Sebastopol, CA Weather & Climate Normals
Sebastopol's real weather, in one number
Sebastopol, CA scores 68/100 on this site's reading of NOAA's own 30-year normals: mild with real seasons. A solid stretch of comfortable months alongside a noticeable but not extreme summer or winter. 7 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Sebastopol's hottest and coldest months
Sebastopol's hottest month is Aug, averaging 67°F; its coldest is Dec, averaging 47°F, a 19.8°F swing across the year, one of the smaller gaps in this dataset.
Sebastopol's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 58°F | 37°F | 7.88in | 0in |
| Feb | 62°F | 39°F | 7.48in | 0in |
| Mar | 66°F | 41°F | 5.18in | 0in |
| Apr | 70°F | 42°F | 2.58in | 0in |
| May | 75°F | 46°F | 1.41in | 0in |
| Jun | 81°F | 48°F | 0.41in | 0in |
| Jul | 83°F | 51°F | 0.01in | 0in |
| Aug | 84°F | 50°F | 0.06in | 0in |
| Sep | 84°F | 48°F | 0.18in | 0in |
| Oct | 78°F | 44°F | 1.98in | 0in |
| Nov | 67°F | 40°F | 4.43in | 0in |
| Dec | 58°F | 37°F | 8.34in | 0in |
most of the year (7 of 12 months) are the best time to see Sebastopol at its mildest; the rest of the year, plan around Dec's cold.
Rain and snow in Sebastopol
Sebastopol averages 39.94in of precipitation a year across roughly 78 days with measurable rain or snow, and 0in of snow a year.
Where Sebastopol ranks
Sebastopol ranks 264 of 4876 US cities in this dataset for comfort score, and 257 of 429 within CA. About 7,388 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Graton, CA US, 2.9 miles from Sebastopol, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure