Temperature
Cold by day, freezing at night.
Blackfoot is usually most comfortable in May and October. Typical daytime highs range from 34–91°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 35° and nights feel near 25°.
Partly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 44°F, easing to about 38°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 34 | 20 | 1.4 | 9 | 6.7 | 79 |
| Feb | 39 | 24 | 1.1 | 8 | 8.3 | 74 |
| Mar | 51 | 32 | 1.5 | 9 | 9.8 | 63 |
| Apr | 60 | 38 | 1.7 | 10 | 11.4 | 54 |
| May | 70 | 46 | 2.1 | 10 | 12.5 | 50 |
| Jun | 80 | 53 | 1.2 | 6 | 13.9 | 41 |
| Jul | 91 | 61 | 0.5 | 4 | 14.3 | 32 |
| Aug | 89 | 60 | 0.6 | 4 | 12.9 | 34 |
| Sep | 79 | 51 | 1.0 | 5 | 11.5 | 41 |
| Oct | 63 | 40 | 1.2 | 6 | 9.5 | 54 |
| Nov | 46 | 30 | 1.2 | 7 | 7.5 | 67 |
| Dec | 34 | 21 | 1.5 | 9 | 6.3 | 76 |
Similar climates
Want a side-by-side climate view? Compare Blackfoot 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