Average annual temperature is 12.9 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: -9.9 °C
Number of sunny days: 162 days
Number of rainy days: 196 days
Number of snow days: 7 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) | 16.2 | 22.2 | 23.9 | 28.4 | 28.7 | 32.8 | 32.6 | 32.0 | 32.8 | 28.3 | 19.9 | 17.0 |
| Average daytime temperature (°C) | 8.6 | 12.2 | 12.1 | 19.1 | 22.1 | 26.2 | 29.3 | 27.6 | 25.3 | 19.1 | 12.3 | 9.5 |
| Average temperature (°C) | 4.0 | 5.3 | 5.7 | 12.2 | 15.8 | 19.9 | 23.5 | 22.1 | 19.5 | 13.8 | 6.6 | 5.1 |
| Average night temperature (°C) | 0.7 | 0.6 | 1.0 | 6.4 | 10.2 | 14.5 | 19.1 | 17.5 | 15.0 | 9.8 | 2.4 | 2.0 |
| Absolute minimum temperature (°C) | -6.5 | -9.9 | -7.8 | -1.0 | 2.4 | 9.1 | 15.1 | 12.1 | 9.7 | 1.0 | -6.9 | -4.9 |
| 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) | 3.2 | 6.8 | 7.1 | 8.7 | 10.1 | 11.0 | 11.3 | 10.9 | 9.3 | 7.3 | 7.1 | 5.0 |
| Precipitation (mm) | 121 | 71 | 145 | 84 | 76 | 95 | 118 | 95 | 41 | 86 | 49 | 88 |
| Sunny days | 10 | 14 | 14 | 16 | 16 | 13 | 7 | 12 | 13 | 13 | 21 | 13 |
| Rainy days | 19 | 12 | 16 | 14 | 15 | 17 | 24 | 19 | 17 | 18 | 8 | 17 |
| Snow days | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Flag during the most sunny months:
The largest precipitation sum in Flag is at