Temperature
Cold by day, freezing at night.
Butte is usually most comfortable in August and September. Typical daytime highs range from 30–81°F across the year. Most months see little rain.

Cold by day, freezing at night.
Some precipitation is expected this month.
A mix of sunshine and cloud.
Humidity is rarely noticeable in the cool air.
In November, afternoons feel about 28° and nights feel near 16°.
Mostly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 34°F, easing to about 29°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 31 | 13 | 0.9 | 7 | 7.0 | 77 |
| Feb | 34 | 15 | 0.9 | 7 | 8.3 | 75 |
| Mar | 42 | 22 | 1.4 | 10 | 9.8 | 71 |
| Apr | 49 | 28 | 2.1 | 12 | 11.0 | 68 |
| May | 60 | 36 | 3.0 | 15 | 12.1 | 67 |
| Jun | 70 | 44 | 3.3 | 14 | 12.8 | 64 |
| Jul | 81 | 50 | 1.5 | 9 | 14.0 | 53 |
| Aug | 80 | 49 | 1.1 | 7 | 12.8 | 51 |
| Sep | 70 | 42 | 1.4 | 6 | 10.8 | 55 |
| Oct | 54 | 32 | 1.3 | 7 | 8.9 | 64 |
| Nov | 39 | 20 | 1.2 | 7 | 7.3 | 71 |
| Dec | 30 | 11 | 1.0 | 8 | 6.6 | 77 |
Similar climates
Want a side-by-side climate view? Compare Butte 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