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Casteljau Weather & Climate: Best Time to Visit

Casteljau, France, sees big temperature differences between seasons, with July peaking at 29°C (84°F) and January dropping to 9°C (48°F).

Rain/snowfall is high, totalling around 1307 mm (51 in) per year. October is the wettest month and July the driest. The sunniest month is July, with 10.8 hours of sunshine per day on average.

Monthly Temperature in Casteljau

Visitors to Casteljau can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in July, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like January.

At night, you can expect temperatures ranging from 16°C (61°F) in July to around 1°C (34°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Casteljau

Casteljau is known for its substantial rain/snowfall, with annual precipitation reaching 1307 mm (51 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives heavy rainfall, averaging 192 mm (7.6 in) of precipitation, recorded across 10 rainy days. In contrast, the driest month July brings less rainfall, with 51 mm (2 in) over 7 rainy days. For more details, please visit our Casteljau Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Casteljau

Seasonal changes in sunshine hours are quite dramatic in Casteljau. While July receives considerable daily sunshine with up to 10.8 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.0 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Montélimar, France (48 KM, 30 Miles).

Daily hours of sunshine

Data from: Montélimar, France (48 KM, 30 Miles).

Casteljau 3-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Casteljau

During May, June, July, August and September, Casteljau experiences its most favorable weather, with temperatures between 21°C (70°F) and 29°C (84°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 51 mm (2 in) and 142 mm (5.6 in).

Plan accordingly for October and November, when conditions bring the heaviest precipitation.

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