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Contents
- The climate of Interlaken
- The best time to visit Interlaken
- The worst time to visit Interlaken
- Spring weather in Interlaken
- Summer weather in Interlaken
- Autumn weather in Interlaken
- Winter weather in Interlaken
- 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 Interlaken
Interlaken is located within a climatic domain that is classified as Cfb, according to the Köppen climate classification. This climate represents a marine west coast climate that is catalogued by mild, damp conditions with a warm summer. Year-round, Interlaken experiences a climate that is generally mild and damp, insisting a consistent pattern of precipitation, with some variations in temperature and sunlight hours.
Through an all-embracing review of the climatological parameters, it is observed that Interlaken maintains an average minimum temperature from -10°C (14°F) in February to a more pleasant 7.3°C (45.1°F) in both July and August, while the average maximum temperature peaks at 17.1°C (62.8°F) in July from lows reaching -1.8°C (28.8°F) in January. Humidity is typically high throughout the year, cresting at 90% in both February and March and dipping to an 81% low during July and August.
The region marks significant rainfall throughout the year, with its zenith in August at 118mm (4.65") and nadir in January and February at 50mm (1.97"). Snowfall is most prominent from December to March, with February registering the highest snowfall at 211mm (8.31").
Through an all-embracing review of the climatological parameters, it is observed that Interlaken maintains an average minimum temperature from -10°C (14°F) in February to a more pleasant 7.3°C (45.1°F) in both July and August, while the average maximum temperature peaks at 17.1°C (62.8°F) in July from lows reaching -1.8°C (28.8°F) in January. Humidity is typically high throughout the year, cresting at 90% in both February and March and dipping to an 81% low during July and August.
The region marks significant rainfall throughout the year, with its zenith in August at 118mm (4.65") and nadir in January and February at 50mm (1.97"). Snowfall is most prominent from December to March, with February registering the highest snowfall at 211mm (8.31").
The best time to visit Interlaken
Outlining the best time to visit Interlaken largely depends on the desired activities. For outdoor activities, the months from June to September would be the most favorable, boasting temperatures ranging from 9.2°C (48.6°F) to 17°C (62.6°F). Sunshine is substantial during these months, with it topping out at an apotheosis of 9.5 hours per day in July. Rainfall is heaviest during these months as well, yet this is unlikely to hamper outdoor activities given the low number of rainy days, averaging around 21 or 22 days for the period.
The worst time to visit Interlaken
The least favorable time to visit Interlaken would be in the heart of winter, notably from December to February. During these months, temperatures are consistently low, with lows plunging to -10°C (14°F) at worst in February and highs hardly reaching beyond -1.8°C (28.8°F) in January. Snowfall is particularly high during this period, peaking at 211mm (8.31") in February. Consequently, these conditions may prove unfavorable for outdoor activities, asides winter sports.
Spring weather in Interlaken
Spring in Interlaken is defined by a gradation of temperatures from -2.3°C (27.9°F) to 9.2°C (48.6°F) between March and May. The rainfall during these months is reasonably high, ranging from 60mm (2.36") to 116mm (4.57"), with the number of rainy days extending from 15.3 days in March to a peak of 21.9 days in May. Conversely, sunshine hours are generous, particularly in May, with 7.9 hours of sunlight per day.
Summer weather in Interlaken
Summers in Interlaken, spanning June to August, are relatively mild and damp, with temperatures oscillating between 14.4°C (57.9°F) to 17°C (62.6°F). Rainfall spikes during this season, reaching its highest point at 118mm (4.65") in August, but is adequately distributed over an average of 21 to 22 days. Sunlight is abundant during these months, with up to 9.5 hours per day in July, offering ample time for outdoor activities.
Autumn weather in Interlaken
Autumn, between September and November, experiences temperatures ranging from 3.1°C (37.6°F) to 12.7°C (54.9°F). Rainfall declines as this season progresses, falling from 61mm (2.4") in October to 57mm (2.24") in November. Though daylight hours start to decrease, there is a satisfactory amount of sunshine, with an average of 6.2 hours per day in October.
Winter weather in Interlaken
Winters in Interlaken span from December to February, displaying the region's coldest period. Temperatures range from -0.5°C (31.1°F) to -1.8°C (28.8°F), while snowfall is notably high, peaking at 211mm (8.31") in February. Sunshine is significantly less during this time, averaging 4.7 to 4.6 hours per day across December and January. Despite the cold and snowy condition, it offers a beautiful winter landscape, an ideal time for winter sports enthusiasts.
