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May Weather in Castro de Rei, Spain

Last updated: August 27, 2025

In Castro de Rei, Spain, the average temperature in May is 13°C (56°F), with a minimum of 2°C (36°F) and a maximum of 29°C (85°F). Expect about 91 mm (3.6 in) of precipitation spread over 13 days, contributing to a high average humidity of 83%. Prepare for a mix of mild temperatures and plenty of moisture!

May Temperature in Castro de Rei

In May in Castro de Rei, the average temperature is 13°C (56°F). Maximum temperatures can reach 29°C (85°F), while minimums can drop as low as 2°C (36°F). This range makes it advisable for travelers to pack layers for both warm and cool conditions.

May Weather in Castro de Rei: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Castro de Rei, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castro de Rei, May typically has an average temperature of 13°C (56°F), with highs reaching up to 29°C (85°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec444748515660646461564947
Data source: Temperature data for Castro de Rei 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 Castro de Rei

In Castro de Rei in May, the precipitation amount is 91 mm (3.6 in) spread over 13 days.

May Precipitation Trends in Castro de Rei

The chart displays monthly precipitation patterns in Castro de Rei, 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 Castro de Rei, May typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec91120128999179354659108136169
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Castro de Rei

In Castro de Rei in May humidity is 83%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as the air feels heavy and the moisture clings to your skin.

May Average Humidity in Castro de Rei

This chart illustrates the average monthly humidity levels in Castro de Rei, 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 Castro de Rei is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%83%83%83%82%78%79%82%84%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Castro de Rei

In Castro de Rei in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Castro de Rei.

Maximum UV Index Levels in Castro de Rei for May

The chart shows the monthly maximum UV Index (UVI) for Castro de Rei 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 Castro de Rei typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101097632
Data source: Castro de Rei 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 Castro de Rei Compares to Other Months

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

This table compares monthly weather conditions in Castro de Rei, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)91 mm (3.6 inches)84%low
February Weather8°C (47°F)120 mm (4.7 inches)83%moderate
March Weather9°C (48°F)128 mm (5.1 inches)82%high
April Weather11°C (51°F)99 mm (3.9 inches)83%very high
May Weather13°C (56°F)91 mm (3.6 inches)83%very high
June Weather15°C (60°F)79 mm (3.1 inches)83%very high
July Weather18°C (64°F)35 mm (1.4 inches)82%very high
August Weather18°C (64°F)46 mm (1.8 inches)78%very high
September Weather16°C (62°F)59 mm (2.3 inches)79%high
October Weather13°C (56°F)108 mm (4.2 inches)82%high
November Weather9°C (49°F)136 mm (5.3 inches)84%moderate
December Weather8°C (47°F)169 mm (6.6 inches)85%low

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