Average annual temperature is 4.8 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -34.5 °C
Number of sunny days: 178 days
Number of rainy days: 120 days
Number of snow days: 67 days
Look at detailed online map of Glacier County
* Weather data for Glacier 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) | 3.9 | 1.9 | 4.5 | 18.9 | 24.6 | 25.9 | 32.3 | 32.5 | 24.2 | 21.8 | 8.8 | 9.3 |
| Average daytime temperature (°C) | -1.7 | -2.7 | -3.0 | 6.5 | 17.9 | 19.8 | 24.8 | 25.2 | 17.9 | 9.7 | 3.5 | 3.1 |
| Average temperature (°C) | -5.1 | -6.7 | -7.4 | 0.9 | 11.2 | 13.7 | 17.5 | 17.6 | 11.8 | 4.0 | -0.2 | -0.3 |
| Average night temperature (°C) | -7.7 | -9.9 | -11.2 | -3.9 | 4.9 | 8.1 | 9.9 | 11.1 | 6.8 | 0.2 | -3.1 | -3.4 |
| Absolute minimum temperature (°C) | -25.4 | -34.5 | -20.7 | -13.6 | -1.5 | 1.2 | 4.5 | 5.4 | 0.9 | -16.5 | -11.6 | -8.3 |
| 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) | 8.8 | 10.2 | 11.9 | 13.7 | 15.3 | 16.1 | 15.7 | 14.3 | 12.6 | 10.8 | 9.2 | 8.3 |
| 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 | 5.3 | 8.4 | 9.9 | 11.4 | 12.2 | 14.0 | 11.8 | 9.5 | 6.5 | 5.8 | 4.5 |
| Precipitation (mm) | 19 | 43 | 29 | 45 | 59 | 70 | 16 | 48 | 39 | 46 | 30 | 25 |
| Sunny days | 19 | 13 | 12 | 15 | 9 | 8 | 15 | 17 | 19 | 16 | 17 | 18 |
| Rainy days | 0 | 0 | 2 | 4 | 22 | 22 | 16 | 14 | 11 | 12 | 12 | 5 |
| Snow days | 12 | 15 | 17 | 11 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 8 |
The best time to visit Glacier County during the most sunny months:
Months with the longest average daylight duration in Glacier County:
The largest precipitation sum in Glacier County is at