Average annual temperature is 10.0 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -18.6 °C
Number of sunny days: 213 days
Number of rainy days: 104 days
Number of snow days: 48 days
Look at detailed online map of Copper Basin
* Weather data for Copper Basin 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) | 5.0 | 6.8 | 6.7 | 26.0 | 28.0 | 29.2 | 37.8 | 33.1 | 29.1 | 22.7 | 17.0 | 10.4 |
| Average daytime temperature (°C) | -0.8 | 1.2 | 1.7 | 12.7 | 20.2 | 22.5 | 33.4 | 29.1 | 23.3 | 15.9 | 8.5 | 5.4 |
| Average temperature (°C) | -3.5 | -2.0 | -1.8 | 6.9 | 14.5 | 16.8 | 27.3 | 23.6 | 17.9 | 11.5 | 5.3 | 2.6 |
| Average night temperature (°C) | -6.7 | -5.0 | -5.1 | 2.5 | 9.0 | 11.3 | 21.5 | 18.3 | 13.8 | 8.3 | 2.4 | 0.0 |
| Absolute minimum temperature (°C) | -18.6 | -13.4 | -10.9 | -13.0 | -0.3 | 4.2 | 16.4 | 12.6 | 4.0 | -5.5 | -6.7 | -7.0 |
| 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 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 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) | 5.8 | 8.5 | 8.7 | 11.1 | 11.9 | 13.2 | 13.2 | 11.9 | 10.9 | 9.3 | 8.0 | 6.8 |
| Precipitation (mm) | 47 | 29 | 51 | 19 | 56 | 61 | 2 | 22 | 43 | 31 | 18 | 12 |
| Sunny days | 13 | 16 | 9 | 18 | 11 | 14 | 28 | 20 | 20 | 21 | 23 | 20 |
| Rainy days | 5 | 2 | 7 | 8 | 20 | 16 | 3 | 11 | 10 | 10 | 6 | 6 |
| Snow days | 13 | 10 | 15 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The best time to visit Copper Basin during the most sunny months:
The largest precipitation sum in Copper Basin is at