Average annual temperature is 9.9 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: -12.3 °C
Number of sunny days: 206 days
Number of rainy days: 129 days
Number of snow days: 30 days
Look at detailed online map of Mammoth
* Weather data for Mammoth 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) | 9.5 | 13.1 | 7.8 | 27.6 | 30.5 | 34.0 | 38.5 | 36.3 | 30.2 | 26.6 | 18.0 | 13.2 |
| Average daytime temperature (°C) | 3.7 | 6.3 | 2.8 | 13.4 | 20.7 | 24.2 | 33.3 | 30.4 | 24.0 | 18.6 | 10.8 | 8.2 |
| Average temperature (°C) | -0.1 | 0.3 | -1.4 | 6.5 | 13.8 | 16.9 | 24.9 | 22.4 | 16.5 | 10.8 | 4.8 | 3.2 |
| Average night temperature (°C) | -2.8 | -3.5 | -5.1 | 1.3 | 8.1 | 10.7 | 16.4 | 15.5 | 10.1 | 5.3 | 0.8 | -0.1 |
| Absolute minimum temperature (°C) | -10.8 | -8.3 | -12.3 | -6.1 | -0.6 | 2.8 | 12.9 | 9.5 | 2.9 | -3.5 | -4.6 | -4.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.3 | 14.5 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.2 | 7.7 | 7.7 | 10.4 | 12.0 | 13.0 | 13.7 | 12.1 | 10.7 | 9.0 | 7.1 | 5.5 |
| Precipitation (mm) | 104 | 41 | 179 | 29 | 48 | 48 | 2 | 19 | 19 | 11 | 71 | 52 |
| Sunny days | 13 | 16 | 9 | 17 | 12 | 12 | 28 | 23 | 22 | 23 | 18 | 13 |
| Rainy days | 12 | 5 | 10 | 9 | 19 | 18 | 3 | 8 | 8 | 8 | 12 | 17 |
| Snow days | 6 | 7 | 12 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Mammoth during the most sunny months:
The largest precipitation sum in Mammoth is at