Weather in January
In Interlaken, Switzerland, January is in the heart of winter featuring its coldest temperatures. Notably, the mercury slips to a bitter low of -9.8°C (14.4°F) at night and rarely climbs above -1.8°C (28.8°F) during the day. Weather in January »
Weather in February
Akin to January, February continues to showcase the chilly climes of Interlaken. The temperatures remain quite similar, slightly rising at -1.6°C (29.1°F) as the daytime high and barely moving to -10°C (14°F) at night. Winter sports enthusiasts enjoy the season under snowfall conditions, which are marginally lesser compared to January. Weather in February »
Weather in March
As winter makes way for spring in March, a remarkable shift is observed. Temperatures dramatically rebound from -1.6°C (29.1°F) in February to an average high of 1.8°C (35.2°F), signaling a break from the pronounced chill. Though the snowfall begins to lessen, precipitation increases, resulting in a higher number of rainy days than February. Weather in March »
Weather in April
April is when Interlaken begins to shed its winter coat with the average temperature reaching up to 6.1°C (43°F) during the day, which is a considerable increase from March's 1.8°C (35.2°F). Rainfalls are more frequent implying that spring is setting its roots firmly in the city. Weather in April »
Weather in May
The city of Interlaken fully embraces spring come May, with average high temperature climbing to a mild 9.2°C (48.6°F). This is a significant increase from the comparatively chilly 6.1°C (43°F) in April. Rainfall remains steady but with less cold, the snow finally dissipates completely. Weather in May »
Weather in June
Interlaken ushers in summer in June, and warm temperatures become more frequent. The average maximum temperature reaches 14.4°C (57.9°F), a significant increase from May's 9.2°C (48.6°F) high. This transition also brings a noticeable decrease in humidity, making the days bright and comfortable. Weather in June »
Weather in July
July is often the warmest month in Interlaken, with an average high temperature of 17.1°C (62.8°F). There is no snowfall to speak of, much in contrast to the wintry months. Pleasant weather pervades, providing the perfect backdrop for tourists to explore the city’s various outdoor attractions. Weather in July »
Weather in August
In August, Interlaken continues to experience summer with temperatures almost on a par with July, the highs hovering around 17°C (62.6°F). It's the month when nature is in full bloom, offering magnificent sights. August is a popular time for visitors seeking to enjoy pleasant weather and partake in summer activities. Weather in August »
Weather in September
As September rolls around, Interlaken begins its transition from summer towards autumn. Despite a dip in temperature to 12.7°C (54.9°F) from August's 17°C (62.6°F), the weather remains generally pleasant. The decrease in daylight hours and slight increase in rainfall signal the onset of fall. Weather in September »
Weather in October
With fall in full swing in October, cooler temperatures become the norm in Interlaken. The days become shorter and average high temperature descends to a cool 8.4°C (47.1°F), a notable drop from September's 12.7°C (54.9°F). Weather in October »
Weather in November
November sees a distinctive shift towards winter in Interlaken. The average temperature further descends, reaching a maximum high of 3.1°C (37.6°F), a major decrease from the 8.4°C (47.1°F) in October. The city begins preparing for upcoming snowfall, and there is a perceptible chill in the air. Weather in November »
Weather in December
December in Interlaken means the return of winter. The cold is now fully entrenched, with average high temperatures hovering around -0.5°C (31.1°F). Snow begins to dust the landscape, slowly shrouding the city in a picturesque winter wonderland. Weather in December »
Updated: Feb 3, 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 month is the coldest in Interlaken?
January is the month when Interlaken experiences its coldest temperatures, averaging a high of -1.8°C (28.8°F) and a low of -9.8°C (14.4°F).
What is the driest month in Interlaken?
January and February are months with the least rain in Interlaken, Switzerland, when the rain falls for 10.5 days and typically aggregates up to 50mm (1.97") of rain.
How many days does it rain in Interlaken?
Throughout the year, there are 192.3 rainfall days, and 935mm (36.81") of precipitation is accumulated.
When does it snow in Interlaken?
Months with snowfall in Interlaken, Switzerland, are January through May, October through December.
What is the snowiest month in Interlaken?
January is the month with the most snowfall in Interlaken. Snow falls for 12.8 days and accumulates 211mm (8.31") of snow.
How much does it snow in Interlaken?
Throughout the year, in Interlaken, there are 53.3 snowfall days, and 968mm (38.11") of snow is accumulated.
What are the months with the least sunshine in Interlaken?
January and February, with an average of 4.6h of sunshine, are months with the least sunshine.
What are the months with the lowest UV index in Interlaken?
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1.
What are the most humid months in Interlaken?
The months with the highest humidity in Interlaken, Switzerland, are February and March, with an average relative humidity of 90%.
When it does not snow in Interlaken?
June through September are months without snowfall.
When are the longest days in Interlaken?
With an average of 15h and 48min of daylight, June has the longest days of the year.
