nomadseason

April Weather in Interlaken, United States

Last updated: June 24, 2025

In April, the average temperature in Interlaken, United States is a comfortable 13°C (57°F), with a potential range from a crisp 4°C (39°F) to a warm 29°C (85°F). Expect around 32 mm (1.2 in) of precipitation over 4 days, accompanied by an average humidity of 78%.

April Temperature in Interlaken

In April in Interlaken, the average temperature is 13°C (57°F). Maximum temperatures can reach 29°C (85°F), while minimums can drop as low as 4°C (39°F). This variability makes Interlaken an interesting destination for travelers seeking a range of weather experiences during their visit.

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

The chart illustrates April 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, April typically has an average temperature of 13°C (57°F), with highs reaching up to 29°C (85°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec515254565862636465615551
Data source: Temperature data for Interlaken generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Interlaken

In Interlaken in April, the total precipitation amount is 32 mm (1.2 in) over a span of 4 days.

April Precipitation Trends in Interlaken

The chart displays monthly precipitation patterns in Interlaken, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Interlaken, April typically receives around 32 mm (1.2 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1221058832191112224292
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Interlaken

In Interlaken in April, humidity is 78%. With an average temperature of 13°C (57°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities a bit uncomfortable and requiring a light jacket to stay warm while exploring.

April Average Humidity in Interlaken

This chart illustrates the average monthly humidity levels in Interlaken, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Interlaken is approximately 78%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Interlaken

In Interlaken in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Interlaken.

Maximum UV Index Levels in Interlaken for April

The chart shows the monthly maximum UV Index (UVI) for Interlaken in April, 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 April, the maximum UV index in Interlaken typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589111111109753
Data source: Interlaken April 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 April 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 April’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 April’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

Compare Interlaken's Climate with Cities Worldwide