Temperature
Pleasant by day, brisk at night.
Campbell is usually most comfortable in April, May, and November. Typical daytime highs range from 60–82°F across the year. Rain varies by season.

Pleasant by day, brisk at night.
A few rainy days. About 6 wet days this month.
Plenty of sun this month.
In November, afternoons feel about 61° and nights feel near 47°.
Partly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 63°F, easing to about 56°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 60 | 45 | 5.1 | 10 | 7.6 | 78 |
| Feb | 62 | 46 | 5.3 | 10 | 8.7 | 75 |
| Mar | 65 | 48 | 3.9 | 9 | 10.0 | 74 |
| Apr | 68 | 49 | 1.9 | 6 | 11.5 | 71 |
| May | 72 | 52 | 0.9 | 4 | 12.9 | 70 |
| Jun | 78 | 55 | 0.2 | 1 | 13.5 | 68 |
| Jul | 81 | 58 | 0.0 | 0 | 13.6 | 67 |
| Aug | 82 | 59 | 0.0 | 0 | 12.9 | 68 |
| Sep | 81 | 59 | 0.1 | 1 | 11.8 | 66 |
| Oct | 76 | 55 | 1.2 | 3 | 10.2 | 66 |
| Nov | 66 | 49 | 2.4 | 6 | 8.7 | 73 |
| Dec | 60 | 45 | 4.7 | 10 | 7.5 | 77 |
Similar climates
Want a side-by-side climate view? Compare Campbell with New York City.
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: Aug 27, 2026
Data & methodology