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May Weather in Castellar de Santiago, Spain

Last updated: August 27, 2025

In Castellar de Santiago, Spain, the average temperature in May hovers around 19°C (66°F), with a minimum dip to 4°C (39°F) and occasional peaks reaching up to 37°C (98°F). Expect about 36 mm (1.4 in) of precipitation over approximately 8 days, while the average humidity remains a comfortable 56%. Perfect weather for exploring!

May Temperature in Castellar de Santiago

In May in Castellar de Santiago, the average temperature is 19°C (66°F), with maximums reaching 37°C (98°F) and minimums dropping as low as 4°C (39°F). This range makes it an ideal time for travelers to experience a variety of outdoor activities and enjoy both warm and cool weather.

May Weather in Castellar de Santiago: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Castellar de Santiago, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castellar de Santiago, May typically has an average temperature of 19°C (66°F), with highs reaching up to 37°C (98°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec434851566675828273635146
Data source: Temperature data for Castellar de Santiago 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.

May Precipitation in Castellar de Santiago

In Castellar de Santiago in May, the precipitation amount is 36 mm (1.4 in) over a period of 8 days.

May Precipitation Trends in Castellar de Santiago

The chart displays monthly precipitation patterns in Castellar de Santiago, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Castellar de Santiago, May typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec34357692361681628417056
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Castellar de Santiago

In Castellar de Santiago in May humidity is 56%. With an average temperature of 19°C (66°F), this humidity feels like a comfortable blanket wrapping around you, making it pleasant for traveling and exploring, as long as you're prepared for a slight stickiness in the air.

May Average Humidity in Castellar de Santiago

This chart illustrates the average monthly humidity levels in Castellar de Santiago, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Castellar de Santiago is approximately 56%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%78%66%60%56%44%44%42%53%70%83%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Castellar de Santiago

In Castellar de Santiago in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Castellar de Santiago.

Maximum UV Index Levels in Castellar de Santiago for May

The chart shows the monthly maximum UV Index (UVI) for Castellar de Santiago in May, 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 May, the maximum UV index in Castellar de Santiago typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101211109743
Data source: Castellar de Santiago May 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 May Weather in Castellar de Santiago Compares to Other Months

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

This table compares monthly weather conditions in Castellar de Santiago, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)34 mm (1.3 inches)85%moderate
February Weather9°C (49°F)35 mm (1.4 inches)78%moderate
March Weather11°C (52°F)76 mm (3.0 inches)66%high
April Weather13°C (56°F)92 mm (3.6 inches)60%very high
May Weather19°C (66°F)36 mm (1.4 inches)56%very high
June Weather24°C (75°F)16 mm (0.6 inches)44%extreme
July Weather28°C (82°F)8 mm (0.3 inches)44%extreme
August Weather28°C (83°F)16 mm (0.6 inches)42%very high
September Weather23°C (73°F)28 mm (1.1 inches)53%very high
October Weather17°C (63°F)41 mm (1.6 inches)70%high
November Weather10°C (51°F)70 mm (2.7 inches)83%moderate
December Weather8°C (46°F)56 mm (2.2 inches)86%moderate

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