Average annual temperature is 18.3 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: -3.5 °C
Number of sunny days: 196 days
Number of rainy days: 169 days
Look at detailed online map of Mount Adams
* Weather data for Mount Adams 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) | 22.2 | 24.1 | 26.2 | 27.6 | 31.8 | 37.1 | 36.5 | 38.5 | 34.1 | 32.3 | 27.3 | 20.7 |
| Average daytime temperature (°C) | 14.3 | 16.2 | 18.4 | 22.5 | 28.2 | 32.2 | 32.9 | 33.7 | 30.6 | 24.6 | 17.4 | 14.2 |
| Average temperature (°C) | 9.6 | 10.6 | 13.0 | 16.4 | 22.3 | 26.3 | 27.5 | 28.2 | 24.8 | 19.4 | 12.2 | 9.2 |
| Average night temperature (°C) | 6.0 | 6.8 | 8.6 | 11.7 | 17.2 | 21.2 | 23.3 | 23.7 | 20.0 | 15.1 | 8.0 | 5.5 |
| Absolute minimum temperature (°C) | -2.9 | -3.5 | -2.8 | 5.8 | 9.2 | 17.5 | 18.4 | 18.2 | 15.4 | 1.4 | -0.2 | -1.2 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 6.2 | 7.8 | 8.2 | 11.0 | 12.2 | 11.4 | 11.2 | 10.6 | 8.1 | 7.7 | 7.3 |
| Precipitation (mm) | 160 | 100 | 178 | 190 | 58 | 68 | 133 | 79 | 36 | 62 | 85 | 60 |
| Sunny days | 16 | 14 | 14 | 12 | 14 | 10 | 14 | 18 | 18 | 22 | 21 | 23 |
| Rainy days | 15 | 14 | 17 | 18 | 17 | 20 | 17 | 13 | 12 | 9 | 9 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Mount Adams during the most sunny months:
The largest precipitation sum in Mount Adams is at