Average annual temperature is 20.0 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: -5.7 °C
Number of sunny days: 204 days
Number of rainy days: 161 days
Look at detailed online map of Harper
* Weather data for Harper 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) | 27.8 | 28.7 | 31.5 | 33.4 | 33.4 | 39.6 | 38.2 | 39.9 | 38.9 | 30.9 | 27.9 | 24.4 |
| Average daytime temperature (°C) | 18.0 | 18.4 | 23.7 | 24.9 | 28.2 | 34.4 | 35.7 | 37.8 | 33.7 | 25.2 | 18.3 | 17.1 |
| Average temperature (°C) | 11.7 | 11.1 | 16.4 | 18.1 | 22.2 | 27.8 | 29.4 | 31.0 | 27.5 | 19.9 | 13.2 | 11.5 |
| Average night temperature (°C) | 7.1 | 6.5 | 11.5 | 13.2 | 17.6 | 21.8 | 23.0 | 24.0 | 21.8 | 15.5 | 9.5 | 7.3 |
| Absolute minimum temperature (°C) | -4.4 | -5.7 | 2.2 | 7.5 | 13.8 | 16.9 | 21.3 | 21.5 | 19.0 | 1.4 | 0.6 | -0.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.3 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.9 | 7.6 | 7.6 | 8.5 | 9.7 | 12.0 | 12.1 | 12.0 | 10.7 | 8.9 | 6.1 | 7.5 |
| Precipitation (mm) | 22 | 27 | 43 | 58 | 131 | 17 | 6 | 9 | 62 | 105 | 42 | 17 |
| Sunny days | 21 | 15 | 15 | 10 | 6 | 17 | 23 | 25 | 15 | 16 | 18 | 23 |
| Rainy days | 10 | 13 | 16 | 20 | 25 | 13 | 8 | 6 | 15 | 15 | 12 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Harper during the most sunny months:
The largest precipitation sum in Harper is at