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Contents
- The climate of Markham
- The best time to visit Markham
- The worst time to visit Markham
- Spring weather in Markham
- Summer weather in Markham
- Autumn weather in Markham
- Winter weather in Markham
- 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 Markham
Markham, nestled in Canada, falls under the category of a Humid Continental climate according to the Köppen climate classification. The climate here is distinguished by no dry season and warm summers. Weather throughout the year remains distinct with considerable variations in temperature, precipitation, and daylight hours.
The annual temperature swings dramatically from -8.8°C (16.2°F) in winter to peaks as high as 24.8°C (76.6°F) in the warmer months. Rainfall in Markham is quite evenly distributed throughout the year, with monthly averages ranging from 30mm (1.18") to a maximum of 78mm (3.07"). Most precipitation falls in July, while the driest months are typically February and November. The city also experiences snowfall, with the heaviest accumulations occurring between December and February, averaging about 113mm (4.45") per month.
Markham experiences a high level of humidity, averaging around 78% annually. It peaks from January to February, at 86%, and lowers to about 75% in April and May. The city experiences a moderate amount of sunshine, with the highest number of sunlight hours in July and the least in December. Despite high humidity levels, the city generally maintains good visibility at 9km (5.6mi) all year round. The cloud cover in Markham is above average, particularly from November to January when the cloud percentage soars to over 65%.
The annual temperature swings dramatically from -8.8°C (16.2°F) in winter to peaks as high as 24.8°C (76.6°F) in the warmer months. Rainfall in Markham is quite evenly distributed throughout the year, with monthly averages ranging from 30mm (1.18") to a maximum of 78mm (3.07"). Most precipitation falls in July, while the driest months are typically February and November. The city also experiences snowfall, with the heaviest accumulations occurring between December and February, averaging about 113mm (4.45") per month.
Markham experiences a high level of humidity, averaging around 78% annually. It peaks from January to February, at 86%, and lowers to about 75% in April and May. The city experiences a moderate amount of sunshine, with the highest number of sunlight hours in July and the least in December. Despite high humidity levels, the city generally maintains good visibility at 9km (5.6mi) all year round. The cloud cover in Markham is above average, particularly from November to January when the cloud percentage soars to over 65%.
The best time to visit Markham
Taking into account the weather conditions throughout the year, the best time to visit Markham would be between May and September. During this period, the city experiences its warmest temperatures, ranging from 16.4°C (61.5°F) to 24.8°C (76.6°F). These months also offer the longest daylight hours, which peaks at 15.4 hours in June. Despite being the wettest months, with rainfall ranging from 65mm (2.56") to 78mm (3.07"), the pleasant temperatures and longer daylight hours make this period ideal for outdoor activities.
The worst time to visit Markham
The period from December to February can be considered the least favorable time to visit Markham owing to the severe cold and heavy snowfall. The temperatures during these months dip as low as -8.8°C (16.2°F) to 0.5°C (32.9°F). Additionally, daylight hours are at their shortest, averaging only about 9.4 to 10.5 hours. The heavy snowfall, which can reach up to 118mm (4.65") in December, also restricts outdoor activities.
Spring weather in Markham
Spring in Markham is characterized by a gradual warming of temperatures and an increase in rain. From March to May, the city experiences average high temperatures ranging from 2.8°C (37°F) to 16.4°C (61.5°F). Rainfall averages increase from 36mm (1.42") in March to 65mm (2.56") in May. The daylight hours also see a significant increase during this time, with May experiencing approximately 14.8 hours of daylight.
Summer weather in Markham
The summer months, from June to August, offer the most comfortable weather conditions in Markham. High temperatures during these months range from 21.1°C (70°F) to 24.8°C (76.6°F) and low temperatures from 12.7°C (54.9°F) to 16.6°C (61.9°F). Even though these are also the wettest months, with rainfall between 67mm (2.64") and 78mm (3.07"), the ample sunlight hours averaging around 15 hours with UV indices of 5 to 6, allow for a range of outdoor activities.
Autumn weather in Markham
The autumn season in Markham, from September to November, witnesses a gradual decrease in temperature and daylight hours. High temperatures fall from 20.6°C (69.1°F) in September to 6.1°C (43°F) in November. Despite this, rainfall remains quite steady, with averages from 49mm (1.93") to 68mm (2.68"). Daylight hours decrease significantly during this period, diminishing from 12.5 hours in September to 9.7 hours by November.
