Average annual temperature is 10.8 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -26.3 °C
Number of sunny days: 181 days
Number of rainy days: 160 days
Number of snow days: 24 days
Look at detailed online map of Shannon
* Weather data for Shannon 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) | 9.1 | 11.6 | 20.5 | 24.9 | 31.1 | 32.9 | 34.1 | 35.8 | 33.5 | 27.9 | 18.0 | 12.9 |
| Average daytime temperature (°C) | 1.6 | 3.9 | 7.0 | 15.8 | 23.0 | 28.1 | 28.7 | 27.8 | 24.5 | 16.4 | 8.9 | 5.9 |
| Average temperature (°C) | -2.2 | -1.5 | 1.9 | 9.3 | 16.6 | 21.8 | 23.1 | 22.4 | 19.4 | 12.0 | 4.1 | 2.3 |
| Average night temperature (°C) | -4.9 | -5.7 | -1.8 | 4.0 | 10.6 | 15.8 | 17.9 | 17.7 | 15.3 | 8.3 | 0.4 | -0.2 |
| Absolute minimum temperature (°C) | -26.3 | -23.0 | -12.5 | -2.1 | 1.0 | 7.2 | 13.8 | 10.5 | 9.3 | -3.0 | -12.4 | -8.2 |
| 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 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.9 | 7.3 | 6.8 | 9.1 | 11.1 | 12.3 | 12.2 | 11.3 | 8.9 | 7.2 | 7.1 | 4.1 |
| Precipitation (mm) | 75 | 94 | 87 | 91 | 42 | 27 | 82 | 39 | 107 | 108 | 37 | 61 |
| Sunny days | 13 | 16 | 12 | 16 | 21 | 15 | 12 | 17 | 9 | 14 | 21 | 15 |
| Rainy days | 8 | 8 | 16 | 14 | 10 | 15 | 19 | 14 | 21 | 15 | 7 | 13 |
| Snow days | 10 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 3 |
The best time to visit Shannon during the most sunny months:
The largest precipitation sum in Shannon is at