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Contents
- The climate of Jasper
- The best time to visit Jasper
- The worst time to visit Jasper
- Spring weather in Jasper
- Summer weather in Jasper
- Autumn weather in Jasper
- Winter weather in Jasper
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of Jasper
Jasper, Canada, finds its home in the Dfc Köppen climate zone, characterized by its harsh winters, lack of dry season, and cool summers. This subarctic climate results from its geographical location.
Throughout the year, the weather in Jasper presents a clear pattern of changes. In terms of temperature, the peaks occur between June to August, with an average high ranging from 12.9°C (55.2°F) to 17.3°C (63.1°F) and lows between 3.1°C (37.6°F) to 6.1°C (43°F). On the other hand, the chilliest months happen between December to February, witnessing average highs from -8.2°C (17.2°F) to -6.7°C (19.9°F) and lows dropping from -16.6°C (2.1°F) to -14.6°C (5.7°F).
Humidity in Jasper remains relatively consistent annually, with the highest percentages falling into the 90s between December to February and November. It is slightly lower during the summer months, registering between 64% to 70% from June to August. The town experiences noticeable amounts of rainfall from April to November, with measurements fluctuating between 40mm (1.57") to 83mm (3.27"). The most abundant rain occurs in June, aggregating to a total of 83mm (3.27").
Snow, a prominent feature of Jasper's weather, is common from October to March, with the heaviest snowfall seen in November and January, accumulating to 268mm (10.55") and 261mm (10.28"), respectively. The winter months also boast the maximum number of sunlight hours, with December featuring a higher value of 16.8 hours. Recording an impressive number of sunny days during these months, Jasper experiences more than 10 sunny days monthly from August to November.
Throughout the year, the weather in Jasper presents a clear pattern of changes. In terms of temperature, the peaks occur between June to August, with an average high ranging from 12.9°C (55.2°F) to 17.3°C (63.1°F) and lows between 3.1°C (37.6°F) to 6.1°C (43°F). On the other hand, the chilliest months happen between December to February, witnessing average highs from -8.2°C (17.2°F) to -6.7°C (19.9°F) and lows dropping from -16.6°C (2.1°F) to -14.6°C (5.7°F).
Humidity in Jasper remains relatively consistent annually, with the highest percentages falling into the 90s between December to February and November. It is slightly lower during the summer months, registering between 64% to 70% from June to August. The town experiences noticeable amounts of rainfall from April to November, with measurements fluctuating between 40mm (1.57") to 83mm (3.27"). The most abundant rain occurs in June, aggregating to a total of 83mm (3.27").
Snow, a prominent feature of Jasper's weather, is common from October to March, with the heaviest snowfall seen in November and January, accumulating to 268mm (10.55") and 261mm (10.28"), respectively. The winter months also boast the maximum number of sunlight hours, with December featuring a higher value of 16.8 hours. Recording an impressive number of sunny days during these months, Jasper experiences more than 10 sunny days monthly from August to November.
The best time to visit Jasper
The most favorable time to visit Jasper falls between June and August. During this period, temperatures provide comfortable warmth, averaging between 12.9°C (55.2°F) to 17.3°C (63.1°F) during the day, and cooling down from 3.1°C (37.6°F) to 6.1°C (43°F) at night. The humidity levels are at their lowest, making the weather pleasant for outdoor activities. Combined with the longer daylight hours, from 14.7 hours to 16.8 hours, and greater visibility stretching up to 9km (5.6mi), it presents an opportunity to soak in the beauty of Jasper.
The worst time to visit Jasper
March and from September to November might be the most challenging periods to visit Jasper. During those months, rainfall ranges from 49mm (1.93") to 60mm (2.36") while temperature highs fluctuate between -2.8°C (27°F) to 11.3°C (52.3°F). The cooler conditions combined with higher precipitation levels could curtail most outdoor activities. Moreover, the snowfall in October and November, covering the ground with up to 158mm (6.22") and 268mm (10.55"), respectively, could disrupt travel plans.
