Average annual temperature is 13.6 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: -14.7 °C
Number of sunny days: 197 days
Number of rainy days: 164 days
Number of snow days: 4 days
Look at detailed online map of Heather
* Weather data for Heather 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) | 16.6 | 17.0 | 22.7 | 29.0 | 31.2 | 32.9 | 37.5 | 37.7 | 33.7 | 29.9 | 22.8 | 16.6 |
| Average daytime temperature (°C) | 6.1 | 9.6 | 10.9 | 19.9 | 25.7 | 29.8 | 31.1 | 29.4 | 27.7 | 19.8 | 12.6 | 8.8 |
| Average temperature (°C) | 1.3 | 3.0 | 5.1 | 12.7 | 19.2 | 23.6 | 25.2 | 24.3 | 21.4 | 14.8 | 7.3 | 4.8 |
| Average night temperature (°C) | -1.8 | -1.8 | 1.2 | 6.8 | 13.3 | 17.9 | 20.2 | 20.3 | 16.4 | 10.7 | 3.0 | 2.0 |
| Absolute minimum temperature (°C) | -12.6 | -14.7 | -9.6 | -0.3 | 5.4 | 10.3 | 16.1 | 13.8 | 11.9 | -2.1 | -7.5 | -5.7 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 5.7 | 7.7 | 7.0 | 10.4 | 11.5 | 12.5 | 12.1 | 10.2 | 10.1 | 7.4 | 7.6 | 5.2 |
| Precipitation (mm) | 46 | 98 | 93 | 24 | 79 | 34 | 57 | 139 | 26 | 65 | 16 | 82 |
| Sunny days | 18 | 18 | 15 | 19 | 20 | 14 | 12 | 11 | 17 | 16 | 22 | 15 |
| Rainy days | 11 | 9 | 15 | 11 | 11 | 16 | 19 | 20 | 13 | 15 | 8 | 16 |
| Snow days | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Heather during the most sunny months:
The largest precipitation sum in Heather is at