May Weather in Castellet, Spain

Last updated: August 27, 2025

In May, the average temperature in Castellet, Spain hovers around 18°C (64°F), offering a comfortable climate for exploration. Expect a minimum of 8°C (46°F) and a maximum of 27°C (81°F), allowing for a pleasant range of experiences. However, be prepared for a bit of moisture, as 39 mm (1.5 in) of precipitation may grace the area over 7 days. With an average humidity of 66%, it’s wise to bring along breathable attire to stay cool and refreshed!

May Temperature in Castellet

In May in Castellet, the average temperature is 18°C (64°F). Maximums can reach 27°C (81°F) and minimums can drop as low as 8°C (46°F). This makes it a great time for travelers to enjoy a pleasant climate while exploring the area.

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

The chart illustrates May temperature patterns in Castellet, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castellet, May typically has an average temperature of 18°C (64°F), with highs reaching up to 27°C (81°F) and lows dropping to around 8°C (46°F).

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

May Precipitation in Castellet

In Castellet in May, the precipitation amount is 39 mm (1.5 in) over the course of 7 days.

May Precipitation Trends in Castellet

The chart displays monthly precipitation patterns in Castellet, 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 Castellet, May typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 7 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 Castellet

In Castellet in May humidity is 66%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace that can make outdoor activities slightly uncomfortable if you aren't properly hydrated. Travelers might find themselves longing for shade and refreshing drinks as they explore, but the pleasant temperatures still allow for enjoyable adventures with the right precautions.

May Average Humidity in Castellet

This chart illustrates the average monthly humidity levels in Castellet, 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 Castellet is approximately 66%, 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 Castellet

In Castellet 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 Castellet.

Maximum UV Index Levels in Castellet for May

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

Data source: Castellet 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 Castellet Compares to Other Months

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

This table compares monthly weather conditions in Castellet, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	57 mm (2.2 inches)	79%	moderate
February Weather	11°C (52°F)	47 mm (1.9 inches)	74%	moderate
March Weather	12°C (54°F)	50 mm (2.0 inches)	71%	moderate
April Weather	14°C (57°F)	69 mm (2.7 inches)	69%	high
May Weather	18°C (64°F)	39 mm (1.5 inches)	66%	very high
June Weather	22°C (71°F)	32 mm (1.3 inches)	65%	very high
July Weather	25°C (77°F)	30 mm (1.2 inches)	64%	very high
August Weather	25°C (77°F)	44 mm (1.7 inches)	64%	very high
September Weather	22°C (72°F)	98 mm (3.8 inches)	68%	high
October Weather	18°C (65°F)	109 mm (4.3 inches)	77%	high
November Weather	13°C (57°F)	72 mm (2.8 inches)	79%	moderate
December Weather	11°C (52°F)	28 mm (1.1 inches)	79%	low