Spring weather in Jasper
Spring marks the transition from subfreezing temperatures to mild warmth. From March to May, daytime temperatures elevate from -2.8°C (27°F) to 9.2°C (48.6°F), and night temperatures rise from -12.4°C (9.7°F) to -0.9°C (30.4°F). Increased precipitation level is observed ranging from 40mm (1.57") to 60mm (2.36"). The duration of sunlight also incrementally increases from 11.9 hours to 15.8 hours.
Summer weather in Jasper
Summers in Jasper are relatively cooler with average highs between 12.9°C (55.2°F) to 17.3°C (63.1°F) and lows ranging from 3.1°C (37.6°F) to 6.1°C (43°F). The summer days are long, providing between 14.7 hours to 16.8 hours of daylight, with the sun shining for up to 11.9 hours. This period also witnesses the highest rainfall of the year, peaking at 83mm (3.27") in June.
Autumn weather in Jasper
Autumn in Jasper is characterized by declining temperatures and increased rainfall. From September to November, temperature highs fluctuate between 3.4°C (38.1°F) to 11.3°C (52.3°F) and lows from -3.8°C (25.2°F) to 2.1°C (35.8°F). Rainfall is consistent during these months ranging from 41mm (1.61") to 43mm (1.69"), and daylight hours decrease from 12.6 to 8.7 hours.
Winter weather in Jasper
Winters in Jasper are severe with temperature highs averaging between -8.2°C (17.2°F) to -4.2°C (24.4°F) and lows plummeting from -15.5°C (4.1°F) to -10.9°C (12.4°F). Heavy snowfall is common in these months with impressive amounts between 223mm (8.78") to 268mm (10.55"). The winter days are short, with daylight lasting only from 7.7 hours to 8.3 hours. Despite harsh conditions, winters in Jasper offer charming views of pristine snow-covered landscapes.
Weather in January
Jasper, Canada, greets the New Year with bitterly cold temperatures, the mercury plunging to average lows of -14.6°C (5.7°F). This weather pattern indicates the respite of another winter month is absent, with the everyday life of Jasperians dominated by snowfall and short daylight hours. Weather in January »
Weather in February
Heading into February, Jasper shows slight amelioration in weather conditions compared to January. The average snowfall decreases from 261mm (10.28") in January to 228mm (8.98"), however, the temperatures remain quite severe, reaching record lows of -16.6°C (2.1°F). Weather in February »
Weather in March
As Jasper transitions from winter to spring in March, there's a noticeable reduction in cold, yet weather conditions remain frosty with an average low of -12.4°C (9.7°F). The vernal equinox in March brings longer daylight hours, starting to thaw the snow-laden cityscape. Weather in March »
Weather in April
April marks a noticeable shift in Jasper's weather. The temperatures start to climb, providing relief from the long winter, and snowfall dwindles to an average of 223mm (8.78"). With each passing day, the sun shines more frequently, driving the last bits of winter chill away from Jasper. Weather in April »
Weather in May
May in Jasper welcomes the steady arrival of the much-anticipated spring, a season of renewal and rebirth. Comparatively, longer daylight hours and an increase in sunshine nurture growth and bring nature back to life. However, rainfall starts to become more frequent, measuring an average of 60mm (2.36"). Weather in May »
Weather in June
June in Jasper sees an exciting surge in temperatures, with the average high reaching a comfortable 12.9°C (55.2°F). The month witnesses the longest daylight hours of the year, an inviting prospect for outdoor enthusiasts. The arrival of summer ushers in a season of lake activities and mountain hikes, exposing the remedying effect of authentic nature. Weather in June »
Weather in July
July stands out as the warmest month in Jasper with average daily high temperatures warming up to 17.3°C (63.1°F). The summer season reaches its peak, providing the perfect weather for exploring the great outdoors, swimming in the lake, or simply savouring the scenic views. Weather in July »
Weather in August
Jasper’s weather sustains the pleasurable temperatures from July into August, reaching similar high averages around 17.2°C (63°F). The city basking under lengthy daylight hours serves to paint an inviting picture of the outdoors. Weather in August »
Weather in September
