Average annual temperature is 12.5 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -9.5 °C
Number of sunny days: 149 days
Number of rainy days: 207 days
Number of snow days: 9 days
Look at detailed online map of Harmon
* Weather data for Harmon 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) | 18.5 | 23.5 | 24.0 | 26.3 | 25.9 | 29.2 | 31.9 | 31.1 | 30.0 | 26.3 | 22.8 | 16.5 |
| Average daytime temperature (°C) | 9.7 | 12.6 | 13.2 | 18.7 | 20.5 | 23.7 | 28.3 | 26.7 | 24.5 | 18.7 | 13.6 | 9.6 |
| Average temperature (°C) | 4.4 | 7.3 | 7.2 | 12.1 | 14.8 | 18.1 | 22.4 | 21.3 | 18.2 | 12.6 | 6.9 | 4.3 |
| Average night temperature (°C) | 0.7 | 2.9 | 2.5 | 6.7 | 10.1 | 13.3 | 17.8 | 16.9 | 13.2 | 7.7 | 2.1 | 0.4 |
| Absolute minimum temperature (°C) | -8.5 | -9.5 | -8.8 | -1.3 | 3.2 | 7.3 | 13.3 | 12.3 | 9.2 | 0.9 | -6.3 | -7.0 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 4.3 | 5.9 | 8.1 | 9.3 | 10.1 | 11.0 | 11.7 | 10.0 | 10.4 | 8.4 | 7.8 | 5.8 |
| Precipitation (mm) | 112 | 139 | 109 | 102 | 89 | 78 | 73 | 116 | 67 | 47 | 53 | 96 |
| Sunny days | 11 | 12 | 13 | 15 | 9 | 9 | 5 | 10 | 14 | 18 | 18 | 15 |
| Rainy days | 18 | 14 | 17 | 15 | 22 | 21 | 26 | 21 | 16 | 13 | 10 | 14 |
| Snow days | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The best time to visit Harmon during the most sunny months:
The largest precipitation sum in Harmon is at