Average annual temperature is 13.4 °C
Absolute maximum temperature: 39.2 °C
Absolute minimum temperature: -17.0 °C
Number of sunny days: 239 days
Number of rainy days: 111 days
Number of snow days: 15 days
Look at detailed online map of Hartland
* Weather data for Hartland 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) | 17.8 | 22.5 | 26.6 | 31.8 | 33.0 | 34.9 | 37.9 | 39.2 | 38.2 | 29.9 | 26.7 | 21.1 |
| Average daytime temperature (°C) | 7.2 | 11.5 | 14.7 | 21.5 | 24.8 | 27.4 | 32.3 | 32.9 | 30.4 | 22.0 | 15.5 | 10.0 |
| Average temperature (°C) | 0.3 | 2.1 | 6.2 | 13.0 | 18.3 | 21.2 | 25.2 | 25.8 | 23.2 | 14.4 | 7.6 | 3.3 |
| Average night temperature (°C) | -4.3 | -4.1 | -0.2 | 6.1 | 12.6 | 15.7 | 19.0 | 19.4 | 16.8 | 7.7 | 1.7 | -1.3 |
| Absolute minimum temperature (°C) | -17.0 | -14.7 | -6.9 | -2.8 | 4.1 | 12.2 | 14.1 | 13.9 | 9.6 | -7.0 | -7.5 | -5.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.0 | 8.6 | 9.1 | 10.4 | 9.9 | 11.2 | 12.0 | 11.7 | 10.7 | 9.8 | 8.1 | 6.4 |
| Precipitation (mm) | 26 | 20 | 8 | 50 | 118 | 151 | 131 | 35 | 60 | 21 | 7 | 32 |
| Sunny days | 22 | 21 | 25 | 22 | 10 | 11 | 15 | 19 | 21 | 24 | 26 | 23 |
| Rainy days | 4 | 3 | 4 | 7 | 21 | 19 | 16 | 12 | 9 | 7 | 3 | 6 |
| Snow days | 5 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Hartland is at