Average annual temperature is 10.5 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: -24.6 °C
Number of sunny days: 214 days
Number of rainy days: 120 days
Number of snow days: 31 days
Look at detailed online map of Iliff
* Weather data for Iliff 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) | 9.5 | 14.1 | 20.7 | 29.7 | 28.9 | 32.2 | 36.0 | 38.1 | 36.1 | 31.0 | 21.5 | 17.3 |
| Average daytime temperature (°C) | 1.0 | 7.8 | 9.4 | 17.8 | 22.9 | 26.1 | 30.4 | 31.3 | 28.1 | 18.5 | 13.1 | 9.1 |
| Average temperature (°C) | -4.0 | -1.4 | 1.5 | 8.9 | 16.0 | 19.6 | 22.7 | 23.9 | 20.2 | 10.9 | 5.2 | 1.8 |
| Average night temperature (°C) | -8.6 | -7.0 | -4.0 | 1.6 | 9.9 | 13.9 | 16.2 | 17.3 | 13.1 | 5.0 | -0.4 | -2.6 |
| Absolute minimum temperature (°C) | -21.9 | -24.6 | -8.5 | -6.7 | 1.8 | 10.1 | 11.9 | 11.6 | 8.0 | -8.2 | -8.0 | -5.6 |
| 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 | 15.0 | 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) | 5.9 | 8.2 | 8.8 | 9.8 | 10.6 | 11.6 | 12.2 | 12.0 | 10.8 | 9.1 | 7.6 | 6.8 |
| Precipitation (mm) | 54 | 11 | 22 | 19 | 128 | 105 | 57 | 40 | 23 | 40 | 8 | 12 |
| Sunny days | 17 | 19 | 17 | 18 | 9 | 7 | 16 | 18 | 21 | 23 | 26 | 23 |
| Rainy days | 3 | 3 | 6 | 12 | 22 | 23 | 15 | 13 | 9 | 6 | 4 | 4 |
| Snow days | 11 | 6 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 4 |
The best time to visit Iliff during the most sunny months:
The largest precipitation sum in Iliff is at