Winter weather in Markham
Winters in Markham, spanning December to February, are characterized by low temperatures, snowfall, and limited daylight. High temperatures plummet to below freezing, ranging from -3.2°C (26.2°F) to 0.5°C (32.9°F), while low temperatures fall between -8.8°C (16.2°F) and -4.1°C (24.6°F). Snowfall is highest during these months, averaging between 81mm (3.19") and 118mm (4.65"). Daylight hours are the shortest of the year, with December witnessing only 9 hours of daylight.
Weather in January
Markham experiences a fairly cold start to the new year, with January being characterized by frigid temperatures, substantial snowfall, and high humidity. In comparison to the following month, January’s temperatures are similar and the volume of snow is more significant. Weather in January »
Weather in February
February continues the trend of cold weather witnessed in the preceding month. While there is still a considerable amount of snowfall, the temperatures begin to slightly warm up with the end of the winter drawing near. Average snowfall sees a decline, with 89mm (3.5") precipitation spread over an average of 11.4 snowfall days. Weather in February »
Weather in March
In March, Markham starts to see indications of spring as temperatures begin to rise and snowfall decreases. The rise in temperature happens gradually, not enough to bring about a major change from the winter months but certainly a respite from the colder days of January and February. Weather in March »
Weather in April
April is a distinct month in Markham's annual weather cycle. The city starts to see warmer temperatures and longer daylight hours, presenting a sharp contrast to the frigid, shorter days of winter. Temperatures are on a noticeable rise with minimum values up to 2.1°C (35.8°F). Weather in April »
Weather in May
May in Markham brings further warmth, longer days and spring in full bloom. Daylight hours continue to increase making the days much longer than the winter months. It's a pleasant time of the year and is characterized by moderate temperatures. Weather in May »
Weather in June
June signifies the beginning of summer in Markham, a season noted for its warmth and extended daylight hours. When compared to May, both temperature and humidity ascend further, evolving June into an unmistakably sunny period. With an average maximum temperature of 21.1°C (70°F), June brings the warmest days so far. Weather in June »
Weather in July
July brings the hottest days of the year to Markham, thanks to its peak summer temperatures. This also results in extended daylight hours facilitating various outdoor activities. However, the city faces its highest rainfall during this period with an average of 78mm (3.07"), but temperature peaks at 24.8°C (76.6°F) keeps the weather warm. Weather in July »
Weather in August
The weather in August offers no respite from the summer temperatures of July, continuing the trend of warm days. However, there's a slight fall in the maximum temperatures compared to July. The city experiences an average rainfall of 75mm (2.95"), a little less than that of July. Weather in August »
Weather in September
September symbolizes the end of summer and the initial hints of the fall season. The weather is beginning to cool down and the daylight hours start to decrease. A significant fall in the maximum temperature to 20.6°C (69.1°F) and a decrease in average rainfall to 49mm (1.93") strongly suggest this transition. Weather in September »
Weather in October
October in Markham witnesses a notable shift in weather as autumn truly sets in with temperatures continuing their downward trend. From September’s mild warmth, October brings a crisper chill. With the temperatures now dipping further to 13.2°C (55.8°F), it becomes more noticeable that the year is heading towards its colder months. Weather in October »
Weather in November
November marks the beginning of winter season in Markham with days becoming considerably colder. It's a continuation of the October’s decline in temperatures, and drops even further. A considerable increase in snowfall from 5mm (0.2") to 55mm (2.17") gives an early indication of the impending winter. Weather in November »
Weather in December
December is one of the coldest months in Markham, marking the end of the year with freezing temperatures. Following November’s trend, there's another decrease in temperature, and snowfall increases as winter begins in earnest. 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 is the coldest month in Markham?
Markham witnesses the coldest weather in January, with temperatures averaging a high of -3.2°C (26.2°F) and a low of -8.8°C (16.2°F).
What is the most humid month in Markham?
The months with the highest humidity in Markham, Canada, are January and February, with an average relative humidity of 86%.
How many days does it rain in Markham?
In Markham, during the entire year, the rain falls for 157.1 days and collects up to 653mm (25.71") of precipitation.
When does it snow in Markham?
Months with snowfall are January through May, October through December.
What is the snowiest month in Markham?
The month with the most snowfall in Markham, Canada, is January, when snow falls for 12.5 days and typically aggregates up to 118mm (4.65") of snow.
How much does it snow in Markham?
In Markham, Canada, during the entire year, snow falls for 51.3 days and aggregates up to 415mm (16.34") of snow.
