Average annual temperature is 10.9 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: -8.3 °C
Number of sunny days: 213 days
Number of rainy days: 116 days
Number of snow days: 36 days
Look at detailed online map of Mount Shasta
* Weather data for Mount Shasta 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) | 12.6 | 13.9 | 9.6 | 25.7 | 28.6 | 33.3 | 37.7 | 37.2 | 30.2 | 26.3 | 19.0 | 13.6 |
| Average daytime temperature (°C) | 5.7 | 7.1 | 4.7 | 12.6 | 20.4 | 25.4 | 32.4 | 30.0 | 23.0 | 19.5 | 12.1 | 9.1 |
| Average temperature (°C) | 1.7 | 1.6 | 0.8 | 6.2 | 13.8 | 17.7 | 24.7 | 22.7 | 16.4 | 12.8 | 7.1 | 5.0 |
| Average night temperature (°C) | -0.6 | -1.6 | -1.7 | 2.1 | 8.3 | 11.3 | 17.3 | 16.5 | 11.5 | 8.5 | 4.1 | 2.4 |
| Absolute minimum temperature (°C) | -7.0 | -8.3 | -6.5 | -5.0 | -0.4 | 3.6 | 13.0 | 11.5 | 6.2 | -1.0 | -2.1 | -4.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.7 | 6.5 | 6.0 | 10.0 | 11.3 | 13.3 | 13.7 | 12.1 | 10.6 | 9.0 | 6.8 | 4.4 |
| Precipitation (mm) | 542 | 201 | 489 | 92 | 114 | 27 | 0 | 60 | 62 | 28 | 90 | 280 |
| Sunny days | 14 | 14 | 6 | 18 | 14 | 15 | 31 | 24 | 23 | 21 | 18 | 15 |
| Rainy days | 10 | 6 | 12 | 6 | 17 | 15 | 0 | 7 | 7 | 10 | 12 | 14 |
| Snow days | 7 | 8 | 13 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Mount Shasta during the most sunny months:
The largest precipitation sum in Mount Shasta is at