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Graton, CA Climate
1991 to 2020 normals at Graton, 0.7 mi from the center of Graton, elevation 200 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 58° | 37° | 7.88 in | 0.0 in | |
| February | 62° | 39° | 7.48 in | 0.0 in | |
| March | 66° | 41° | 5.18 in | 0.0 in | |
| April | 70° | 42° | 2.58 in | 0.0 in | |
| May | 75° | 46° | 1.41 in | 0.0 in | |
| June | 81° | 48° | 0.41 in | 0.0 in | |
| July | 83° | 51° | 0.01 in | 0.0 in | |
| August | 84° | 50° | 0.06 in | 0.0 in | |
| September | 84° | 48° | 0.18 in | 0.0 in | |
| October | 78° | 44° | 1.98 in | 0.0 in | |
| November | 67° | 40° | 4.43 in | 0.0 in | |
| December | 58° | 37° | 8.34 in | 0.0 in | |
| Year | 72° | 39.94 in | 0.0 in |
Frequently asked questions
- What is the hottest month in Graton, CA?
- August is the warmest month, with a normal high of 84°F at Graton.
- What is the coldest month in Graton, CA?
- December is the coldest month, with a normal low of 37°F.
- What is the wettest month in Graton, CA?
- December has the most precipitation on average, about 8.34 inches.