Castilly Weather & Climate: Best Time to Visit

In Castilly, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 23°C (73°F) in August. In February, the coolest month of the year, temperatures drop to a chilly 10°C (50°F).

At night, temperatures range from around 15°C (59°F) in August to 4°C (39°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

On average, Castilly receives a reasonable amount of rainfall, with an annual precipitation of 825 mm (32 in). Castilly experiences moderate seasonal variation in rainfall, with monthly averages ranging from 90 mm (3.5 in) in December, the wettest month, and 53 mm (2.1 in) in July, the driest month. For more details, please visit our Castilly Precipitation page.

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

The average number of days each month with precipitation

Castilly can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 7.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.0 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The city experiences its highest humidity in December, reaching 87%. In April, the humidity drops to its lowest level at 80%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year