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Nicasio, CA Climate
1991 to 2020 normals at San Rafael Civic Ctr, 9.8 mi from the center of Nicasio, elevation 120 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 57° | 43° | 7.13 in | 0.0 in | |
| February | 61° | 44° | 6.94 in | 0.0 in | |
| March | 65° | 46° | 4.42 in | 0.0 in | |
| April | 68° | 48° | 1.99 in | 0.0 in | |
| May | 72° | 51° | 0.94 in | 0.0 in | |
| June | 78° | 54° | 0.15 in | 0.0 in | |
| July | 81° | 55° | 0.00 in | 0.0 in | |
| August | 81° | 56° | 0.05 in | 0.0 in | |
| September | 81° | 54° | 0.07 in | 0.0 in | |
| October | 75° | 51° | 1.46 in | 0.0 in | |
| November | 65° | 46° | 3.49 in | 0.0 in | |
| December | 57° | 42° | 7.81 in | 0.0 in | |
| Year | 70° | 34.45 in | 0.0 in |
Frequently asked questions
- What is the hottest month in Nicasio, CA?
- August is the warmest month, with a normal high of 81°F at San Rafael Civic Ctr.
- What is the coldest month in Nicasio, CA?
- December is the coldest month, with a normal low of 42°F.
- What is the wettest month in Nicasio, CA?
- December has the most precipitation on average, about 7.81 inches.