NAPA CO AP, CA US
GHCN ID: USW00093227 · CA, US · 4.3 m elevation · Records 1998-2026 (28 years)
Primary station for American Canyon, CA.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 56.9°F | 38.2°F | 47.6°F | 4.17 in | — |
| February | 60.9°F | 40.0°F | 50.4°F | 3.95 in | — |
| March | 64.2°F | 41.7°F | 53.0°F | 3.01 in | — |
| April | 68.1°F | 43.5°F | 55.8°F | 1.26 in | — |
| May | 73.1°F | 47.8°F | 60.5°F | 0.80 in | — |
| June | 78.3°F | 51.8°F | 65.1°F | 0.22 in | — |
| July | 78.7°F | 54.8°F | 66.7°F | 0.01 in | — |
| August | 80.0°F | 54.4°F | 67.2°F | 0.02 in | — |
| September | 80.3°F | 51.0°F | 65.7°F | 0.07 in | — |
| October | 75.4°F | 45.9°F | 60.6°F | 0.93 in | — |
| November | 65.1°F | 40.4°F | 52.7°F | 1.97 in | — |
| December | 57.3°F | 37.6°F | 47.5°F | 3.82 in | — |