Windsor, CA Weather & Climate Normals
Windsor's real weather, in one number
Windsor, 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.
Windsor's hottest and coldest months
Windsor's hottest month is Aug, averaging 68°F; its coldest is Dec, averaging 47°F, a 20.8°F swing across the year, a middling gap by national standards.
Windsor's weather across the year
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 58°F | 38°F | 6.67in |
| Feb | 62°F | 39°F | 6.67in |
| Mar | 65°F | 41°F | 4.58in |
| Apr | 69°F | 43°F | 2.1in |
| May | 75°F | 47°F | 1.27in |
| Jun | 82°F | 50°F | 0.31in |
| Jul | 84°F | 52°F | 0.01in |
| Aug | 84°F | 52°F | 0.05in |
| Sep | 83°F | 50°F | 0.13in |
| Oct | 77°F | 46°F | 1.65in |
| Nov | 65°F | 40°F | 3.58in |
| Dec | 58°F | 37°F | 6.76in |
most of the year (7 of 12 months) are the best time to see Windsor at its mildest; the rest of the year, plan around Dec's cold.
Rain and snow in Windsor
Over a typical year, Windsor sees about 33.78in of precipitation a year across roughly 76 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Windsor ranks
Windsor ranks 261 of 4876 US cities in this dataset for comfort score, and 254 of 429 within CA. About 25,846 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Santa Rosa Sonoma Co Ap, CA US, 2.6 miles from Windsor, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is