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

Average temperatures, rainfall, sunshine and the best time to visit Marysville.

Climate overview of Marysville

The climate in Marysville, California, United States of America, is marked by large temperature swings across the seasons, ranging from 35°C (95°F) in July to 13°C (55°F) in December.

The city has a relatively dry climate, receiving around 462 mm (18 in) of rain/snowfall per year. It does experience a distinct dry season from May to October, with very hot summers and mild winters. December is the wettest month and July the driest. Sunshine peaks in July, when the city sees around 14.7 hours of sunshine per day.

Marysville Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Marysville - and find the best time to visit.

Monthly Temperature in Marysville

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 December.

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

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Marysville

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

Sunshine Hours in Marysville

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

Data from: Sacramento, the United States of America (63 KM, 39 Miles).

Daily hours of sunshine

Data from: Sacramento, the United States of America (63 KM, 39 Miles).

Humidity in Marysville by Month

Best Time to Visit Marysville

The most comfortable overall weather for exploring Marysville is usually found in April, May and October. Conditions are generally least comfortable in July and August.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: April, May and October
  • Warmest weather: July and August
  • Most sunshine: June and July
  • Fewest rainy days: June, July, August and September
  • Seasonal pattern: A distinct dry season from May to October, with very hot summers and mild winters

Frequently asked questions about the climate in Marysville

What is the best time to visit Marysville?

April, May and October typically offer the most optimal weather in Marysville. In contrast, July and August tend to have less optimal conditions. Marysville has a distinct dry season from May to October, with very hot summers and mild winters.

What temperatures can I expect in Marysville?

Daytime highs range from 13°C (55°F) in December to 35°C (95°F) in July. Nighttime lows range from 3°C (37°F) to 16°C (61°F). Temperatures vary considerably through the year.

How much rain does Marysville get?

Annual rainfall is around 462 mm (18 in). December is the wettest month with 98 mm (3.9 in), while July is the driest with 0.1 mm (0 in).

How sunny is Marysville?

Marysville receives around 3,602 hours of sunshine per year. July is the sunniest month with 440 hours, while December is the cloudiest with just 141 hours. Overall, Marysville enjoys abundant sunshine.

Marysville 3-Day Forecast

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