May Weather in Rios, Spain

Last updated: August 27, 2025

In Rios, Spain, the average temperature in May hovers around 14°C (58°F). This month sees temperatures ranging from a chilly 1°C (33°F) at the lowest to a comfortable 29°C (84°F) at the highest. With 77 mm (3.0 in) of precipitation spread across 12 days, there's a good chance of rain. As you navigate through this weather, expect an average humidity of 76%, adding a touch of sultriness to your experience.

May Temperature in Rios

In May in Rios, the average temperature is 14°C (58°F), with maximums reaching up to 29°C (84°F) and minimums dropping as low as 1°C (33°F). It's advisable to pack layers to comfortably enjoy the varied weather during your travels.

May Weather in Rios: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Rios, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rios, May typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (84°F) and lows dropping to around 1°C (33°F).

Data source: Temperature data for Rios generated using information from the Copernicus Climate Change Service.

May Precipitation in Rios

In Rios in May, the precipitation amount is 77 mm (3.0 in) spread over 12 days.

May Precipitation Trends in Rios

The chart displays monthly precipitation patterns in Rios, 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 Rios, May typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Rios

In Rios in May humidity is 76%. With an average temperature of 14°C (58°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel sticky and draining, and prompting travelers to seek shade and stay hydrated often.

May Average Humidity in Rios

This chart illustrates the average monthly humidity levels in Rios, 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 Rios is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rios

In Rios 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 Rios.

Maximum UV Index Levels in Rios for May

The chart shows the monthly maximum UV Index (UVI) for Rios 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 Rios typically reaches 10, which falls under the very high exposure category.

Data source: Rios 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 Rios Compares to Other Months

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

This table compares monthly weather conditions in Rios, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	85 mm (3.3 inches)	91%	low
February Weather	7°C (44°F)	131 mm (5.2 inches)	85%	moderate
March Weather	8°C (46°F)	125 mm (4.9 inches)	79%	high
April Weather	10°C (50°F)	103 mm (4.0 inches)	77%	very high
May Weather	14°C (58°F)	77 mm (3.0 inches)	76%	very high
June Weather	17°C (62°F)	53 mm (2.1 inches)	64%	extreme
July Weather	20°C (68°F)	24 mm (0.9 inches)	54%	very high
August Weather	20°C (67°F)	23 mm (0.9 inches)	52%	very high
September Weather	17°C (63°F)	43 mm (1.7 inches)	63%	very high
October Weather	13°C (55°F)	105 mm (4.1 inches)	78%	high
November Weather	8°C (46°F)	140 mm (5.5 inches)	90%	moderate
December Weather	6°C (43°F)	189 mm (7.4 inches)	91%	low