Average annual temperature is 4.1 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -29.8 °C
Number of sunny days: 151 days
Number of rainy days: 145 days
Number of snow days: 69 days
Look at detailed online map of Deer Lodge County
* Weather data for Deer Lodge 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) | 4.4 | 6.6 | 5.7 | 15.1 | 24.3 | 23.1 | 31.5 | 33.1 | 26.3 | 22.3 | 11.2 | 10.6 |
| Average daytime temperature (°C) | -1.4 | 0.3 | 0.0 | 6.4 | 17.1 | 18.0 | 25.6 | 25.1 | 19.7 | 12.2 | 6.8 | 3.1 |
| Average temperature (°C) | -8.0 | -7.1 | -6.0 | -0.3 | 9.8 | 11.8 | 17.4 | 17.1 | 11.5 | 4.4 | 0.1 | -2.8 |
| Average night temperature (°C) | -12.7 | -12.3 | -10.6 | -5.3 | 3.0 | 5.7 | 9.0 | 10.0 | 4.9 | -1.1 | -3.9 | -6.4 |
| Absolute minimum temperature (°C) | -29.8 | -28.8 | -16.4 | -14.6 | -3.1 | -1.7 | 5.3 | 6.7 | -1.4 | -20.7 | -12.0 | -16.3 |
| 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) | 9.1 | 10.3 | 11.9 | 13.6 | 15.0 | 15.7 | 15.4 | 14.1 | 12.6 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 5.5 | 7.3 | 7.9 | 10.0 | 12.1 | 11.5 | 13.8 | 11.4 | 10.1 | 7.6 | 6.7 | 5.8 |
| Precipitation (mm) | 37 | 23 | 50 | 42 | 108 | 71 | 42 | 45 | 84 | 52 | 15 | 19 |
| Sunny days | 14 | 13 | 10 | 14 | 7 | 2 | 9 | 14 | 13 | 17 | 18 | 20 |
| Rainy days | 2 | 3 | 1 | 7 | 24 | 28 | 22 | 17 | 17 | 10 | 11 | 3 |
| Snow days | 15 | 12 | 20 | 9 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 8 |
The best time to visit Deer Lodge County during the most sunny months:
Months with the longest average daylight duration in Deer Lodge County:
The largest precipitation sum in Deer Lodge County is at