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April Weather in Castrillon, Spain

Last updated: August 27, 2025

In April, the average temperature in Castrillon, Spain hovers around 12°C (53°F). Expect a minimum of 1°C (35°F) and a delightful maximum of 24°C (75°F). During this month, you'll encounter 98 mm (3.9 in) of precipitation spread over 14 days, contributing to an average humidity level of 83%. Prepare accordingly for a mix of mild temperatures and damp days!

April Temperature in Castrillon

In April in Castrillon, the average temperature is 12°C (53°F). Maximum temperatures can reach 24°C (75°F), while the minimum can drop as low as 1°C (35°F). Be prepared for a mix of mild and cooler weather during your travels.

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

The chart illustrates April temperature patterns in Castrillon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castrillon, April typically has an average temperature of 12°C (53°F), with highs reaching up to 24°C (75°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec475051535761656663595351
Data source: Temperature data for Castrillon 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 Castrillon

In Castrillon in April, the precipitation amount reaches 98 mm (3.9 in) over a span of 14 days.

April Precipitation Trends in Castrillon

The chart displays monthly precipitation patterns in Castrillon, 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 Castrillon, April typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec1091139698106125788490125179186
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Castrillon

In Castrillon in April humidity is 83%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and necessitating layers to stay comfortable while traveling.

April Average Humidity in Castrillon

This chart illustrates the average monthly humidity levels in Castrillon, 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 Castrillon is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%83%83%84%84%86%78%77%82%86%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Castrillon

In Castrillon 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 Castrillon.

Maximum UV Index Levels in Castrillon for April

The chart shows the monthly maximum UV Index (UVI) for Castrillon 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 Castrillon typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Castrillon 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 Castrillon Compares to Other Months

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

This table compares monthly weather conditions in Castrillon, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)109 mm (4.3 inches)87%low
February Weather10°C (50°F)113 mm (4.5 inches)85%moderate
March Weather10°C (51°F)96 mm (3.8 inches)83%moderate
April Weather12°C (53°F)98 mm (3.9 inches)83%high
May Weather14°C (58°F)106 mm (4.2 inches)84%very high
June Weather16°C (62°F)125 mm (4.9 inches)84%very high
July Weather18°C (65°F)78 mm (3.1 inches)86%very high
August Weather19°C (66°F)84 mm (3.3 inches)78%very high
September Weather17°C (64°F)90 mm (3.5 inches)77%high
October Weather15°C (59°F)125 mm (4.9 inches)82%moderate
November Weather11°C (53°F)179 mm (7.1 inches)86%moderate
December Weather10°C (51°F)186 mm (7.3 inches)87%low

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