Average annual temperature is 14.8 °C
Absolute maximum temperature: 39.2 °C
Absolute minimum temperature: -12.9 °C
Number of sunny days: 240 days
Number of rainy days: 122 days
Number of snow days: 3 days
Look at detailed online map of Duquoin
* Weather data for Duquoin 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) | 14.8 | 20.0 | 25.9 | 31.2 | 32.1 | 37.0 | 36.9 | 39.2 | 36.9 | 30.4 | 21.4 | 18.0 |
| Average daytime temperature (°C) | 8.3 | 11.0 | 14.4 | 22.0 | 25.2 | 29.2 | 32.3 | 33.3 | 29.8 | 21.2 | 13.7 | 10.2 |
| Average temperature (°C) | 2.5 | 3.6 | 7.7 | 14.2 | 19.2 | 23.6 | 26.5 | 27.3 | 23.6 | 15.6 | 8.2 | 5.3 |
| Average night temperature (°C) | -1.5 | -1.8 | 2.4 | 8.3 | 14.1 | 18.7 | 21.5 | 21.7 | 18.6 | 10.9 | 3.6 | 1.7 |
| Absolute minimum temperature (°C) | -12.9 | -11.4 | -7.9 | -1.0 | 4.7 | 14.6 | 16.1 | 15.4 | 14.1 | -3.8 | -7.2 | -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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.3 | 8.9 | 9.0 | 10.0 | 10.6 | 11.9 | 11.9 | 12.1 | 10.1 | 8.5 | 7.8 | 6.1 |
| Precipitation (mm) | 27 | 25 | 9 | 23 | 81 | 84 | 125 | 62 | 40 | 45 | 40 | 50 |
| Sunny days | 24 | 24 | 18 | 21 | 15 | 14 | 16 | 23 | 23 | 20 | 23 | 19 |
| Rainy days | 6 | 4 | 13 | 9 | 16 | 16 | 15 | 8 | 7 | 11 | 6 | 11 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Duquoin during the most sunny months:
The largest precipitation sum in Duquoin is at