Sebastopol, CA Weather
Sebastopol, CA climate is mild during summer when temperatures tend to be in the 60's and cold during winter when temperatures tend to be in the 40's.
The warmest month of the year is August with an average maximum temperature of 83.80 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 34.30 degrees Fahrenheit.
Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 35 degrees Fahrenheit, and moderate during winter with an average difference of 22 degrees Fahrenheit.
The annual average precipitation at Sebastopol is 40.83 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is January with an average rainfall of 8.65 Inches.
Weather Data
Current Conditions
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Fair, 72°F | Humidity: 53% | Dewpoint: 54°F |
| Wind Speed: S 11.5 MPH (10 KT) | Heat Index: 72°F | ||
| Barometer: 29.96 in. | Wind Chill: 72°F |
Weather Forecast
| Tonight: Clear in the evening then patchy low clouds and fog. Lows in the mid to upper 50s. West winds 5 to 15 mph. | ||
| Lo: 57°F | ||
| Hi: 86°F | Independence day: Patchy low clouds and fog in the morning then sunny. Highs in the 80s to lower 90s. Southwest winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon. | |
| Lo: 55°F | ||
| Hi: 76°F | Sunday: Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 70s to mid 80s. Southwest winds 10 to 20 mph. | |
| Lo: 55°F | ||
| Hi: 76°F | Monday: Patchy low clouds and fog in the morning then mostly sunny. Highs in the 70s to lower 80s. | |
| Lo: 55°F | ||
| Hi: 76°F | Tuesday: Partly cloudy with patchy fog. Lows in the 50s. Highs in the lower 70s to mid 80s. | |
| Lo: 55°F | ||
| Hi: 76°F | Wednesday: Partly cloudy with patchy fog. Lows in the 50s. Highs in the lower 70s to mid 80s. | |
| Lo: 55°F | ||
| Hi: 76°F | Thursday: Partly cloudy with patchy fog. Lows in the 50s. Highs in the lower 70s to mid 80s. | |
| Lo: 55°F |
Moon, Sunrise and Sunset
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Moon Phase: Waxing Gibbous Moon | Civil Twilight: 5:20 AM PDT |
Sunrise: 5:51 AM PDT |
| Sunset: 8:38 PM PDT |
Civil Twilight: 9:10 PM PDT |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 57.0 | 61.7 | 64.9 | 70.2 | 75.8 | 81.2 | 83.6 | 83.8 | 82.4 | 77.0 | 65.5 | 57.5 | 71.7 |
| Mean °F | 46.4 | 49.9 | 52.5 | 55.8 | 60.2 | 64.4 | 66.5 | 66.4 | 65.1 | 60.1 | 51.8 | 45.9 | 57.1 |
| Min °F | 35.7 | 38.1 | 40.1 | 41.4 | 44.5 | 47.6 | 49.3 | 49.0 | 47.7 | 43.1 | 38.0 | 34.3 | 42.4 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 8.65 | 7.64 | 6.15 | 2.25 | 1.03 | 0.25 | 0.08 | 0.11 | 0.52 | 2.01 | 5.85 | 6.29 | 40.83 |

