NAPA STATE HOSPITAL, CA US
GHCN ID: USC00046074 · CA, US · 10.7 m elevation · Records 1893-2026 (133 years)
Primary station for Napa, CA.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 58.6°F | 40.1°F | 49.4°F | 4.98 in | — |
| February | 63.2°F | 41.9°F | 52.5°F | 5.13 in | — |
| March | 67.5°F | 43.6°F | 55.5°F | 3.67 in | — |
| April | 72.1°F | 45.6°F | 58.8°F | 1.72 in | — |
| May | 76.6°F | 49.9°F | 63.2°F | 1.08 in | — |
| June | 82.3°F | 53.7°F | 68.0°F | 0.29 in | — |
| July | 83.3°F | 55.5°F | 69.4°F | 0.00 in | — |
| August | 83.7°F | 55.5°F | 69.6°F | 0.06 in | — |
| September | 84.4°F | 53.4°F | 68.9°F | 0.09 in | — |
| October | 78.1°F | 49.3°F | 63.7°F | 1.34 in | — |
| November | 66.2°F | 43.6°F | 54.9°F | 2.77 in | — |
| December | 58.5°F | 39.7°F | 49.1°F | 5.53 in | — |