July Weather in Challans, France

Last updated: August 23, 2025

In July, the average temperature in Challans, France is a pleasant 20°C (68°F). Expect temperatures to range from a minimum of 12°C (53°F) to a maximum of 33°C (92°F). During this time, you can anticipate 36 mm (1.4 in) of precipitation spread over 9 days, with an average humidity of 65% providing a comfortable atmosphere.

July Temperature in Challans

In July in Challans, the average temperature is 20°C (68°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as 12°C (53°F). This pleasant weather makes it an ideal time for traveling, whether for outdoor activities or exploring local attractions.

July Weather in Challans: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Challans, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Challans, July typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (92°F) and lows dropping to around 12°C (53°F).

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

July Precipitation in Challans

In Challans in July, the precipitation amount is 36 mm (1.4 in) over the course of 9 days.

July Precipitation Trends in Challans

The chart displays monthly precipitation patterns in Challans, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Challans, July typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Challans

In Challans in July humidity is 65%. With an average temperature of 20°C (68°F), this humidity feels quite muggy for traveling, making even short walks feel a bit sticky and requiring frequent hydration.

July Average Humidity in Challans

This chart illustrates the average monthly humidity levels in Challans, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Challans is approximately 65%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Challans

In Challans in July, 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 Challans.

Maximum UV Index Levels in Challans for July

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

Data source: Challans July 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 July Weather in Challans Compares to Other Months

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

This table compares monthly weather conditions in Challans, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (46°F)	54 mm (2.1 inches)	88%	low
February Weather	9°C (48°F)	64 mm (2.5 inches)	87%	moderate
March Weather	10°C (50°F)	64 mm (2.5 inches)	84%	moderate
April Weather	12°C (54°F)	36 mm (1.4 inches)	83%	high
May Weather	15°C (59°F)	55 mm (2.2 inches)	81%	very high
June Weather	18°C (65°F)	68 mm (2.7 inches)	75%	very high
July Weather	20°C (68°F)	36 mm (1.4 inches)	65%	very high
August Weather	19°C (67°F)	43 mm (1.7 inches)	67%	very high
September Weather	18°C (64°F)	45 mm (1.8 inches)	75%	high
October Weather	15°C (58°F)	77 mm (3.0 inches)	85%	moderate
November Weather	11°C (51°F)	83 mm (3.3 inches)	88%	low
December Weather	9°C (49°F)	114 mm (4.5 inches)	90%	low