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May Weather in Castro del Rio, Spain

Last updated: August 27, 2025

In May, the average temperature in Castro del Rio, Spain is a pleasant 21°C (70°F). However, expect a range where the minimum can dip to 6°C (43°F), while the maximum might soar to a sizzling 39°C (103°F). With 18 mm (0.7 in) of precipitation spread over 4 days, you can anticipate a mix of sunshine and occasional showers. Average humidity sits comfortably at 55%, making for a delightful atmosphere overall.

May Temperature in Castro del Rio

In May in Castro del Rio, the average temperature is 21°C (70°F), with maximums reaching 39°C (103°F) and minimums dropping as low as 6°C (43°F). Be sure to pack both light clothing for the warm days and warmer layers for the cooler evenings.

May Weather in Castro del Rio: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Castro del Rio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castro del Rio, May typically has an average temperature of 21°C (70°F), with highs reaching up to 39°C (103°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec475356617077838476675551
Data source: Temperature data for Castro del Rio 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 del Rio

In Castro del Rio in May, the total precipitation amount is 18 mm (0.7 in) spread over a duration of 4 days.

May Precipitation Trends in Castro del Rio

The chart displays monthly precipitation patterns in Castro del Rio, 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 del Rio, May typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec3934816118711428446750
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Castro del Rio

In Castro del Rio in May humidity is 55%. With average temperature 21°C (70°F), this humidity feels like a refreshing embrace, making it comfortable for traveling as long as you stay hydrated and take in the sights at a leisurely pace.

May Average Humidity in Castro del Rio

This chart illustrates the average monthly humidity levels in Castro del Rio, 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 del Rio is approximately 55%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%71%66%58%55%50%55%54%61%70%76%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Castro del Rio

In Castro del Rio 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 Castro del Rio.

Maximum UV Index Levels in Castro del Rio for May

The chart shows the monthly maximum UV Index (UVI) for Castro del Rio 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 del Rio typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109743
Data source: Castro del Rio 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 del Rio Compares to Other Months

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

This table compares monthly weather conditions in Castro del Rio, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)39 mm (1.5 inches)76%moderate
February Weather11°C (53°F)34 mm (1.3 inches)71%moderate
March Weather13°C (56°F)81 mm (3.2 inches)66%high
April Weather16°C (61°F)60 mm (2.4 inches)58%very high
May Weather21°C (70°F)18 mm (0.7 inches)55%very high
June Weather25°C (77°F)7 mm (0.3 inches)50%extreme
July Weather28°C (83°F)1 mm (0.1 inches)55%extreme
August Weather29°C (84°F)14 mm (0.5 inches)54%very high
September Weather25°C (77°F)28 mm (1.1 inches)61%very high
October Weather19°C (67°F)44 mm (1.7 inches)70%high
November Weather13°C (56°F)67 mm (2.7 inches)76%moderate
December Weather10°C (51°F)50 mm (2.0 inches)79%moderate

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