Average annual temperature is 2.9 °C
Absolute maximum temperature: 30.2 °C
Absolute minimum temperature: -23.6 °C
Number of sunny days: 196 days
Number of rainy days: 95 days
Number of snow days: 74 days
Look at detailed online map of Iris
* Weather data for Iris 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) | 1.2 | 2.6 | 6.1 | 11.9 | 18.7 | 26.0 | 30.2 | 28.8 | 26.4 | 19.1 | 12.8 | 1.1 |
| Average daytime temperature (°C) | -4.8 | -3.4 | -1.6 | 4.6 | 14.3 | 19.4 | 27.5 | 25.0 | 20.3 | 13.5 | 4.3 | -2.6 |
| Average temperature (°C) | -9.5 | -9.6 | -7.3 | -2.1 | 6.8 | 11.4 | 19.4 | 16.9 | 12.4 | 5.7 | -2.0 | -7.9 |
| Average night temperature (°C) | -13.7 | -14.6 | -11.9 | -7.5 | -0.2 | 3.0 | 10.0 | 8.9 | 5.2 | -0.5 | -6.2 | -12.8 |
| Absolute minimum temperature (°C) | -23.6 | -21.6 | -21.6 | -17.9 | -4.4 | -0.4 | 5.7 | 5.4 | 0.6 | -15.4 | -15.3 | -22.8 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 7.7 | 9.1 | 9.4 | 11.5 | 12.2 | 12.9 | 13.4 | 12.2 | 11.0 | 10.0 | 8.6 | 7.7 |
| Precipitation (mm) | 20 | 23 | 58 | 34 | 58 | 40 | 3 | 33 | 21 | 42 | 9 | 25 |
| Sunny days | 13 | 16 | 10 | 18 | 4 | 11 | 24 | 17 | 19 | 22 | 23 | 19 |
| Rainy days | 1 | 0 | 2 | 4 | 27 | 19 | 7 | 14 | 11 | 9 | 0 | 1 |
| Snow days | 17 | 12 | 19 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 11 |
The best time to visit Iris during the most sunny months:
The largest precipitation sum in Iris is at