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
The average number of days each month with precipitation
Best Time to Visit Mendocino
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: June, July, August and September
- Fewest rainy days: June, July, August and September
- Wettest months: January, February, March, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from May to September
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 on the map
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