Average annual temperature is 6.9 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: -26.6 °C
Number of sunny days: 183 days
Number of rainy days: 118 days
Number of snow days: 64 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) | 7.3 | 8.5 | 9.5 | 22.2 | 27.6 | 28.0 | 34.9 | 35.0 | 27.9 | 24.2 | 13.7 | 13.7 |
| Average daytime temperature (°C) | 0.3 | 2.4 | 3.6 | 10.2 | 20.9 | 22.1 | 29.2 | 27.7 | 22.2 | 14.7 | 7.4 | 5.2 |
| Average temperature (°C) | -5.2 | -4.1 | -2.7 | 3.1 | 13.5 | 15.5 | 20.9 | 20.0 | 14.4 | 6.8 | 1.4 | -1.3 |
| Average night temperature (°C) | -9.5 | -8.9 | -7.4 | -2.2 | 6.7 | 9.1 | 11.8 | 12.7 | 7.6 | 0.9 | -3.2 | -6.1 |
| Absolute minimum temperature (°C) | -26.6 | -24.4 | -12.7 | -9.2 | 0.2 | 2.6 | 7.9 | 9.0 | 1.8 | -19.6 | -10.2 | -14.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.0 | 15.8 | 15.4 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 5.3 | 7.2 | 8.3 | 9.9 | 12.2 | 12.4 | 14.0 | 11.3 | 9.8 | 8.0 | 6.6 | 5.7 |
| Precipitation (mm) | 31 | 31 | 40 | 39 | 52 | 80 | 3 | 52 | 29 | 43 | 28 | 16 |
| Sunny days | 16 | 12 | 13 | 11 | 10 | 4 | 25 | 17 | 20 | 18 | 16 | 21 |
| Rainy days | 4 | 2 | 3 | 6 | 21 | 26 | 6 | 14 | 10 | 10 | 11 | 5 |
| Snow days | 11 | 14 | 15 | 13 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 5 |
The best time to visit Iris during the most sunny months:
Months with the longest average daylight duration in Iris:
The largest precipitation sum in Iris is at