Average annual temperature is 15.1 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: -8.9 °C
Number of sunny days: 202 days
Number of rainy days: 162 days
Number of snow days: 1 day
Look at detailed online map of Flat Run
* Weather data for Flat Run 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) | 19.8 | 24.9 | 27.5 | 31.1 | 30.2 | 32.2 | 38.9 | 37.4 | 36.9 | 28.9 | 27.1 | 19.1 |
| Average daytime temperature (°C) | 11.2 | 13.8 | 15.0 | 23.4 | 23.5 | 28.1 | 33.4 | 31.6 | 27.5 | 22.1 | 14.6 | 11.7 |
| Average temperature (°C) | 6.4 | 7.9 | 8.5 | 15.9 | 17.2 | 21.6 | 26.4 | 25.1 | 21.6 | 15.9 | 8.4 | 6.2 |
| Average night temperature (°C) | 2.7 | 3.1 | 3.0 | 9.8 | 11.5 | 15.8 | 21.1 | 20.0 | 16.7 | 11.1 | 3.6 | 2.2 |
| Absolute minimum temperature (°C) | -3.3 | -8.9 | -4.6 | 1.5 | 6.1 | 11.9 | 18.3 | 16.0 | 10.0 | 6.0 | -5.6 | -4.3 |
| 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) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 5.6 | 6.5 | 7.8 | 9.6 | 10.4 | 10.9 | 11.9 | 10.9 | 8.8 | 8.5 | 7.7 | 5.9 |
| Precipitation (mm) | 69 | 66 | 41 | 109 | 65 | 85 | 124 | 68 | 90 | 24 | 55 | 132 |
| Sunny days | 13 | 16 | 16 | 19 | 17 | 14 | 8 | 17 | 17 | 19 | 25 | 21 |
| Rainy days | 17 | 12 | 15 | 11 | 14 | 16 | 23 | 14 | 13 | 12 | 5 | 10 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Flat Run during the most sunny months:
The largest precipitation sum in Flat Run is at