Average annual temperature is 18.3 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: -3.8 °C
Number of sunny days: 196 days
Number of rainy days: 169 days
Look at detailed online map of Duncan
* Weather data for Duncan 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) | 22.2 | 24.2 | 26.2 | 28.0 | 32.2 | 36.9 | 36.5 | 38.2 | 34.1 | 32.5 | 27.4 | 20.7 |
| Average daytime temperature (°C) | 14.2 | 16.1 | 18.1 | 22.5 | 28.1 | 32.1 | 33.1 | 33.6 | 30.3 | 24.3 | 17.2 | 14.0 |
| Average temperature (°C) | 9.5 | 10.4 | 12.9 | 16.5 | 22.3 | 26.4 | 27.7 | 28.2 | 24.6 | 19.2 | 12.0 | 9.1 |
| Average night temperature (°C) | 5.9 | 6.5 | 8.4 | 11.7 | 17.1 | 21.2 | 23.5 | 23.8 | 19.8 | 14.8 | 7.9 | 5.3 |
| Absolute minimum temperature (°C) | -3.1 | -3.8 | -3.1 | 5.7 | 9.0 | 18.1 | 19.0 | 18.0 | 14.7 | 1.3 | -0.3 | -1.6 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.0 | 6.2 | 7.8 | 8.3 | 11.1 | 12.4 | 11.4 | 11.2 | 10.7 | 8.1 | 7.8 | 7.2 |
| Precipitation (mm) | 172 | 97 | 177 | 168 | 42 | 70 | 140 | 96 | 28 | 88 | 53 | 92 |
| Sunny days | 14 | 15 | 14 | 14 | 16 | 11 | 14 | 17 | 17 | 20 | 22 | 22 |
| Rainy days | 17 | 13 | 17 | 16 | 15 | 19 | 17 | 14 | 13 | 11 | 8 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Duncan during the most sunny months:
The largest precipitation sum in Duncan is at