Average annual temperature is 16.0 °C
Absolute maximum temperature: 39.2 °C
Absolute minimum temperature: -7.4 °C
Number of sunny days: 192 days
Number of rainy days: 171 days
Number of snow days: 2 days
Look at detailed online map of Flag
* Weather data for Flag 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) | 19.3 | 21.4 | 23.8 | 26.5 | 30.9 | 36.1 | 36.6 | 39.2 | 34.2 | 30.5 | 25.5 | 16.4 |
| Average daytime temperature (°C) | 10.7 | 13.3 | 15.6 | 20.0 | 25.9 | 30.5 | 33.0 | 32.4 | 29.3 | 22.0 | 15.4 | 11.6 |
| Average temperature (°C) | 5.9 | 7.6 | 9.4 | 14.3 | 20.0 | 24.2 | 26.7 | 26.6 | 23.0 | 16.7 | 9.9 | 7.0 |
| Average night temperature (°C) | 2.4 | 3.5 | 4.9 | 9.6 | 14.9 | 18.9 | 22.1 | 22.1 | 17.9 | 13.0 | 5.7 | 3.7 |
| Absolute minimum temperature (°C) | -7.2 | -7.4 | -6.5 | 4.0 | 6.8 | 13.7 | 16.9 | 15.6 | 14.7 | -2.0 | -3.5 | -3.3 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.9 | 6.5 | 7.9 | 9.3 | 11.0 | 12.7 | 11.5 | 11.2 | 10.9 | 7.9 | 8.0 | 6.8 |
| Precipitation (mm) | 112 | 172 | 237 | 68 | 120 | 102 | 98 | 50 | 24 | 102 | 43 | 66 |
| Sunny days | 17 | 14 | 14 | 15 | 14 | 16 | 10 | 13 | 21 | 17 | 21 | 20 |
| Rainy days | 13 | 14 | 17 | 15 | 17 | 14 | 21 | 18 | 9 | 14 | 9 | 10 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Flag during the most sunny months:
The largest precipitation sum in Flag is at