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

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

Climate overview of Mendocino

Mendocino, California, United States of America, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 16°C (61°F), peaking in August at 19°C (66°F) and dipping in December to 13°C (55°F).

The city receives around 986 mm (39 in) of rainfall per year. It experiences a distinct dry season from May to September. December is the wettest month and August the driest.

Mendocino Weather by Month

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

Monthly Temperature in Mendocino

With minimal seasonal shifts, Mendocino experiences a constant climate year-round. On average, daytime temperatures range from a pleasant 19°C (66°F) in August to a moderate 13°C (55°F) in December.

Nighttime temperatures range from 10°C (50°F) in August to 5°C (41°F) in December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Mendocino

Generally, Mendocino receives mid-range precipitation levels, with 986 mm (39 in) annually. The seasons in Mendocino bring significant changes in precipitation. The wettest month, December, receives heavy rainfall, with an average of 201 mm (7.9 in) of precipitation. This rainfall is distributed across 15 rainy days.

In contrast, the driest month, August, experiences much less rainfall, totaling 2.3 mm (0.1 in) over 3 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Mendocino Precipitation page.

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

Best Time to Visit Mendocino

Mendocino's weather is most enjoyable during June, July and August, with comfortable temperatures from 18°C (65°F) to 19°C (65°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 2 mm (0.1 in) and 15 mm (0.6 in), providing a good balance of sunny and rainy days.

The wettest months are March and December, when precipitation is at its highest.

Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.

Frequently asked questions about the climate in Mendocino

What is the best time to visit Mendocino?

June, July, August and September typically offer the most optimal weather in Mendocino. In contrast, January, February and December tend to have less optimal conditions. Mendocino has a distinct dry season from May to September.

What temperatures can I expect in Mendocino?

Daytime highs range from 13°C (55°F) in December to 19°C (66°F) in August. Nighttime lows range from 5°C (41°F) to 10°C (50°F). Temperatures stay relatively stable year-round.

How much rain does Mendocino get?

Annual rainfall is around 986 mm (39 in). December is the wettest month with 201 mm (7.9 in), while August is the driest with 2.3 mm (0.1 in).

Mendocino 3-Day Forecast

Mendocino (CA) 3-Day Forecast

Mendocino on the map

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