Average annual temperature is 20.7 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 1.6 °C
Number of sunny days: 168 days
Number of rainy days: 197 days
Look at detailed online map of River Junction
* Weather data for River 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) | 25.5 | 28.1 | 28.6 | 30.6 | 34.2 | 35.5 | 36.4 | 37.9 | 33.3 | 31.1 | 27.5 | 24.8 |
| Average daytime temperature (°C) | 19.2 | 22.4 | 23.9 | 26.6 | 28.8 | 30.9 | 33.2 | 35.0 | 30.5 | 25.9 | 20.4 | 16.8 |
| Average temperature (°C) | 13.9 | 16.6 | 18.1 | 20.6 | 23.0 | 25.6 | 27.9 | 29.1 | 25.1 | 20.5 | 15.3 | 12.4 |
| Average night temperature (°C) | 10.0 | 12.7 | 13.7 | 16.0 | 18.5 | 21.5 | 24.2 | 24.7 | 21.0 | 15.8 | 11.2 | 8.7 |
| Absolute minimum temperature (°C) | 1.6 | 2.0 | 2.0 | 10.0 | 13.5 | 18.7 | 22.1 | 22.3 | 17.5 | 9.3 | 3.2 | 1.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.5 | 8.2 | 8.8 | 9.7 | 10.3 | 10.6 | 11.2 | 11.1 | 9.7 | 9.1 | 7.1 | 6.5 |
| Precipitation (mm) | 186 | 76 | 80 | 93 | 94 | 187 | 139 | 118 | 123 | 31 | 99 | 222 |
| Sunny days | 18 | 13 | 14 | 12 | 14 | 4 | 4 | 9 | 14 | 26 | 20 | 20 |
| Rainy days | 13 | 15 | 17 | 18 | 17 | 26 | 27 | 22 | 16 | 5 | 10 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in River Junction is at