May Weather in Arenas, Spain

Last updated: August 27, 2025

In May, the average temperature in Arenas, Spain hovers around 18°C (64°F), creating a pleasant climate. Expect temperatures to range from a cool 11°C (52°F) to a warm 26°C (80°F). During this month, you can anticipate about 23 mm (0.9 in) of precipitation spread over 4 days, with an average humidity of 55%.

May Temperature in Arenas

In May in Arenas, the average temperature is 18°C (64°F). Maximums can reach 26°C (80°F), and minimums can be as low as 11°C (52°F). This pleasant weather makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates May temperature patterns in Arenas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arenas, May typically has an average temperature of 18°C (64°F), with highs reaching up to 26°C (80°F) and lows dropping to around 11°C (52°F).

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

May Precipitation in Arenas

In Arenas in May, the total precipitation amount is 23 mm (0.9 in) over a span of 4 days.

May Precipitation Trends in Arenas

The chart displays monthly precipitation patterns in Arenas, 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 Arenas, May typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 4 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 Arenas

In Arenas in May, humidity is 55%. With an average temperature of 18°C (64°F), this humidity feels like a gentle embrace, making it comfortable for traveling yet slightly muggy, perfect for exploring the outdoors with a light jacket.

May Average Humidity in Arenas

This chart illustrates the average monthly humidity levels in Arenas, 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 Arenas is approximately 55%, 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 Arenas

In Arenas 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 Arenas.

Maximum UV Index Levels in Arenas for May

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

Data source: Arenas 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 Arenas Compares to Other Months

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

This table compares monthly weather conditions in Arenas, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (53°F)	48 mm (1.9 inches)	76%	moderate
February Weather	13°C (55°F)	30 mm (1.2 inches)	71%	moderate
March Weather	13°C (56°F)	82 mm (3.2 inches)	66%	high
April Weather	15°C (58°F)	62 mm (2.4 inches)	58%	very high
May Weather	18°C (64°F)	23 mm (0.9 inches)	55%	very high
June Weather	21°C (69°F)	3 mm (0.1 inches)	50%	extreme
July Weather	24°C (75°F)	2 mm (0.1 inches)	55%	extreme
August Weather	25°C (77°F)	7 mm (0.3 inches)	54%	very high
September Weather	22°C (72°F)	14 mm (0.6 inches)	61%	very high
October Weather	19°C (66°F)	53 mm (2.1 inches)	70%	high
November Weather	15°C (59°F)	65 mm (2.6 inches)	76%	moderate
December Weather	13°C (56°F)	42 mm (1.7 inches)	79%	moderate