|
Typical Napa July Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 79.6 °F | |
| Average daily low | 54.0 °F | |
| Average monthly precipitation | 0.0 inches | |
| Daily chance of precipitation | 0.32% | |
|
Napa July Weather Records 1901–2024 |
||
|---|---|---|
| Highest temperature | 112 °F | July 14, 1972 |
| Lowest temperature | 38 °F | July 13, 1929 |
| Highest daily low | 71 °F | July 2, 1903 |
| Lowest daily high | 58 °F | July 2, 1927 |
| Hottest average high temperature | 88.6 °F | 1961 |
| Coldest average high temperature | 75.0 °F | 2010 |
| Most daily precipitation | 0.8 inches | July 8, 1974 |
| Most monthly precipitation | 1.1 inches | 1974 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| July 1 | 79.8 | 53.0 | 103 | 43 |
| July 2 | 79.8 | 53.1 | 105 | 44 |
| July 3 | 79.8 | 53.1 | 104 | 39 |
| July 4 | 79.8 | 53.2 | 107 | 44 |
| July 5 | 79.8 | 53.4 | 106 | 44 |
| July 6 | 79.7 | 53.5 | 106 | 44 |
| July 7 | 79.8 | 53.6 | 110 | 42 |
| July 8 | 79.8 | 53.7 | 101 | 40 |
| July 9 | 79.8 | 53.8 | 106 | 43 |
| July 10 | 79.9 | 53.8 | 108 | 43 |
| July 11 | 79.9 | 53.8 | 106 | 43 |
| July 12 | 79.9 | 53.8 | 101 | 44 |
| July 13 | 79.8 | 53.8 | 104 | 38 |
| July 14 | 79.8 | 53.9 | 112 | 45 |
| July 15 | 79.7 | 53.9 | 109 | 44 |
| July 16 | 79.6 | 54.0 | 103 | 43 |
| July 17 | 79.7 | 54.0 | 106 | 42 |
| July 18 | 79.7 | 54.0 | 103 | 40 |
| July 19 | 79.8 | 54.0 | 101 | 45 |
| July 20 | 79.8 | 54.1 | 107 | 46 |
| July 21 | 79.8 | 54.1 | 107 | 44 |
| July 22 | 79.7 | 54.2 | 106 | 44 |
| July 23 | 79.6 | 54.2 | 103 | 41 |
| July 24 | 79.6 | 54.3 | 101 | 45 |
| July 25 | 79.6 | 54.3 | 101 | 45 |
| July 26 | 79.7 | 54.3 | 99 | 45 |
| July 27 | 79.8 | 54.3 | 99 | 44 |
| July 28 | 79.8 | 54.2 | 107 | 41 |
| July 29 | 79.9 | 54.2 | 105 | 41 |
| July 30 | 79.9 | 54.2 | 103 | 43 |
| July 31 | 80.0 | 54.2 | 102 | 41 |