Average annual temperature is 9.3 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -30.4 °C
Number of sunny days: 208 days
Number of rainy days: 114 days
Number of snow days: 43 days
Look at detailed online map of Big Horn County
* Weather data for Big Horn County 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) | 8.7 | 12.9 | 14.3 | 27.4 | 28.9 | 27.7 | 36.7 | 36.4 | 33.6 | 27.9 | 19.3 | 16.9 |
| Average daytime temperature (°C) | 2.2 | 2.9 | 3.0 | 13.8 | 22.9 | 24.1 | 30.5 | 30.6 | 26.3 | 15.4 | 11.6 | 7.8 |
| Average temperature (°C) | -3.0 | -3.5 | -3.0 | 6.3 | 16.1 | 18.1 | 23.1 | 23.0 | 18.6 | 8.5 | 4.7 | 1.7 |
| Average night temperature (°C) | -7.4 | -8.6 | -7.7 | 0.3 | 10.1 | 12.8 | 15.7 | 16.4 | 12.0 | 3.3 | -0.2 | -2.4 |
| Absolute minimum temperature (°C) | -25.6 | -30.4 | -16.4 | -9.6 | 4.3 | 9.3 | 9.6 | 12.5 | 7.4 | -12.7 | -7.4 | -9.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 5.8 | 6.9 | 7.7 | 9.7 | 10.8 | 10.8 | 13.1 | 11.2 | 10.7 | 7.5 | 7.3 | 6.4 |
| Precipitation (mm) | 27 | 43 | 46 | 31 | 56 | 117 | 21 | 29 | 39 | 42 | 5 | 12 |
| Sunny days | 22 | 16 | 15 | 17 | 11 | 3 | 21 | 21 | 22 | 16 | 23 | 21 |
| Rainy days | 1 | 3 | 2 | 11 | 20 | 27 | 10 | 10 | 8 | 11 | 6 | 5 |
| Snow days | 8 | 9 | 14 | 2 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 5 |
The best time to visit Big Horn County during the most sunny months:
Months with the longest average daylight duration in Big Horn County:
The largest precipitation sum in Big Horn County is at