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April Weather in Castellar del Riu, Spain

Last updated: August 27, 2025

In April, the average temperature in Castellar del Riu, Spain hovers around 11°C (52°F), offering a mild climate. Expect a range of temperatures, with minimums dipping to -2°C (28°F) and maximums soaring to 26°C (79°F). Precipitation can be significant, averaging 114 mm (4.5 in) over 12 days. With an average humidity of 69%, it's a month that balances comfort with occasional wetness.

April Temperature in Castellar del Riu

In April in Castellar del Riu, the average temperature is 11°C (52°F). The maximum can reach 26°C (79°F) and the minimum can be as low as -2°C (28°F). This varied climate makes it a great time to explore outdoor activities while being prepared for fluctuating temperatures.

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

The chart illustrates April temperature patterns in Castellar del Riu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castellar del Riu, April typically has an average temperature of 11°C (52°F), with highs reaching up to 26°C (79°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec394448526067737264574641
Data source: Temperature data for Castellar del Riu 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 del Riu

In Castellar del Riu in April, the precipitation amount is 114 mm (4.5 in) spread over 12 days.

April Precipitation Trends in Castellar del Riu

The chart displays monthly precipitation patterns in Castellar del Riu, 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 del Riu, April typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4660771141131075883861217731
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Castellar del Riu

In Castellar del Riu in April, humidity is 69%. With an average temperature of 11°C (52°F), this humidity feels like a cool, damp embrace that can make outdoor activities and sightseeing slightly uncomfortable without proper layering, urging travelers to stay hydrated while enjoying the crisp air.

April Average Humidity in Castellar del Riu

This chart illustrates the average monthly humidity levels in Castellar del Riu, 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 del Riu is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%74%71%69%66%65%64%64%68%77%79%79%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Castellar del Riu

In Castellar del Riu in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Castellar del Riu.

Maximum UV Index Levels in Castellar del Riu for April

The chart shows the monthly maximum UV Index (UVI) for Castellar del Riu 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 del Riu typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098632
Data source: Castellar del Riu 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 del Riu Compares to Other Months

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

This table compares monthly weather conditions in Castellar del Riu, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)46 mm (1.8 inches)79%moderate
February Weather7°C (45°F)60 mm (2.4 inches)74%moderate
March Weather9°C (48°F)77 mm (3.0 inches)71%high
April Weather11°C (52°F)114 mm (4.5 inches)69%very high
May Weather16°C (60°F)113 mm (4.5 inches)66%very high
June Weather19°C (67°F)107 mm (4.2 inches)65%very high
July Weather23°C (73°F)58 mm (2.3 inches)64%very high
August Weather22°C (73°F)83 mm (3.3 inches)64%very high
September Weather18°C (65°F)86 mm (3.4 inches)68%very high
October Weather14°C (57°F)121 mm (4.8 inches)77%high
November Weather8°C (47°F)77 mm (3.0 inches)79%moderate
December Weather5°C (42°F)31 mm (1.2 inches)79%low

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