July Weather in Chateau-d'Olonne, France

Last updated: August 23, 2025

In Chateau-d'Olonne, France, the average temperature in July hovers around 20°C (69°F), making it a pleasant time to visit. Expect temperatures to range from a comfortable minimum of 13°C (56°F) to a warm maximum of 30°C (87°F). During this month, you'll likely see about 30 mm (1.2 in) of precipitation spread across 7 days, contributing to an average humidity level of 65%.

July Temperature in Chateau-d'Olonne

In July in Chateau-d'Olonne, the average temperature is 20°C (69°F), with maximums reaching 30°C (87°F) and minimums dipping as low as 13°C (56°F). It’s a great time to explore Chateau-d'Olonne, as the pleasant temperatures make for enjoyable outdoor activities.

July Weather in Chateau-d'Olonne: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Chateau-d'Olonne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chateau-d'Olonne, July typically has an average temperature of 20°C (69°F), with highs reaching up to 30°C (87°F) and lows dropping to around 13°C (56°F).

Data source: Temperature data for Chateau-d'Olonne generated using information from the Copernicus Climate Change Service.

July Precipitation in Chateau-d'Olonne

In Chateau-d'Olonne in July, the total precipitation amount is 30 mm (1.2 in) over a span of 7 days.

July Precipitation Trends in Chateau-d'Olonne

The chart displays monthly precipitation patterns in Chateau-d'Olonne, 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 Chateau-d'Olonne, July typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 7 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 Chateau-d'Olonne

In Chateau-d'Olonne in July, humidity is 65%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, creating a sticky atmosphere that can be quite oppressive for traveling, making every step feel heavier and the air thick with moisture.

July Average Humidity in Chateau-d'Olonne

This chart illustrates the average monthly humidity levels in Chateau-d'Olonne, 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 Chateau-d'Olonne 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 Chateau-d'Olonne

In Chateau-d'Olonne 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 Chateau-d'Olonne.

Maximum UV Index Levels in Chateau-d'Olonne for July

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

Data source: Chateau-d'Olonne 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 Chateau-d'Olonne Compares to Other Months

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

This table compares monthly weather conditions in Chateau-d'Olonne, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	71 mm (2.8 inches)	88%	low
February Weather	9°C (48°F)	78 mm (3.1 inches)	87%	moderate
March Weather	10°C (50°F)	76 mm (3.0 inches)	84%	moderate
April Weather	12°C (54°F)	35 mm (1.4 inches)	83%	high
May Weather	15°C (59°F)	58 mm (2.3 inches)	81%	very high
June Weather	18°C (65°F)	68 mm (2.7 inches)	75%	very high
July Weather	20°C (69°F)	30 mm (1.2 inches)	65%	very high
August Weather	20°C (68°F)	37 mm (1.5 inches)	67%	very high
September Weather	18°C (65°F)	46 mm (1.8 inches)	75%	high
October Weather	15°C (59°F)	87 mm (3.4 inches)	85%	moderate
November Weather	11°C (52°F)	106 mm (4.2 inches)	88%	moderate
December Weather	10°C (50°F)	140 mm (5.5 inches)	90%	low