Average annual temperature is 14.6 °C
Absolute maximum temperature: 39.2 °C
Absolute minimum temperature: -15.5 °C
Number of sunny days: 250 days
Number of rainy days: 107 days
Number of snow days: 8 days
Look at detailed online map of Dallam County
* Weather data for Dallam County 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) | 19.2 | 22.1 | 24.4 | 30.7 | 32.8 | 38.0 | 39.2 | 38.2 | 38.0 | 27.9 | 26.9 | 21.1 |
| Average daytime temperature (°C) | 10.2 | 13.7 | 16.7 | 22.7 | 26.1 | 29.3 | 34.1 | 34.1 | 30.3 | 21.3 | 15.8 | 11.6 |
| Average temperature (°C) | 3.3 | 4.8 | 8.2 | 13.7 | 18.8 | 21.8 | 26.4 | 26.8 | 23.1 | 14.3 | 8.3 | 4.7 |
| Average night temperature (°C) | -1.7 | -1.5 | 1.7 | 6.5 | 12.6 | 15.4 | 19.6 | 19.9 | 16.7 | 8.5 | 2.8 | 0.1 |
| Absolute minimum temperature (°C) | -15.5 | -10.4 | -6.4 | -3.1 | 6.9 | 10.8 | 15.6 | 15.9 | 11.2 | -6.4 | -5.1 | -5.9 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.7 | 8.9 | 9.9 | 11.2 | 10.6 | 11.8 | 12.3 | 11.9 | 10.4 | 9.5 | 8.1 | 7.9 |
| Precipitation (mm) | 9 | 18 | 5 | 34 | 94 | 85 | 35 | 7 | 40 | 44 | 8 | 42 |
| Sunny days | 25 | 23 | 24 | 24 | 11 | 10 | 17 | 23 | 21 | 24 | 25 | 23 |
| Rainy days | 4 | 2 | 6 | 6 | 20 | 20 | 14 | 8 | 9 | 7 | 4 | 7 |
| Snow days | 2 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The largest precipitation sum in Dallam County is at