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

Visitors to Hanford can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a very hot 37°C (99°F) in July to a moderate 13°C (55°F) in the coolest month, December.

Nights vary from 19°C (66°F) in July to around 2°C (36°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Hanford experiences desert-like conditions in terms of precipitation with almost no rain/snowfall, generally receiving 191 mm (7.5 in) annually. The climate in Hanford shows significant variation throughout the year. Expect moderate rainfall in December, the wettest month, with an average of 44 mm (1.7 in) of precipitation over 7 rainy days.

In contrast, the driest month August offers drier and sunnier days, with around 0.4 mm (0.02 in) of rainfall over 0 rainy days. For more details, please visit our Hanford Precipitation page.

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

The average number of days each month with precipitation

For those who appreciate different seasons, Hanford serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 14.3 hours of sunshine daily, and embrace the darker days in December, offering only 4.2 hours of daily sunlight.

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 Hanford.

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