Average annual temperature is 10.2 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -25.5 °C
Number of sunny days: 187 days
Number of rainy days: 157 days
Number of snow days: 21 days
Look at detailed online map of Town of Darien
* Weather data for Town of Darien 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) | 9.3 | 9.9 | 18.7 | 25.1 | 30.7 | 32.0 | 31.9 | 35.5 | 32.8 | 26.7 | 18.0 | 12.8 |
| Average daytime temperature (°C) | 1.3 | 3.1 | 6.1 | 14.7 | 21.8 | 26.9 | 27.8 | 26.8 | 23.4 | 15.4 | 8.0 | 5.2 |
| Average temperature (°C) | -2.2 | -1.9 | 1.1 | 8.6 | 15.1 | 20.5 | 22.5 | 21.6 | 18.7 | 11.5 | 3.6 | 1.9 |
| Average night temperature (°C) | -4.8 | -5.7 | -2.9 | 3.4 | 9.7 | 15.0 | 17.6 | 17.3 | 15.2 | 8.0 | 0.1 | -0.5 |
| Absolute minimum temperature (°C) | -25.5 | -23.1 | -12.7 | -2.7 | 0.2 | 6.6 | 13.0 | 10.4 | 9.7 | -2.8 | -12.2 | -8.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.5 | 7.1 | 6.5 | 8.4 | 10.7 | 11.9 | 12.2 | 11.1 | 8.2 | 7.0 | 6.7 | 3.8 |
| Precipitation (mm) | 63 | 92 | 83 | 104 | 49 | 39 | 81 | 121 | 122 | 95 | 46 | 67 |
| Sunny days | 13 | 17 | 12 | 15 | 21 | 19 | 14 | 16 | 13 | 12 | 21 | 14 |
| Rainy days | 9 | 9 | 13 | 15 | 10 | 11 | 17 | 15 | 17 | 18 | 8 | 15 |
| Snow days | 9 | 2 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 |
The best time to visit Town of Darien during the most sunny months:
Months with the longest average daylight duration in Town of Darien:
The largest precipitation sum in Town of Darien is at