September commences a transition period in Jasper, with the first signs of autumn colouring the city's skyline. Comparatively, a marked decrease in temperature from 17.2°C (63°F) in August to 11.3°C (52.3°F) is detectable, signaling the twilight of summer. Weather in September »
Weather in October
October's weather pattern in Jasper is characterized by the city's gradual shift towards winter conditions. Temperatures continue to drop, complementing the changing fall foliage scattered across the city. The earlier snowfall in September begins to linger, gradually covering Jasper in a white blanket. Weather in October »
Weather in November
With average temperatures dropping to -4.2°C (24.4°F), November marks the entrance of Jasper's long winter season. The city’s weather becomes consistently colder, with days growing shorter and nights notably longer. Jasper, at this time, is enveloped in a blanket of snow, laying the foundation for various winter-related activities, mainly skiing and snowboarding. Weather in November »
Weather in December
Closing out the year, December's weather in Jasper remains definitively cold, with temperatures reaching average lows of -15.5°C (4.1°F). The city is an epitome of a white Christmas with 223mm (8.78") of snowfall decorating the cityscape. Weather in December »
Updated: Feb 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the most humid months in Jasper?
January, February and December, with an average relative humidity of 92%, are most humid months.
How much does it rain in Jasper?
Throughout the year, in Jasper, Canada, there are 181.8 rainfall days, and 570mm (22.44") of precipitation is accumulated.
When does it snow in Jasper?
Months with snowfall in Jasper are January through May, September through December.
How much does it snow in Jasper?
In Jasper, Canada, during the entire year, snow falls for 135.5 days and aggregates up to 1709mm (67.28") of snow.
What is the month with the least sunshine in Jasper?
The month with the least sunshine in Jasper is January, with an average of 4h of sunshine.
What is the month with the lowest UV index in Jasper?
January, March and November, with an average maximum UV index of 1, are months with the lowest UV index.
When does it snow the most in Jasper?
March is the month with the most snowfall in Jasper, Canada. Snow falls for 22.7 days and accumulates 274mm (10.79") of snow.
When is Daylight Saving Time (DST) in Jasper?
On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends on Sunday, 03. November 2024, at 2:00 am, and the time zone reverts from MDT to MST.
What is the rainiest month in Jasper?
June is the month with the most rainfall. Rain falls for 21.4 days and accumulates 83mm (3.27") of precipitation.
When it does not snow in Jasper?
In Jasper, snow does not fall in June through August.
When are the longest days in Jasper?
June has the longest days of the year in Jasper, Canada, with an average of 16h and 48min of daylight.
What is the month with the most sunshine in Jasper?
June and July, with an average of 11.9h of sunshine, are months with the most sunshine in Jasper.
What time of the year is the hottest in Jasper?
July stands out as Jasper's warmest month, with an average high-temperature of 17.3°C (63.1°F) and a low-temperature of 6.1°C (43°F).
When is the highest UV index in Jasper?
The month with the highest UV index in Jasper is July, with an average maximum UV index of 4.
What is the least humid month in Jasper?
The least humid month is August, with an average relative humidity of 64%.
What month is the coldest in Jasper?
December, marked by an average high-temperature of -8.2°C (17.2°F) and a low-temperature of -15.5°C (4.1°F), is the coldest month in Jasper.
What is the driest month in Jasper?
The month with the least rainfall is December, when the rain falls for 10.2 days and typically collects 27mm (1.06") of precipitation.
What is the month with the shortest days in Jasper?
December has the shortest days of the year, with an average of 7h and 42min of daylight.
Average temperature
Jasper, Canada
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is December (-8.2°C).
- Average low temperature in January:
-14.6°C - Average low temperature in February:
-16.6°C - Average low temperature in March:
-12.4°C - Average low temperature in April:
-7.6°C - Average low temperature in May:
-0.9°C - Average low temperature in June:
3.1°C
The month with the highest average low temperature is July (6.1°C).
