Average annual temperature is 11.6 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -19.2 °C
Number of sunny days: 164 days
Number of rainy days: 192 days
Number of snow days: 9 days
Look at detailed online map of Stanwich
* Weather data for Stanwich 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) | 18.0 | 18.4 | 14.6 | 31.7 | 28.4 | 33.0 | 31.8 | 30.5 | 34.3 | 27.1 | 18.2 | 15.2 |
| Average daytime temperature (°C) | 7.3 | 6.8 | 9.1 | 17.5 | 20.6 | 24.5 | 28.4 | 26.1 | 22.9 | 18.1 | 9.8 | 8.2 |
| Average temperature (°C) | 3.4 | 1.9 | 3.9 | 11.4 | 14.5 | 18.7 | 23.3 | 21.3 | 18.3 | 13.4 | 4.9 | 3.9 |
| Average night temperature (°C) | 0.1 | -2.3 | -0.5 | 6.5 | 8.7 | 14.0 | 19.5 | 17.3 | 14.9 | 9.6 | 1.1 | 0.7 |
| Absolute minimum temperature (°C) | -5.3 | -19.2 | -5.8 | -2.4 | 3.1 | 7.7 | 15.5 | 14.0 | 8.5 | 3.7 | -5.2 | -6.5 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 4.9 | 6.4 | 7.5 | 8.8 | 12.2 | 10.6 | 11.4 | 10.2 | 7.7 | 7.5 | 7.3 | 5.0 |
| Precipitation (mm) | 139 | 52 | 106 | 144 | 56 | 77 | 162 | 111 | 283 | 87 | 64 | 214 |
| Sunny days | 12 | 15 | 12 | 14 | 18 | 11 | 9 | 9 | 13 | 16 | 17 | 18 |
| Rainy days | 18 | 10 | 16 | 16 | 13 | 19 | 22 | 22 | 17 | 15 | 12 | 12 |
| Snow days | 1 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Stanwich during the most sunny months:
The largest precipitation sum in Stanwich is at