Temperature
Cool by day, cold at night.
Boonville is usually most comfortable in April, September, and October. Typical daytime highs range from 40–89°F across the year. Rain varies by season.

Cool by day, cold at night.
Several rainy days. About 8 wet days this month.
Good sunshine this month.
Humidity is rarely noticeable in the cool air.
In November, afternoons feel about 46° and nights feel near 33°.
Partly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 52°F, easing to about 47°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 40 | 24 | 2.0 | 7 | 6.3 | 69 |
| Feb | 46 | 28 | 2.2 | 7 | 7.3 | 66 |
| Mar | 57 | 37 | 3.3 | 10 | 8.2 | 64 |
| Apr | 68 | 47 | 4.9 | 11 | 8.9 | 62 |
| May | 76 | 58 | 5.3 | 13 | 10.3 | 68 |
| Jun | 85 | 67 | 4.7 | 11 | 11.8 | 69 |
| Jul | 89 | 71 | 3.7 | 10 | 12.2 | 70 |
| Aug | 88 | 69 | 2.9 | 8 | 11.4 | 70 |
| Sep | 80 | 60 | 3.2 | 8 | 10.2 | 68 |
| Oct | 68 | 49 | 3.3 | 9 | 8.1 | 68 |
| Nov | 55 | 38 | 2.8 | 8 | 6.8 | 68 |
| Dec | 44 | 29 | 2.1 | 7 | 6.0 | 71 |
Similar climates
Want a side-by-side climate view? Compare Boonville 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