HALF MOON BAY, CA US
GHCN ID: USC00043714 · CA, US · 8.2 m elevation · Records 1939-2026 (87 years)
Primary station for Half Moon Bay, CA.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 59.4°F | 43.4°F | 51.4°F | 5.07 in | — |
| February | 59.5°F | 43.0°F | 51.3°F | 4.73 in | — |
| March | 60.4°F | 43.7°F | 52.1°F | 3.67 in | — |
| April | 61.0°F | 44.7°F | 52.9°F | 1.81 in | — |
| May | 61.7°F | 48.0°F | 54.9°F | 0.96 in | — |
| June | 63.9°F | 49.9°F | 56.9°F | 0.36 in | — |
| July | 64.8°F | 52.7°F | 58.8°F | 0.14 in | — |
| August | 65.6°F | 53.9°F | 59.7°F | 0.23 in | — |
| September | 66.4°F | 51.3°F | 58.8°F | 0.21 in | — |
| October | 66.4°F | 47.9°F | 57.1°F | 1.26 in | — |
| November | 62.6°F | 44.8°F | 53.7°F | 2.43 in | — |
| December | 59.0°F | 42.9°F | 50.9°F | 5.17 in | — |