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April Weather in Saint-Imier, Switzerland

Last updated: August 27, 2025

In April, the average temperature in Saint-Imier, Switzerland hovers around 9°C (48°F), making it a cool time of year. Expect temperatures to range from a chilly -5°C (23°F) to a pleasant 25°C (77°F). With an average precipitation of 73 mm (2.9 in) spread over 12 days, don't forget your umbrella! The air is typically 84% humid, so be prepared for some muggy days.

April Temperature in Saint-Imier

In April in Saint-Imier, the average temperature is 9°C (48°F), with maximums reaching 25°C (77°F) and minimums dropping as low as -5°C (23°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack layers for both warm days and cooler nights.

April Weather in Saint-Imier: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Saint-Imier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Imier, April typically has an average temperature of 9°C (48°F), with highs reaching up to 25°C (77°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec323641485463656457494036
Data source: Temperature data for Saint-Imier 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.

April Precipitation in Saint-Imier

In Saint-Imier in April, the precipitation amount is 73 mm (2.9 in) occurring over a span of 12 days.

April Precipitation Trends in Saint-Imier

The chart displays monthly precipitation patterns in Saint-Imier, 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 Saint-Imier, April typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec11292114731721641581579111294159
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Saint-Imier

In Saint-Imier in April, humidity is 84%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that envelops you, making it essential to dress in layers and stay active, as the moisture in the air can quickly lead to discomfort while traveling.

April Average Humidity in Saint-Imier

This chart illustrates the average monthly humidity levels in Saint-Imier, 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 Saint-Imier is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Saint-Imier

In Saint-Imier in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Saint-Imier, you can refer to this Hourly UV Index in Saint-Imier.

Maximum UV Index Levels in Saint-Imier for April

The chart shows the monthly maximum UV Index (UVI) for Saint-Imier 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 Saint-Imier typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Saint-Imier 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 Saint-Imier Compares to Other Months

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

This table compares monthly weather conditions in Saint-Imier, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)112 mm (4.4 inches)91%low
February Weather2°C (37°F)92 mm (3.6 inches)89%moderate
March Weather5°C (41°F)114 mm (4.5 inches)87%moderate
April Weather9°C (48°F)73 mm (2.9 inches)84%high
May Weather12°C (54°F)172 mm (6.8 inches)80%very high
June Weather17°C (63°F)164 mm (6.5 inches)82%very high
July Weather18°C (65°F)158 mm (6.2 inches)82%very high
August Weather18°C (65°F)157 mm (6.2 inches)77%very high
September Weather14°C (58°F)91 mm (3.6 inches)81%high
October Weather10°C (49°F)112 mm (4.4 inches)89%moderate
November Weather4°C (40°F)94 mm (3.7 inches)89%low
December Weather2°C (36°F)159 mm (6.2 inches)91%low

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