May Weather in Crolles, France

Last updated: August 23, 2025

The average temperature in Crolles, France during May is a cool 10°C (50°F). You can expect temperatures to range from a chilly -6°C (22°F) to a warm 25°C (77°F). Rainfall is moderate, with an average precipitation amount of 212 mm (8.4 in) spread over 19 days. Additionally, the air tends to be quite humid, with an average humidity level of 78%.

May Temperature in Crolles

In May in Crolles, the average temperature is 10°C (50°F), with maximums reaching 25°C (77°F) and minimums dipping as low as -6°C (22°F). Be prepared for a range of temperatures, making it essential to pack layers for your travels.

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

The chart illustrates May temperature patterns in Crolles, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Crolles, May typically has an average temperature of 10°C (50°F), with highs reaching up to 25°C (77°F) and lows dropping to around -6°C (22°F).

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

May Precipitation in Crolles

In Crolles in May, the total precipitation amount is 212 mm (8.4 in) over a span of 19 days.

May Precipitation Trends in Crolles

The chart displays monthly precipitation patterns in Crolles, 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 Crolles, May typically receives around 212 mm (8.4 inches) of precipitation spread over approximately 19 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 Crolles

In Crolles in May humidity is 78%. With an average temperature of 10°C (50°F), this humidity feels like a chilly dampness that can seep into your clothes, making outdoor activities less enjoyable and requiring extra layers to stay warm as you explore the area.

May Average Humidity in Crolles

This chart illustrates the average monthly humidity levels in Crolles, 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 Crolles is approximately 78%, 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 Crolles

In Crolles 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 Crolles.

Maximum UV Index Levels in Crolles for May

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

Data source: Crolles 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 Crolles Compares to Other Months

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

This table compares monthly weather conditions in Crolles, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	127 mm (5.0 inches)	91%	moderate
February Weather	1°C (33°F)	117 mm (4.6 inches)	87%	moderate
March Weather	3°C (38°F)	155 mm (6.1 inches)	84%	high
April Weather	6°C (43°F)	99 mm (3.9 inches)	83%	very high
May Weather	10°C (50°F)	212 mm (8.4 inches)	78%	very high
June Weather	15°C (59°F)	173 mm (6.8 inches)	75%	very high
July Weather	16°C (62°F)	120 mm (4.7 inches)	72%	very high
August Weather	16°C (61°F)	125 mm (4.9 inches)	63%	very high
September Weather	12°C (54°F)	97 mm (3.8 inches)	73%	high
October Weather	8°C (47°F)	124 mm (4.9 inches)	89%	moderate
November Weather	2°C (36°F)	126 mm (5.0 inches)	90%	moderate
December Weather	-1°C (30°F)	247 mm (9.7 inches)	90%	low