Temperature
Pleasant by day, brisk at night.
Mild days with cool nights and plenty of sun.

Pleasant by day, brisk at night.
A few rainy days. About 6 wet days, more than in most months.
Plenty of sun this month.
In January, afternoons feel about 58° and nights feel near 43°.
Partly cloudy skies this month.
Calm winds are typical in January.
January late afternoons are around 62°F, easing to about 54°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 66 | 47 | 3.1 | 6 | 8.3 | 63 |
| Feb | 65 | 47 | 3.4 | 7 | 8.9 | 65 |
| Mar | 68 | 49 | 2.5 | 6 | 10.5 | 64 |
| Apr | 72 | 52 | 1.2 | 4 | 11.8 | 59 |
| May | 77 | 57 | 0.4 | 2 | 13.3 | 58 |
| Jun | 83 | 62 | 0.1 | 1 | 13.8 | 57 |
| Jul | 87 | 67 | 0.0 | 0 | 13.8 | 57 |
| Aug | 88 | 67 | 0.0 | 0 | 13.0 | 56 |
| Sep | 85 | 64 | 0.2 | 1 | 11.8 | 55 |
| Oct | 79 | 58 | 0.7 | 2 | 10.6 | 53 |
| Nov | 71 | 51 | 1.4 | 4 | 9.2 | 58 |
| Dec | 65 | 47 | 2.8 | 6 | 8.4 | 62 |
Similar climates
Want a side-by-side climate view? Compare Los Olivos with Calistoga / Napa Valley.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology