May weather forecast
Interlaken, Switzerland

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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. The city is vibrant with thriving flora and clear skies, making it a favorite for nature enthusiasts. Those visiting Interlaken in May can expect a combination of invigorating sunshine, longer days, and floral bursts.

Temperature

With the onset of May, Interlaken's weather sees a minor temperature rise, transitioning from 6.1°C (43°F) in April to a still chilly 9.2°C (48.6°F). Throughout May, Interlaken records an average temperature of 0.7°C (33.3°F) at night.

Humidity

In Interlaken, the average relative humidity in May is 87%.

Rainfall

In Interlaken, in May, it is raining for 21.9 days, with typically 116mm (4.57") of accumulated precipitation. Throughout the year, there are 192.3 rainfall days, and 935mm (36.81") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Interlaken. During 0.5 snowfall days, in May, Interlaken aggregates 14mm (0.55") of snow. In Interlaken, during the entire year, snow falls for 53.3 days and aggregates up to 968mm (38.11") of snow.

Daylight

In Interlaken, the average length of the day in May is 15h and 2min.
On the first day of May, sunrise is at 06:12 and sunset at 20:38. On the last day of the month, sunrise is at 05:38 and sunset at 21:13 CEST.

Sunshine

In May, the average sunshine is 7.9h.

UV index

In Interlaken, the average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 3 suggests this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Interlaken in May?

May temperatures in Interlaken, Switzerland, vary between a high-temperature of 9.2°C (48.6°F) and a low-temperature of 0.7°C (33.3°F).

What is the average humidity in May in Interlaken?

The average relative humidity in May is 87%.

How many days does it rain in May in Interlaken?

In Interlaken, during May, the rain falls for 21.9 days and regularly aggregates up to 116mm (4.57") of precipitation.

What is the last month it snows in Interlaken?

May is the last month it regularly snows. During 0.5 snowfall days, in May, Interlaken aggregates 14mm (0.55") of snow.

What is the average length of the day in May in Interlaken?

The average day length in May in Interlaken is 15h and 2min.

When is the sunrise / sunset in May in Interlaken?

On the first day of May, sunrise is at 06:12 and sunset at 20:38. On the last day of the month, sunrise is at 05:38 and sunset at 21:13 CEST.

How many hours of sunshine does Interlaken have in May?

The average sunshine duration in May in Interlaken, Switzerland, is 7.9h.

How high is the UV index in May in Interlaken?

In May, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Interlaken, Switzerland

Average temperature in May - Interlaken, Switzerland
  • Average high temperature in May: 9.2°C

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).

  • Average low temperature in May: 0.7°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).

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Average pressure in May
Interlaken, Switzerland

Average pressure in May - Interlaken, Switzerland
  • Average pressure in May: 1015.9mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed in May
Interlaken, Switzerland

Average wind speed in May - Interlaken, Switzerland
  • Average wind speed in May: 6.8km/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).

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Average humidity in May
Interlaken, Switzerland

Average humidity in May - Interlaken, Switzerland
  • Average humidity in May: 87%

The months with the highest relative humidity are February and March (90%).
The months with the lowest relative humidity are July and August (81%).

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Average rainfall in May
Interlaken, Switzerland

Average rainfall in May - Interlaken, Switzerland
  • Average rainfall in May: 116mm

The wettest month (with the highest rainfall) is August (118mm).
The driest months (with the least rainfall) are January and February (50mm).

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Average rainfall days in May
Interlaken, Switzerland

Average rainfall days in May - Interlaken, Switzerland
  • Average rainfall days in May: 21.9 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).

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Average snowfall in May
Interlaken, Switzerland

Average snowfall in May - Interlaken, Switzerland
  • Average snowfall in May: 14mm

The month with the highest snowfall is January (211mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in May
Interlaken, Switzerland

Average snowfall days in May - Interlaken, Switzerland
  • Average snowfall days in May: 0.5 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).

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Average daylight in May /
Average sunshine in May
Interlaken, Switzerland

Average daylight in May / Average sunshine in May - Interlaken, Switzerland
  • Average daylight in May: 15h and 0min

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 May: 7h and 5min

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).

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Average sunshine days in May
Interlaken, Switzerland

Average sunshine days in May - Interlaken, Switzerland
  • Average sunshine days in May: 6.3 days

The month with the most sunshine days is October (15 days).
The month with the least sunshine days is July (5.7 days).

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Average UV index in May
Interlaken, Switzerland

Average UV index in May - Interlaken, Switzerland
  • Average UV index in May: 3

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).

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Average cloud cover in May
Interlaken, Switzerland

Average cloud cover in May - Interlaken, Switzerland
  • Average cloud cover in May: 54

The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is October (Cloud cover 41).

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Average visibility in May
Interlaken, Switzerland

Average visibility in May - Interlaken, Switzerland
  • Average visibility in May: 7km

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).

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Interlaken, Switzerland

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