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May Weather in Interlaken, United States

Last updated: June 24, 2025

In May, the average temperature in Interlaken, United States is a comfortable 15°C (59°F). Expect a minimum of 5°C (42°F) and a maximum of 28°C (82°F), making it a versatile month for outdoor activities. With an average precipitation of 19 mm (0.7 in) over just 2 days, there's a slight chance of rain. Don't forget, the average humidity sits at a balmy 71%, adding to the overall experience of the season!

May Temperature in Interlaken

In May in Interlaken, the average temperature is 15°C (59°F). The maximum can reach 28°C (82°F), while the minimum can drop to as low as 5°C (42°F). This pleasant range makes it a great time for outdoor activities and exploring the vibrant local culture.

May Weather in Interlaken: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Interlaken, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Interlaken, May typically has an average temperature of 15°C (59°F), with highs reaching up to 28°C (82°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec515254565862636465615551
Data source: Temperature data for Interlaken generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Interlaken

In Interlaken in May, the precipitation amount is 19 mm (0.7 in) over a span of 2 days.

May Precipitation Trends in Interlaken

The chart displays monthly precipitation patterns in Interlaken, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Interlaken, May typically receives around 19 mm (0.7 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec1221058832191112224292
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Interlaken

In Interlaken in May humidity is 71%. With an average temperature of 15°C (59°F), this humidity feels like a damp embrace, making outdoor activities slightly uncomfortable and encouraging travelers to seek shade or indoor attractions to escape the muggy air.

May Average Humidity in Interlaken

This chart illustrates the average monthly humidity levels in Interlaken, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Interlaken is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Interlaken

In Interlaken in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Interlaken.

Maximum UV Index Levels in Interlaken for May

The chart shows the monthly maximum UV Index (UVI) for Interlaken in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Interlaken typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589111111109753
Data source: Interlaken May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Interlaken Compares to Other Months

Weather in Interlaken varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Interlaken, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Interlaken, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)122 mm (4.8 inches)82%moderate
February Weather11°C (52°F)105 mm (4.1 inches)84%moderate
March Weather12°C (54°F)88 mm (3.5 inches)82%very high
April Weather13°C (57°F)32 mm (1.2 inches)78%very high
May Weather15°C (59°F)19 mm (0.7 inches)71%extreme
June Weather17°C (62°F)1 mm (0.1 inches)64%extreme
July Weather17°C (63°F)1 mm (0.0 inches)58%extreme
August Weather18°C (65°F)1 mm (0.0 inches)54%very high
September Weather18°C (65°F)2 mm (0.1 inches)55%very high
October Weather16°C (62°F)22 mm (0.9 inches)62%high
November Weather13°C (56°F)42 mm (1.7 inches)78%moderate
December Weather10°C (51°F)92 mm (3.6 inches)80%moderate

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