Cotati, CA Weather & Climate Normals
Cotati's real weather, in one number
Cotati, CA scores 69/100 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.
Cotati's hottest and coldest months
Cotati's hottest month is Aug, averaging 67°F; its coldest is Dec, averaging 48°F, a 18.8°F swing across the year, one of the smaller gaps in this dataset.
Cotati's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 58°F | 39°F | 4.77in | 0in |
| Feb | 61°F | 40°F | 5.23in | 0in |
| Mar | 65°F | 42°F | 3.32in | 0in |
| Apr | 68°F | 44°F | 1.68in | 0in |
| May | 72°F | 47°F | 0.93in | 0in |
| Jun | 78°F | 50°F | 0.28in | 0in |
| Jul | 81°F | 52°F | 0.01in | 0in |
| Aug | 81°F | 53°F | 0.05in | 0in |
| Sep | 82°F | 51°F | 0.09in | 0in |
| Oct | 76°F | 48°F | 1.27in | 0in |
| Nov | 66°F | 42°F | 2.74in | 0in |
| Dec | 58°F | 38°F | 5.19in | 0in |
most of the year (7 of 12 months) are the best time to see Cotati at its mildest; the rest of the year, plan around Dec's cold.
Rain and snow in Cotati
Cotati averages 25.56in of precipitation a year across roughly 70 days with measurable rain or snow, and 0in of snow a year.
Where Cotati ranks
Cotati ranks 254 of 4876 US cities in this dataset for comfort score, and 247 of 429 within CA. About 7,403 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Petaluma Ap, CA US, 7.4 miles from Cotati, 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