Castelsarrasin Weather & Climate: Best Time to Visit

Visitors to Castelsarrasin can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 30°C (86°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 11°C (52°F).

At night, temperatures range from around 17°C (63°F) in August to 3°C (37°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Castelsarrasin experiences moderate precipitation patterns, averaging 773 mm (30 in) yearly. Despite minor fluctuations, Castelsarrasin enjoys fairly consistent precipitation throughout the year. In April, you can expect around 80 mm (3.1 in) of precipitation, while in July, Castelsarrasin receives about 52 mm (2 in). For more details, please visit our Castelsarrasin Precipitation page.

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

The average number of days each month with precipitation

Castelsarrasin can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 8.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.9 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Castelsarrasin.

The city experiences its highest humidity in December, reaching 88%. In July, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year