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

In Marysville, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very hot 35°C (95°F) in July to a moderate 13°C (55°F) in January.

Nighttime temperatures range from 16°C (61°F) in July to 3°C (37°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Marysville tends toward drier weather patterns, receiving approximately 462 mm (18 in) of rain/snow per year. The seasons in Marysville bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 98 mm (3.9 in) of precipitation. This rainfall is distributed across 11 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 0.1 mm (0 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Marysville Precipitation page.

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

The average number of days each month with precipitation

In Marysville, summer days are longer and more sunny, with daily sunshine hours peaking at 14.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.7 hours per average 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 high throughout the year in Marysville.

The city experiences its highest humidity in January, reaching 83%. In July, the humidity drops to its lowest level at 53%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year