Average annual temperature is 15.7 °C
Absolute maximum temperature: 40.0 °C
Absolute minimum temperature: -8.2 °C
Number of sunny days: 205 days
Number of rainy days: 158 days
Number of snow days: 2 days
Look at detailed online map of Big Flat
* Weather data for Big Flat 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) | 20.3 | 21.8 | 24.1 | 26.3 | 31.6 | 36.4 | 36.9 | 40.0 | 33.2 | 30.7 | 26.2 | 17.8 |
| Average daytime temperature (°C) | 10.6 | 13.3 | 15.6 | 20.1 | 26.5 | 30.7 | 32.8 | 32.5 | 29.2 | 22.0 | 15.4 | 11.7 |
| Average temperature (°C) | 5.5 | 7.3 | 9.1 | 14.1 | 19.7 | 23.9 | 26.5 | 26.3 | 22.5 | 16.5 | 9.5 | 6.7 |
| Average night temperature (°C) | 1.5 | 3.0 | 4.4 | 9.0 | 14.0 | 18.0 | 21.5 | 21.5 | 16.9 | 12.3 | 5.2 | 3.0 |
| Absolute minimum temperature (°C) | -7.4 | -8.2 | -6.9 | 2.8 | 5.6 | 13.1 | 15.6 | 14.6 | 11.1 | -2.7 | -4.2 | -4.0 |
| 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 | 14.6 | 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) | 6.0 | 6.8 | 8.0 | 9.4 | 11.1 | 12.8 | 11.3 | 11.2 | 11.0 | 8.1 | 7.8 | 6.7 |
| Precipitation (mm) | 108 | 144 | 211 | 38 | 83 | 113 | 95 | 51 | 26 | 91 | 37 | 45 |
| Sunny days | 17 | 17 | 15 | 21 | 15 | 12 | 10 | 17 | 21 | 20 | 21 | 19 |
| Rainy days | 14 | 10 | 16 | 9 | 16 | 18 | 21 | 14 | 9 | 11 | 9 | 11 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Big Flat during the most sunny months:
The largest precipitation sum in Big Flat is at