|
Typical Napa August Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 80.5 °F | |
| Average daily low | 53.8 °F | |
| Average monthly precipitation | 0.0 inches | |
| Daily chance of precipitation | 0.65% | |
|
Napa August Weather Records 1901–2024 |
||
|---|---|---|
| Highest temperature | 106 °F | August 14, 2020 |
| Lowest temperature | 37 °F | August 17, 1932 |
| Highest daily low | 75 °F | August 2, 1920 |
| Lowest daily high | 61 °F | August 25, 1926 |
| Hottest average high temperature | 87.9 °F | 1969 |
| Coldest average high temperature | 73.5 °F | 1911 |
| Most daily precipitation | 0.8 inches | August 11, 1965 |
| Most monthly precipitation | 1.3 inches | 1976 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| August 1 | 80.0 | 54.2 | 102 | 44 |
| August 2 | 80.1 | 54.2 | 105 | 44 |
| August 3 | 80.1 | 54.1 | 105 | 42 |
| August 4 | 80.1 | 54.1 | 106 | 46 |
| August 5 | 80.0 | 54.1 | 103 | 45 |
| August 6 | 79.9 | 54.1 | 102 | 42 |
| August 7 | 79.9 | 54.0 | 102 | 44 |
| August 8 | 79.9 | 54.1 | 100 | 40 |
| August 9 | 79.9 | 54.1 | 102 | 39 |
| August 10 | 80.0 | 54.1 | 102 | 40 |
| August 11 | 80.0 | 54.1 | 98 | 42 |
| August 12 | 80.1 | 54.0 | 98 | 42 |
| August 13 | 80.3 | 54.0 | 98 | 41 |
| August 14 | 80.4 | 53.9 | 106 | 46 |
| August 15 | 80.5 | 53.9 | 102 | 43 |
| August 16 | 80.4 | 53.9 | 101 | 43 |
| August 17 | 80.5 | 53.8 | 103 | 37 |
| August 18 | 80.6 | 53.7 | 103 | 45 |
| August 19 | 80.8 | 53.6 | 102 | 44 |
| August 20 | 80.9 | 53.6 | 102 | 45 |
| August 21 | 80.9 | 53.5 | 100 | 44 |
| August 22 | 81.1 | 53.4 | 100 | 44 |
| August 23 | 81.2 | 53.3 | 104 | 41 |
| August 24 | 81.3 | 53.2 | 104 | 42 |
| August 25 | 81.3 | 53.2 | 100 | 44 |
| August 26 | 81.2 | 53.2 | 101 | 41 |
| August 27 | 81.1 | 53.1 | 105 | 42 |
| August 28 | 81.1 | 53.0 | 104 | 42 |
| August 29 | 81.1 | 53.0 | 105 | 45 |
| August 30 | 81.0 | 52.9 | 103 | 38 |
| August 31 | 80.8 | 52.9 | 103 | 42 |