Yosemite National Park is definitely worth a visit
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Sebastopol (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sebastopol.
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Climate overview of Sebastopol
Temperatures in Sebastopol, California, United States of America, vary greatly throughout the year. September is the hottest month at 29°C (84°F), while December is the coldest at 14°C (57°F).
With around 813 mm (32 in) of annual rain/snowfall, the city has moderate precipitation levels. December is the wettest month and August the driest. It also has a distinct dry season from May to September, with warm summers and mild winters. May is the sunniest month, averaging 10.3 hours of sunshine per day.
Sebastopol Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sebastopol - and find the best time to visit.
Monthly Temperature in Sebastopol
The climate in Sebastopol is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in September to a moderate 14°C (57°F) in the coolest month, December.
Nights vary from 11°C (52°F) in September to around 3°C (37°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sebastopol
Generally, Sebastopol receives mid-range precipitation levels, with 813 mm (32 in) annually. The climate in Sebastopol shows significant variation throughout the year. Expect heavy rainfall in December, the wettest month, with an average of 176 mm (6.9 in) of precipitation over 13 rainy days.
In contrast, the driest month August offers drier and sunnier days, with around 0.6 mm (0.02 in) of rainfall over a single rainy day. For more details, please visit our Sebastopol Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Sebastopol
For those who appreciate different seasons, Sebastopol serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 10.3 hours of sunshine daily, and embrace the darker days in December, offering only 5.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Healdsburg, the United States of America (23 KM, 14 Miles).
Daily hours of sunshine
Data from: Healdsburg, the United States of America (23 KM, 14 Miles).
Daily percentage of sunshine
Data from: Healdsburg, the United States of America (23 KM, 14 Miles).
Best Time to Visit Sebastopol
The most comfortable overall weather for exploring Sebastopol is usually found in April, May, June, July, August, September and October. Conditions are generally least comfortable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
mixed
Feb
mixed
Mar
good
Apr
excellent
May
excellent
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
excellent
Nov
very good
Dec
mixed
- Best overall: April, May, June, July, August, September and October
- Warmest weather: June, July, August and September
- Most sunshine: April, May, June and July
- 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, with warm summers and mild winters
Frequently asked questions about the climate in Sebastopol
What is the best time to visit Sebastopol?
April, May, June, July, August, September and October typically offer the most optimal weather in Sebastopol. In contrast, January, February and December tend to have less optimal conditions. Sebastopol has a distinct dry season from May to September, with warm summers and mild winters.
What temperatures can I expect in Sebastopol?
Daytime highs range from 14°C (57°F) in December to 29°C (84°F) in September. Nighttime lows range from 3°C (37°F) to 11°C (52°F). Temperatures vary considerably through the year.
How much rain does Sebastopol get?
Annual rainfall is around 813 mm (32 in). December is the wettest month with 176 mm (6.9 in), while August is the driest with 0.6 mm (0.02 in).
How sunny is Sebastopol?
Sebastopol receives around 3,042 hours of sunshine per year. May is the sunniest month with 310 hours, while December is the cloudiest with just 160 hours. Overall, Sebastopol enjoys abundant sunshine.
Sebastopol 3-Day Forecast
Sebastopol on the map
Sebastopol is highlighted - select any city to see its climate.
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