Average annual temperature is 9 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: -26.5 °C
Number of sunny days: 201
Number of rainy days: 117
Number of snow days: 47
Average annual precipitation: 387 mm
Look at detailed online map of American Falls
* Weather data for American Falls United States is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 5.7 | 7.2 | 10.2 | 27.5 | 30.2 | 31.8 | 38.9 | 36.2 | 29.5 | 25.6 | 16.1 | 8.7 |
| Average daytime temperature (°C) | 0 | 1.7 | 3.8 | 13.5 | 22.8 | 25.3 | 35 | 30.2 | 24.4 | 16.5 | 8.3 | 3.7 |
| Average temperature (°C) | -4.2 | -4.8 | -1.7 | 6 | 15.6 | 18.1 | 26.6 | 22.5 | 16.8 | 9.5 | 2.7 | -1.2 |
| Average night temperature (°C) | -7.6 | -9.6 | -6 | 0 | 8.6 | 11.4 | 17.4 | 15.8 | 10.2 | 4.7 | -1.2 | -4 |
| Absolute minimum temperature (°C) | -26.5 | -19.9 | -18 | -5.9 | 1.4 | 4.8 | 13.5 | 10.4 | 4.1 | -5.4 | -9.6 | -11.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.9 | 11.2 | 12.7 | 14.1 | 15.1 | 15.3 | 15.3 | 14.5 | 13.2 | 11.8 | 10.3 | 9.3 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.3 | 15 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.1 | 10 | 11.2 | 12.7 | 14.1 | 15.1 | 14.5 | 13.2 | 11.8 | 10.4 | 9.3 | 9 |
| Sunshine mean duration (h) | 4.6 | 7.1 | 7.5 | 9.8 | 11.9 | 12.7 | 13.5 | 11.3 | 10.4 | 8.3 | 7.3 | 6.5 |
| Precipitation (mm) | 39 | 27 | 64 | 21 | 44 | 17 | 2 | 39 | 42 | 27 | 36 | 29 |
| Sunny days | 10 | 16 | 6 | 15 | 10 | 16 | 27 | 16 | 22 | 21 | 22 | 20 |
| Rainy days | 10 | 5 | 11 | 9 | 21 | 14 | 4 | 15 | 8 | 10 | 5 | 5 |
| Snow days | 11 | 7 | 14 | 6 | 3 | 6 |
The best time to visit American Falls during the most sunny months:
The largest precipitation sum in American Falls is at