Average annual temperature is 6.2 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: -34.3 °C
Number of sunny days: 184 days
Number of rainy days: 122 days
Number of snow days: 59 days
Look at detailed online map of Heart Butte
* Weather data for Heart Butte United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 8.3 | 5.6 | 4.7 | 20.7 | 26.1 | 28.2 | 33.4 | 34.0 | 27.3 | 24.4 | 11.9 | 11.9 |
| Average daytime temperature (°C) | 0.1 | -0.7 | -1.7 | 8.5 | 19.0 | 20.9 | 26.9 | 26.7 | 20.0 | 11.5 | 6.0 | 5.4 |
| Average temperature (°C) | -3.5 | -4.9 | -6.5 | 2.3 | 12.2 | 14.6 | 19.1 | 18.8 | 13.3 | 5.3 | 1.6 | 1.2 |
| Average night temperature (°C) | -6.5 | -8.1 | -10.7 | -2.8 | 6.4 | 9.0 | 10.9 | 12.0 | 7.6 | 0.8 | -1.9 | -2.7 |
| Absolute minimum temperature (°C) | -26.5 | -34.3 | -20.2 | -15.5 | 1.5 | 1.3 | 6.7 | 7.7 | 1.0 | -15.4 | -11.1 | -9.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.2 | 11.9 | 13.7 | 15.2 | 16.0 | 15.6 | 14.3 | 12.6 | 10.8 | 9.3 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 5.2 | 5.7 | 8.3 | 9.4 | 10.7 | 11.4 | 14.1 | 11.1 | 8.9 | 6.6 | 5.9 | 5.1 |
| Precipitation (mm) | 23 | 37 | 33 | 54 | 82 | 65 | 5 | 37 | 54 | 38 | 30 | 12 |
| Sunny days | 18 | 15 | 12 | 13 | 11 | 7 | 21 | 20 | 17 | 14 | 18 | 18 |
| Rainy days | 2 | 3 | 1 | 7 | 20 | 23 | 10 | 11 | 13 | 14 | 11 | 7 |
| Snow days | 11 | 10 | 18 | 10 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 6 |
The best time to visit Heart Butte during the most sunny months:
Months with the longest average daylight duration in Heart Butte:
The largest precipitation sum in Heart Butte is at