Average annual temperature is 9.3 °C
Absolute maximum temperature: 31.0 °C
Absolute minimum temperature: -23.1 °C
Number of sunny days: 131 days
Number of rainy days: 214 days
Number of snow days: 20 days
Look at detailed online map of Heart Lake
* Weather data for Heart Lake 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) | 12.9 | 15.0 | 13.9 | 27.7 | 28.4 | 30.6 | 31.0 | 27.5 | 30.4 | 26.6 | 16.0 | 11.6 |
| Average daytime temperature (°C) | 3.6 | 5.4 | 6.0 | 16.0 | 19.3 | 22.7 | 26.5 | 23.8 | 21.5 | 15.9 | 7.3 | 5.5 |
| Average temperature (°C) | 0.4 | -0.7 | 0.8 | 9.3 | 12.5 | 17.2 | 21.1 | 18.8 | 16.2 | 11.1 | 2.5 | 1.9 |
| Average night temperature (°C) | -2.5 | -5.3 | -3.3 | 4.2 | 6.0 | 12.3 | 16.8 | 14.8 | 12.2 | 7.5 | -0.9 | -0.6 |
| Absolute minimum temperature (°C) | -9.1 | -23.1 | -10.7 | -4.8 | -0.9 | 6.7 | 12.8 | 9.4 | 5.7 | -0.3 | -7.0 | -7.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.2 | 6.0 | 6.5 | 8.8 | 12.3 | 11.0 | 11.4 | 10.3 | 8.8 | 7.3 | 6.9 | 3.6 |
| Precipitation (mm) | 90 | 59 | 109 | 79 | 50 | 87 | 127 | 170 | 95 | 93 | 52 | 132 |
| Sunny days | 9 | 11 | 9 | 12 | 20 | 8 | 3 | 9 | 13 | 12 | 14 | 11 |
| Rainy days | 18 | 13 | 16 | 18 | 11 | 22 | 28 | 22 | 17 | 19 | 14 | 16 |
| Snow days | 4 | 4 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The best time to visit Heart Lake during the most sunny months:
The largest precipitation sum in Heart Lake is at