Fresno (CA) Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from very hot to moderate in Fresno. Average daytime temperatures reach a very hot 37°C (99°F) in July. In December, the coolest month of the year, temperatures drop to a moderate 14°C (57°F).

At night, temperatures range from around 20°C (68°F) in July to 3°C (37°F) in December.

Check out our detailed temperature page for more information.

Temperature ranges by month

With annual rainfall averaging 255 mm (10 in), Fresno maintains relatively low precipitation levels throughout the seasons. Fresno can be quite wet during December, receiving approximately 54 mm (2.1 in) of precipitation over 8 rainy days.

In contrast, during the driest month (August), you will experience much drier conditions, with 0.2 mm (0.01 in) of precipitation spread across 0 rainy days days. For more details, please visit our Fresno Precipitation page.

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

The average number of days each month with precipitation

Fresno can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 14.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.2 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is moderate throughout the year in Fresno.

The city experiences its highest humidity in January, reaching 83%. In July, the humidity drops to its lowest level at 38%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year