The coldest month (with the lowest average low temperature) is February (-16.6°C).
Average pressure
Jasper, Canada
- Average pressure in January:
1019mbar - Average pressure in February:
1019.1mbar - Average pressure in March:
1015.4mbar - Average pressure in April:
1014.7mbar - Average pressure in May:
1014.1mbar - Average pressure in June:
1012.2mbar
- Average pressure in July:
1014.2mbar - Average pressure in August:
1013.9mbar - Average pressure in September:
1014.5mbar - Average pressure in October:
1015.8mbar - Average pressure in November:
1016.5mbar - Average pressure in December:
1019.2mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is June (1012.2mbar).
Average wind speed
Jasper, Canada
- Average wind speed in January:
10.2km/h - Average wind speed in February:
9.4km/h - Average wind speed in March:
9.6km/h - Average wind speed in April:
8.8km/h - Average wind speed in May:
7.6km/h - Average wind speed in June:
8.2km/h
- Average wind speed in July:
7.8km/h - Average wind speed in August:
7.9km/h - Average wind speed in September:
8.8km/h - Average wind speed in October:
9.5km/h - Average wind speed in November:
10.4km/h - Average wind speed in December:
9.7km/h
The windiest month (with the highest average wind speed) is November (10.4km/h).
The calmest month (with the lowest average wind speed) is May (7.6km/h).
Average humidity
Jasper, Canada
The months with the highest relative humidity are January, February and December (92%).
The month with the lowest relative humidity is August (64%).
Average rainfall
Jasper, Canada
The wettest month (with the highest rainfall) is June (83mm).
The driest month (with the least rainfall) is December (27mm).
Average rainfall days
Jasper, Canada
- Average rainfall days in January:
9.6 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
14.7 days - Average rainfall days in April:
17.5 days - Average rainfall days in May:
19.8 days - Average rainfall days in June:
21.4 days
- Average rainfall days in July:
19.6 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
15.9 days - Average rainfall days in October:
15.6 days - Average rainfall days in November:
11.9 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is June (21.4 days).
The month with the least rainy days is February (9.3 days).
Average snowfall
Jasper, Canada
- Average snowfall in January:
261mm - Average snowfall in February:
228mm - Average snowfall in March:
274mm - Average snowfall in April:
223mm - Average snowfall in May:
48mm - Average snowfall in June:
0mm
The month with the highest snowfall is March (274mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days
Jasper, Canada
- Average snowfall days in January:
21 days - Average snowfall days in February:
20.3 days - Average snowfall days in March:
22.7 days - Average snowfall days in April:
16.7 days - Average snowfall days in May:
3.9 days - Average snowfall days in June:
0.1 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
1.5 days - Average snowfall days in October:
10.7 days - Average snowfall days in November:
19 days - Average snowfall days in December:
19.6 days
The month with the highest number of snowfall days is March (22.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Jasper, Canada
- Average daylight in January:
8h and 2min - Average daylight in February:
9h and 5min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 0min - Average daylight in May:
15h and 5min - Average daylight in June:
16h and 5min
- Average daylight in July:
16h and 2min - Average daylight in August:
14h and 4min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
8h and 4min - Average daylight in December:
7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
5h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 5min - Average sunshine in May:
10h and 1min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
10h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 2min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Jasper, Canada
- Average sunshine days in January:
9.8 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
5.3 days - Average sunshine days in April:
4.4 days - Average sunshine days in May:
7.3 days - Average sunshine days in June:
5.5 days
- Average sunshine days in July:
7.8 days - Average sunshine days in August:
10.4 days - Average sunshine days in September:
12 days - Average sunshine days in October:
10.7 days - Average sunshine days in November:
8.7 days - Average sunshine days in December:
11.5 days
The month with the most sunshine days is September (12 days).
The month with the least sunshine days is April (4.4 days).
Average UV index
Jasper, Canada
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, March and November (UV index 1).
Average cloud cover
Jasper, Canada
The months with the most cloud cover are January and March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Jasper, Canada
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January, February and March (6km).
