Average annual temperature is 11.8 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: -11.1 °C
Number of sunny days: 218 days
Number of rainy days: 126 days
Number of snow days: 21 days
Look at detailed online map of Boise Junction
* Weather data for Boise Junction 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) | 11.5 | 11.6 | 13.1 | 30.9 | 32.1 | 33.7 | 39.5 | 39.7 | 32.5 | 28.9 | 17.1 | 13.4 |
| Average daytime temperature (°C) | 5.1 | 7.0 | 8.0 | 15.6 | 25.0 | 26.6 | 35.5 | 33.0 | 27.5 | 19.1 | 10.1 | 5.1 |
| Average temperature (°C) | 0.7 | 0.8 | 2.7 | 8.7 | 17.6 | 19.3 | 27.2 | 25.1 | 19.4 | 12.5 | 5.0 | 1.3 |
| Average night temperature (°C) | -2.5 | -3.4 | -1.3 | 3.2 | 10.8 | 12.8 | 18.5 | 18.2 | 12.9 | 7.2 | 0.9 | -1.6 |
| Absolute minimum temperature (°C) | -11.1 | -8.4 | -4.6 | -4.4 | 3.0 | 5.4 | 13.6 | 12.2 | 6.4 | -4.6 | -7.8 | -6.1 |
| 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 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| 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) | 6.0 | 7.5 | 7.1 | 9.7 | 12.0 | 11.8 | 13.5 | 11.6 | 10.3 | 8.5 | 7.2 | 5.1 |
| Precipitation (mm) | 40 | 14 | 83 | 21 | 46 | 29 | 0 | 19 | 15 | 29 | 26 | 55 |
| Sunny days | 15 | 14 | 7 | 13 | 15 | 16 | 30 | 20 | 25 | 23 | 22 | 18 |
| Rainy days | 11 | 8 | 18 | 15 | 16 | 14 | 1 | 11 | 5 | 8 | 8 | 11 |
| Snow days | 5 | 6 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Boise Junction during the most sunny months:
Months with the longest average daylight duration in Boise Junction:
The largest precipitation sum in Boise Junction is at