What is the month with the least sunshine in Markham?
With an average of 3h of sunshine, January has the least sunshine of the year in Markham, Canada.
What are the months with the lowest UV index in Markham?
The months with the lowest UV index in Markham are January and December, with an average maximum UV index of 1.
What is the driest month in Markham?
February is the month with the least rainfall in Markham, Canada. Rain falls for 5.9 days and accumulates 30mm (1.18") of precipitation.
When is Daylight Saving Time (DST) in Markham?
On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends on Sunday, 03. November 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in Markham?
With an average relative humidity of 75%, April is the least humid month in Markham.
When it does not snow in Markham?
In Markham, Canada, snow does not fall in June through September.
When are the longest days in Markham?
The month with the longest days in Markham, Canada, is June, with an average of 15h and 24min of daylight.
What are the warmest months in Markham?
Markham's temperature records reveal July as the warmest month, marked by average highs of 24.8°C (76.6°F) and lows of 16.6°C (61.9°F).
What is the wettest month in Markham?
The month with the most rainfall is July, when the rain falls for 18.2 days and typically aggregates up to 78mm (3.07") of precipitation.
What month has the most sunshine in Markham?
The month with the most sunshine in Markham is July, with an average of 10.7h of sunshine.
When is the highest UV index in Markham?
July is the month with the highest UV index, with an average maximum UV index of 6.
What is the month with the shortest days in Markham?
With an average of 9h and 0min of daylight, December has the shortest days of the year.
Average temperature
Markham, Canada
The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-3.2°C).
The months with the highest average low temperature are July and August (16.6°C).
The coldest month (with the lowest average low temperature) is January (-8.8°C).
Average pressure
Markham, Canada
- Average pressure in January:
1016.9mbar - Average pressure in February:
1016.9mbar - Average pressure in March:
1018.3mbar - Average pressure in April:
1014.6mbar - Average pressure in May:
1015.3mbar - Average pressure in June:
1013mbar
- Average pressure in July:
1013.8mbar - Average pressure in August:
1014.4mbar - Average pressure in September:
1017mbar - Average pressure in October:
1015.4mbar - Average pressure in November:
1018.1mbar - Average pressure in December:
1017.3mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).
Average wind speed
Markham, Canada
- Average wind speed in January:
17.5km/h - Average wind speed in February:
17.2km/h - Average wind speed in March:
16.3km/h - Average wind speed in April:
16.3km/h - Average wind speed in May:
12.6km/h - Average wind speed in June:
11.5km/h
- Average wind speed in July:
10.8km/h - Average wind speed in August:
11.3km/h - Average wind speed in September:
12.3km/h - Average wind speed in October:
15.3km/h - Average wind speed in November:
16.1km/h - Average wind speed in December:
16.6km/h
The windiest month (with the highest average wind speed) is January (17.5km/h).
The calmest month (with the lowest average wind speed) is July (10.8km/h).
Average humidity
Markham, Canada
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Markham, Canada
The wettest month (with the highest rainfall) is July (78mm).
The driest month (with the least rainfall) is February (30mm).
Average rainfall days
Markham, Canada
- Average rainfall days in January:
6 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
10.4 days - Average rainfall days in April:
13.5 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
18.2 days - Average rainfall days in August:
18.3 days - Average rainfall days in September:
15 days - Average rainfall days in October:
15.9 days - Average rainfall days in November:
11.9 days - Average rainfall days in December:
8.6 days
The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is February (5.9 days).
Average snowfall
Markham, Canada
The month with the highest snowfall is January (118mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Markham, Canada
- Average snowfall days in January:
12.5 days - Average snowfall days in February:
11.4 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
2.6 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
5.5 days - Average snowfall days in December:
11.2 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Markham, Canada
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 1min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
3h and 0min - Average sunshine in February:
3h and 1min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 2min - Average sunshine in October:
4h and 4min - Average sunshine in November:
4h and 3min - Average sunshine in December:
3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days
Markham, Canada
- Average sunshine days in January:
13.3 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
14.9 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
9 days - Average sunshine days in September:
12.8 days - Average sunshine days in October:
12.7 days - Average sunshine days in November:
13.7 days - Average sunshine days in December:
13.4 days
The month with the most sunshine days is March (14.9 days).
The month with the least sunshine days is August (9 days).
Average UV index
Markham, Canada
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Markham, Canada
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility
Markham, Canada
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
