Average annual temperature is 14.0 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -7.6 °C
Number of sunny days: 169 days
Number of rainy days: 189 days
Number of snow days: 7 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) | 17.7 | 23.8 | 24.0 | 28.5 | 30.3 | 33.2 | 33.5 | 34.6 | 34.3 | 29.5 | 25.5 | 17.7 |
| Average daytime temperature (°C) | 9.4 | 13.6 | 13.5 | 19.6 | 23.8 | 27.7 | 30.3 | 29.7 | 27.4 | 20.5 | 13.8 | 10.8 |
| Average temperature (°C) | 4.9 | 6.8 | 7.1 | 12.9 | 17.2 | 21.3 | 24.4 | 23.5 | 20.8 | 14.9 | 7.8 | 5.6 |
| Average night temperature (°C) | 1.6 | 2.0 | 2.3 | 7.2 | 11.7 | 15.8 | 19.8 | 18.6 | 15.4 | 10.6 | 3.6 | 2.2 |
| Absolute minimum temperature (°C) | -5.8 | -7.6 | -6.4 | -0.5 | 2.9 | 10.3 | 16.2 | 12.8 | 10.6 | 2.5 | -6.4 | -6.2 |
| 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) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 4.0 | 7.5 | 7.6 | 9.5 | 9.9 | 11.1 | 11.3 | 10.9 | 10.3 | 7.4 | 7.3 | 5.2 |
| Precipitation (mm) | 131 | 79 | 131 | 80 | 58 | 105 | 79 | 88 | 34 | 85 | 47 | 82 |
| Sunny days | 7 | 16 | 16 | 16 | 15 | 13 | 5 | 16 | 15 | 17 | 21 | 12 |
| Rainy days | 20 | 11 | 13 | 14 | 16 | 17 | 26 | 15 | 15 | 14 | 9 | 19 |
| Snow days | 4 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Shannon during the most sunny months:
The largest precipitation sum in Shannon is at