|
Typical Santa Rosa January Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 58.1 °F | |
| Average daily low | 38.2 °F | |
| Average monthly precipitation | 6.4 inches | |
| Daily chance of precipitation | 43.9% | |
|
Santa Rosa January Weather Records 1902–2024 |
||
|---|---|---|
| Highest temperature | 85 °F | January 9, 1962 |
| Lowest temperature | 15 °F | January 3, 1919 |
| Highest daily low | 58 °F | January 1, 1997 |
| Lowest daily high | 37 °F | January 14, 1926 |
| Hottest average high temperature | 67.8 °F | 2014 |
| Coldest average high temperature | 51.3 °F | 1916 |
| Most daily precipitation | 5.0 inches | January 5, 1966 |
| Most monthly precipitation | 19.0 inches | 2017 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| January 1 | 56.8 | 37.1 | 75 | 19 |
| January 2 | 56.9 | 37.1 | 68 | 15 |
| January 3 | 57.0 | 37.2 | 70 | 15 |
| January 4 | 57.1 | 37.3 | 72 | 20 |
| January 5 | 57.2 | 37.3 | 70 | 19 |
| January 6 | 57.2 | 37.3 | 80 | 22 |
| January 7 | 57.2 | 37.5 | 70 | 21 |
| January 8 | 57.2 | 37.6 | 77 | 21 |
| January 9 | 57.3 | 37.7 | 85 | 17 |
| January 10 | 57.4 | 37.8 | 79 | 20 |
| January 11 | 57.5 | 37.9 | 74 | 23 |
| January 12 | 57.5 | 38.0 | 82 | 25 |
| January 13 | 57.6 | 38.1 | 75 | 21 |
| January 14 | 57.7 | 38.2 | 70 | 21 |
| January 15 | 57.8 | 38.2 | 71 | 20 |
| January 16 | 57.9 | 38.3 | 74 | 22 |
| January 17 | 58.1 | 38.4 | 76 | 21 |
| January 18 | 58.3 | 38.5 | 79 | 22 |
| January 19 | 58.4 | 38.6 | 72 | 21 |
| January 20 | 58.6 | 38.7 | 70 | 20 |
| January 21 | 58.8 | 38.8 | 73 | 21 |
| January 22 | 59.1 | 38.8 | 77 | 21 |
| January 23 | 59.3 | 38.9 | 75 | 21 |
| January 24 | 59.4 | 39.0 | 75 | 24 |
| January 25 | 59.6 | 39.1 | 76 | 23 |
| January 26 | 59.8 | 39.1 | 73 | 22 |
| January 27 | 60.0 | 39.1 | 77 | 24 |
| January 28 | 60.2 | 39.1 | 72 | 22 |
| January 29 | 60.3 | 39.2 | 73 | 22 |
| January 30 | 60.5 | 39.3 | 73 | 22 |
| January 31 | 60.6 | 39.4 | 80 | 22 |