Average annual temperature is 13.5 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: -12.7 °C
Number of sunny days: 212 days
Number of rainy days: 141 days
Number of snow days: 12 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) | 12.7 | 17.4 | 23.5 | 29.0 | 32.6 | 36.4 | 36.0 | 37.6 | 34.3 | 32.9 | 23.1 | 15.5 |
| Average daytime temperature (°C) | 5.1 | 9.1 | 11.1 | 19.9 | 25.9 | 30.0 | 30.9 | 30.5 | 28.7 | 20.6 | 12.6 | 8.7 |
| Average temperature (°C) | 0.2 | 2.0 | 5.0 | 12.6 | 19.1 | 23.7 | 25.3 | 25.0 | 22.4 | 15.1 | 7.0 | 4.2 |
| Average night temperature (°C) | -3.3 | -3.0 | 0.7 | 6.9 | 13.3 | 18.1 | 20.5 | 20.6 | 17.1 | 10.4 | 2.8 | 0.9 |
| Absolute minimum temperature (°C) | -12.3 | -12.7 | -9.3 | -2.7 | 4.4 | 12.3 | 15.8 | 14.7 | 12.6 | -3.5 | -8.7 | -4.1 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 6.1 | 8.0 | 7.5 | 10.5 | 10.6 | 12.2 | 11.1 | 11.3 | 10.6 | 8.0 | 6.8 | 5.3 |
| Precipitation (mm) | 40 | 61 | 41 | 94 | 89 | 70 | 87 | 92 | 31 | 76 | 32 | 82 |
| Sunny days | 19 | 20 | 15 | 21 | 15 | 14 | 13 | 17 | 21 | 18 | 22 | 17 |
| Rainy days | 8 | 6 | 15 | 9 | 16 | 16 | 18 | 14 | 9 | 13 | 6 | 11 |
| Snow days | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The best time to visit Shannon during the most sunny months:
The largest precipitation sum in Shannon is at