May Weather in Ona, Spain

Last updated: August 27, 2025

In May, the average temperature in Ona, Spain hovers around 13°C (56°F), with minima dipping to 0°C (32°F) and maxima soaring to 31°C (88°F). Expect about 55 mm (2.2 in) of precipitation over 12 days, accompanied by a cozy average humidity of 81%. Whether you're bracing for a chilly morning or a warm afternoon, Ona in May offers a dynamic climate experience!

May Temperature in Ona

In May in Ona, the average temperature is 13°C (56°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as 0°C (32°F). Be prepared for a wide range of temperatures when traveling during this time!

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

The chart illustrates May temperature patterns in Ona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ona, May typically has an average temperature of 13°C (56°F), with highs reaching up to 31°C (88°F) and lows dropping to around 0°C (32°F).

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

May Precipitation in Ona

In Ona in May, the total precipitation amount is 55 mm (2.2 in) over a span of 12 days.

May Precipitation Trends in Ona

The chart displays monthly precipitation patterns in Ona, 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 Ona, May typically receives around 55 mm (2.2 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 Ona

In Ona in May, humidity is 81%. With an average temperature of 13°C (56°F), this humidity feels like a blanket of damp air that clings to your skin, making it essential to pack breathable clothing and stay hydrated while exploring.

May Average Humidity in Ona

This chart illustrates the average monthly humidity levels in Ona, 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 Ona is approximately 81%, 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 Ona

In Ona 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 Ona.

Maximum UV Index Levels in Ona for May

The chart shows the monthly maximum UV Index (UVI) for Ona 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 Ona typically reaches 9, which falls under the very high exposure category.

Data source: Ona 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 Ona Compares to Other Months

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

This table compares monthly weather conditions in Ona, 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 (39°F)	54 mm (2.1 inches)	85%	low
February Weather	6°C (44°F)	54 mm (2.1 inches)	83%	moderate
March Weather	8°C (46°F)	58 mm (2.3 inches)	82%	high
April Weather	10°C (50°F)	78 mm (3.1 inches)	81%	very high
May Weather	13°C (56°F)	55 mm (2.2 inches)	81%	very high
June Weather	17°C (62°F)	69 mm (2.7 inches)	83%	extreme
July Weather	19°C (66°F)	38 mm (1.5 inches)	87%	very high
August Weather	19°C (66°F)	30 mm (1.2 inches)	82%	very high
September Weather	17°C (62°F)	38 mm (1.5 inches)	77%	very high
October Weather	13°C (55°F)	61 mm (2.4 inches)	80%	high
November Weather	8°C (46°F)	73 mm (2.9 inches)	83%	moderate
December Weather	6°C (43°F)	63 mm (2.5 inches)	85%	low