Average annual temperature is 10.3 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -17.7 °C
Number of sunny days: 175 days
Number of rainy days: 181 days
Number of snow days: 9 days
Look at detailed online map of Rossland
* Weather data for Rossland 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) | 15.4 | 15.4 | 14.3 | 28.7 | 27.7 | 32.3 | 31.1 | 28.2 | 31.2 | 26.0 | 17.5 | 13.6 |
| Average daytime temperature (°C) | 5.2 | 6.2 | 7.6 | 16.7 | 20.4 | 23.5 | 27.3 | 24.8 | 21.8 | 16.8 | 8.3 | 5.9 |
| Average temperature (°C) | 1.7 | 0.8 | 2.2 | 10.2 | 13.7 | 17.8 | 21.8 | 19.8 | 17.0 | 12.0 | 3.4 | 2.2 |
| Average night temperature (°C) | -1.3 | -3.4 | -2.0 | 5.0 | 7.5 | 12.8 | 17.3 | 15.8 | 13.2 | 8.1 | -0.3 | -0.7 |
| Absolute minimum temperature (°C) | -6.7 | -17.7 | -7.6 | -3.2 | 1.6 | 7.6 | 12.9 | 12.2 | 7.4 | 0.7 | -6.9 | -6.7 |
| 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) | 4.6 | 6.8 | 7.3 | 8.5 | 11.9 | 10.5 | 11.8 | 10.1 | 8.1 | 7.9 | 7.5 | 4.1 |
| Precipitation (mm) | 126 | 43 | 102 | 125 | 49 | 134 | 123 | 92 | 135 | 65 | 70 | 185 |
| Sunny days | 12 | 17 | 11 | 16 | 22 | 11 | 7 | 10 | 15 | 19 | 20 | 15 |
| Rainy days | 18 | 7 | 18 | 14 | 9 | 19 | 24 | 21 | 15 | 12 | 10 | 14 |
| Snow days | 1 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Rossland during the most sunny months:
The largest precipitation sum in Rossland is at