Average annual temperature is 16.0 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: -7.0 °C
Number of sunny days: 207 days
Number of rainy days: 158 days
Look at detailed online map of Heart
* Weather data for Heart 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) | 20.5 | 22.0 | 24.8 | 27.3 | 31.5 | 36.7 | 38.5 | 40.3 | 33.7 | 31.0 | 26.2 | 17.9 |
| Average daytime temperature (°C) | 10.8 | 13.7 | 15.8 | 20.7 | 27.1 | 31.1 | 33.5 | 32.9 | 29.7 | 22.6 | 15.6 | 11.9 |
| Average temperature (°C) | 5.7 | 7.6 | 9.4 | 14.5 | 20.3 | 24.4 | 27.1 | 26.5 | 22.8 | 16.9 | 9.7 | 7.0 |
| Average night temperature (°C) | 2.0 | 3.2 | 4.6 | 9.2 | 14.5 | 18.5 | 22.0 | 21.7 | 17.0 | 12.4 | 5.1 | 3.3 |
| Absolute minimum temperature (°C) | -6.0 | -7.0 | -6.4 | 2.8 | 6.6 | 13.7 | 16.7 | 15.3 | 11.5 | -2.5 | -3.4 | -3.7 |
| 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 | 14.4 | 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) | 5.6 | 7.2 | 7.7 | 9.6 | 10.8 | 12.6 | 11.3 | 10.6 | 10.9 | 8.0 | 7.7 | 6.8 |
| Precipitation (mm) | 135 | 126 | 215 | 48 | 99 | 53 | 53 | 70 | 32 | 57 | 35 | 48 |
| Sunny days | 16 | 15 | 14 | 22 | 15 | 16 | 9 | 17 | 20 | 19 | 22 | 22 |
| Rainy days | 15 | 13 | 17 | 8 | 16 | 14 | 22 | 14 | 10 | 12 | 8 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Heart during the most sunny months:
The largest precipitation sum in Heart is at