Average annual temperature is 11.4 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: -22.7 °C
Number of sunny days: 224 days
Number of rainy days: 118 days
Number of snow days: 23 days
Look at detailed online map of Heartwell
* Weather data for Heartwell 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) | 9.8 | 14.4 | 20.9 | 27.6 | 30.7 | 32.1 | 36.0 | 38.6 | 34.9 | 30.7 | 19.8 | 12.6 |
| Average daytime temperature (°C) | 0.8 | 4.5 | 9.2 | 18.3 | 24.5 | 28.0 | 29.7 | 31.0 | 28.1 | 18.6 | 12.3 | 5.5 |
| Average temperature (°C) | -3.8 | -2.3 | 2.0 | 10.9 | 18.2 | 22.0 | 23.8 | 24.7 | 21.5 | 12.5 | 6.0 | 0.9 |
| Average night temperature (°C) | -7.3 | -6.9 | -3.3 | 4.8 | 12.6 | 16.6 | 18.9 | 19.5 | 15.9 | 7.6 | 1.2 | -2.5 |
| Absolute minimum temperature (°C) | -22.7 | -19.7 | -11.3 | -5.5 | 2.7 | 10.6 | 12.9 | 13.0 | 9.6 | -7.7 | -6.0 | -9.1 |
| 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 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 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) | 6.0 | 8.0 | 8.7 | 10.7 | 10.8 | 12.2 | 12.1 | 11.4 | 10.5 | 7.9 | 7.1 | 4.6 |
| Precipitation (mm) | 52 | 34 | 43 | 8 | 48 | 92 | 99 | 32 | 15 | 56 | 14 | 48 |
| Sunny days | 20 | 19 | 21 | 25 | 13 | 12 | 10 | 19 | 22 | 19 | 23 | 21 |
| Rainy days | 4 | 4 | 7 | 4 | 18 | 18 | 21 | 12 | 8 | 11 | 4 | 7 |
| Snow days | 7 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 3 |
The best time to visit Heartwell during the most sunny months:
The largest precipitation sum in Heartwell is at