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April Weather in Castellar, France

Last updated: August 23, 2025

In Castellar, France, the average temperature in April hovers around 13°C (55°F). Expect a minimum of 6°C (43°F) and a pleasant maximum of 21°C (70°F). Be prepared for 75 mm (3.0 in) of precipitation over about 10 days, with an average humidity level of 75% making the air feel quite refreshing.

April Temperature in Castellar

In April in Castellar, the average temperature is 13°C (55°F), with maximums reaching 21°C (70°F) and minimums dropping to as low as 6°C (43°F). It's advisable to pack layers to stay comfortable while exploring this vibrant destination.

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

The chart illustrates April temperature patterns in Castellar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castellar, April typically has an average temperature of 13°C (55°F), with highs reaching up to 21°C (70°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec484951556169737569625550
Data source: Temperature data for Castellar 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 Castellar

In Castellar in April, the precipitation amount is 75 mm (3.0 in) spread over a duration of 10 days.

April Precipitation Trends in Castellar

The chart displays monthly precipitation patterns in Castellar, 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 Castellar, April typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec534674757043242747120144111
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Castellar

In Castellar in April humidity is 75%. With average temperature 13°C (55°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions less enjoyable without layered clothing and frequent breaks to warm up indoors.

April Average Humidity in Castellar

This chart illustrates the average monthly humidity levels in Castellar, 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 Castellar is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%75%74%72%69%66%71%78%82%79%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Castellar

In Castellar in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Castellar.

Maximum UV Index Levels in Castellar for April

The chart shows the monthly maximum UV Index (UVI) for Castellar 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 Castellar typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245789987532
Data source: Castellar 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 Castellar Compares to Other Months

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

This table compares monthly weather conditions in Castellar, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)53 mm (2.1 inches)80%low
February Weather10°C (50°F)46 mm (1.8 inches)73%moderate
March Weather11°C (51°F)73 mm (2.9 inches)71%moderate
April Weather13°C (55°F)75 mm (3.0 inches)75%high
May Weather16°C (61°F)70 mm (2.7 inches)74%very high
June Weather20°C (69°F)43 mm (1.7 inches)72%very high
July Weather23°C (74°F)24 mm (0.9 inches)69%very high
August Weather24°C (75°F)27 mm (1.1 inches)66%very high
September Weather21°C (69°F)47 mm (1.9 inches)71%high
October Weather17°C (63°F)120 mm (4.7 inches)78%moderate
November Weather13°C (55°F)143 mm (5.6 inches)82%moderate
December Weather10°C (50°F)111 mm (4.4 inches)79%low

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