What is the month with the highest UV index in Interlaken?
June and July, with an average maximum UV index of 4, are months with the highest UV index.
What month is the hottest in Interlaken?
Interlaken's warmest weather arrives in July, when temperatures average a high of 17.1°C (62.8°F) and a low of 7.3°C (45.1°F).
What are the least humid months in Interlaken?
July and August, with an average relative humidity of 81%, are the least humid months in Interlaken, Switzerland.
What month has the most sunshine in Interlaken?
With an average of 9.5h of sunshine, July has the most sunshine of the year.
What is the wettest month in Interlaken?
The month with the most rainfall in Interlaken, Switzerland, is August, when the rain falls for 20.5 days and typically aggregates up to 118mm (4.65") of precipitation.
When is Daylight Saving Time (DST) in Interlaken?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Interlaken, Switzerland, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the month with the shortest days in Interlaken?
The month with the shortest days in Interlaken is December, with an average of 8h and 36min of daylight.
Average temperature
Interlaken, Switzerland
The warmest month (with the highest average high temperature) is July (17.1°C).
The month with the lowest average high temperature is January (-1.8°C).
The months with the highest average low temperature are July and August (7.3°C).
The coldest month (with the lowest average low temperature) is February (-10°C).
Average pressure
Interlaken, Switzerland
- Average pressure in January:
1019.4mbar - Average pressure in February:
1017.5mbar - Average pressure in March:
1016.9mbar - Average pressure in April:
1015.4mbar - Average pressure in May:
1015.9mbar - Average pressure in June:
1016.3mbar
- Average pressure in July:
1016.9mbar - Average pressure in August:
1017.7mbar - Average pressure in September:
1018.4mbar - Average pressure in October:
1018.5mbar - Average pressure in November:
1015.9mbar - Average pressure in December:
1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed
Interlaken, Switzerland
- Average wind speed in January:
7.9km/h - Average wind speed in February:
7.9km/h - Average wind speed in March:
7.9km/h - Average wind speed in April:
7km/h - Average wind speed in May:
6.8km/h - Average wind speed in June:
6.5km/h
- Average wind speed in July:
6.2km/h - Average wind speed in August:
5.8km/h - Average wind speed in September:
6.1km/h - Average wind speed in October:
6.9km/h - Average wind speed in November:
7.7km/h - Average wind speed in December:
8.3km/h
The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).
Average humidity
Interlaken, Switzerland
The months with the highest relative humidity are February and March (90%).
The months with the lowest relative humidity are July and August (81%).
Average rainfall
Interlaken, Switzerland
- Average rainfall in January:
50mm - Average rainfall in February:
50mm - Average rainfall in March:
60mm - Average rainfall in April:
71mm - Average rainfall in May:
116mm - Average rainfall in June:
115mm
The wettest month (with the highest rainfall) is August (118mm).
The driest months (with the least rainfall) are January and February (50mm).
Average rainfall days
Interlaken, Switzerland
- Average rainfall days in January:
10.5 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
15.3 days - Average rainfall days in April:
18.8 days - Average rainfall days in May:
21.9 days - Average rainfall days in June:
21 days
- Average rainfall days in July:
22.5 days - Average rainfall days in August:
20.5 days - Average rainfall days in September:
16.8 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
12.4 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is February (8.8 days).
Average snowfall
Interlaken, Switzerland
- Average snowfall in January:
211mm - Average snowfall in February:
207mm - Average snowfall in March:
167mm - Average snowfall in April:
87mm - Average snowfall in May:
14mm - Average snowfall in June:
0mm
The month with the highest snowfall is January (211mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Interlaken, Switzerland
- Average snowfall days in January:
12.8 days - Average snowfall days in February:
12.3 days - Average snowfall days in March:
9.3 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.5 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:
1.1 days - Average snowfall days in November:
5.5 days - Average snowfall days in December:
8.5 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Interlaken, Switzerland
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 5min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 5min - Average sunshine in May:
7h and 5min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
9h and 3min - Average sunshine in August:
9h and 2min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days
Interlaken, Switzerland
- Average sunshine days in January:
12.1 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
8.6 days - Average sunshine days in April:
7.4 days - Average sunshine days in May:
6.3 days - Average sunshine days in June:
6.4 days
- Average sunshine days in July:
5.7 days - Average sunshine days in August:
7 days - Average sunshine days in September:
11 days - Average sunshine days in October:
15 days - Average sunshine days in November:
12.8 days - Average sunshine days in December:
13.9 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is July (5.7 days).
Average UV index
Interlaken, Switzerland
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Interlaken, Switzerland
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is October (Cloud cover 41).
Average visibility
Interlaken, Switzerland
The months with the highest visibility are July, August, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June and September (7km).
