Windsor, CA
Climate overview — based on NOAA 1991-2020 normals from SANTA ROSA SONOMA CO AP, CA US.
Year-round temperatures (°F)
Climate summary
Windsor has an annual average temperature of 58.1°F with about 33.8 inches of precipitation per year. The warmest month is August (average high 84.1°F), and the coldest is December (average low 36.9°F). December is typically the wettest month (6.76 in) and July the driest (0.01 in).
Best time to visit Windsor
Full guide →Climate change signal
All-time records →168 of 366 (45.9%) of Windsor's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1990s | 21 | |
| 2000s | 108 | |
| 2010s | 136 | |
| 2020s | 101 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 57.9°F | 37.5°F | 47.7°F | 6.67 in | — | 12 |
| February | 61.7°F | 39.4°F | 50.5°F | 6.67 in | — | 11 |
| March | 65.1°F | 41.4°F | 53.3°F | 4.58 in | — | 11 |
| April | 69.0°F | 43.2°F | 56.1°F | 2.10 in | — | 8 |
| May | 74.7°F | 46.6°F | 60.7°F | 1.27 in | — | 4 |
| June | 81.8°F | 50.1°F | 65.9°F | 0.31 in | — | 2 |
| July | 83.5°F | 51.7°F | 67.6°F | 0.01 in | — | 0 |
| August | 84.1°F | 51.9°F | 68.0°F | 0.05 in | — | 0 |
| September | 83.4°F | 49.6°F | 66.5°F | 0.13 in | — | 2 |
| October | 77.1°F | 45.5°F | 61.3°F | 1.65 in | — | 4 |
| November | 65.4°F | 40.1°F | 52.8°F | 3.58 in | — | 9 |
| December | 57.5°F | 36.9°F | 47.2°F | 6.76 in | — | 13 |
Climate twins of Windsor
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).