Castel San Giovanni Weather & Climate: Best Time to Visit

The climate in Castel San Giovanni is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a very warm 31°C (88°F) in July, the warmest time of the year, to a chilly 8°C (46°F) during cooler months like January.

At night, you can expect temperatures ranging from 20°C (68°F) in July to around 1°C (34°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Castel San Giovanni receives mid-range precipitation levels, with 979 mm (39 in) annually. While rainfall varies throughout the year, each season offers its own charm. November brings wetter days averaging 115 mm (4.5 in) of precipitation, spread over 13 rainy days.

In contrast, the driest month July experiences a drier climate, with about 58 mm (2.3 in) of rainfall spread across 9 rainy days. For more details, please visit our Castel San Giovanni Precipitation page.

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

The average number of days each month with precipitation

The relative humidity is high throughout the year in Castel San Giovanni.

The city experiences its highest humidity in December, reaching 79%. In June, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year