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April Weather in Pieterlen, Switzerland

Last updated: August 27, 2025

In April, the average temperature in Pieterlen, Switzerland hovers around 9°C (49°F). However, don’t be surprised by the extremes: temperatures can dip to a chilling -5°C (23°F) or soar up to a warm 25°C (77°F). Expect 67 mm (2.6 in) of precipitation spread across approximately 11 days and a notable average humidity of 84%.

April Temperature in Pieterlen

In April in Pieterlen, the average temperature is 9°C (49°F). The maximum can reach 25°C (77°F) and the minimum can be as low as -5°C (23°F). Pack for a range of temperatures to ensure a comfortable and enjoyable travel experience.

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

The chart illustrates April temperature patterns in Pieterlen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pieterlen, April typically has an average temperature of 9°C (49°F), with highs reaching up to 25°C (77°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec333742485564666658504036
Data source: Temperature data for Pieterlen 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 Pieterlen

In Pieterlen in April, the total precipitation amount is 67 mm (2.6 in) over the course of 11 days.

April Precipitation Trends in Pieterlen

The chart displays monthly precipitation patterns in Pieterlen, 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 Pieterlen, April typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9884100671561411501528210484138
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Pieterlen

In Pieterlen in April, humidity is 84%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cool yet clammy.

April Average Humidity in Pieterlen

This chart illustrates the average monthly humidity levels in Pieterlen, 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 Pieterlen 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 Pieterlen

In Pieterlen 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 Pieterlen, you can refer to this Hourly UV Index in Pieterlen.

Maximum UV Index Levels in Pieterlen for April

The chart shows the monthly maximum UV Index (UVI) for Pieterlen 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 Pieterlen typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Pieterlen 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 Pieterlen Compares to Other Months

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

This table compares monthly weather conditions in Pieterlen, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)98 mm (3.9 inches)91%low
February Weather3°C (38°F)84 mm (3.3 inches)89%moderate
March Weather5°C (42°F)100 mm (3.9 inches)87%moderate
April Weather9°C (49°F)67 mm (2.6 inches)84%high
May Weather13°C (55°F)156 mm (6.1 inches)80%very high
June Weather18°C (64°F)141 mm (5.6 inches)82%very high
July Weather19°C (67°F)150 mm (5.9 inches)82%very high
August Weather19°C (66°F)152 mm (6.0 inches)77%very high
September Weather15°C (59°F)82 mm (3.2 inches)81%high
October Weather10°C (50°F)104 mm (4.1 inches)89%moderate
November Weather4°C (40°F)84 mm (3.3 inches)89%low
December Weather2°C (36°F)138 mm (5.4 inches)91%low

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