Average annual temperature is 5.7 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -32.7 °C
Number of sunny days: 130 days
Number of rainy days: 174 days
Number of snow days: 61 days
Look at detailed online map of Shannon
* Weather data for Shannon Canada is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 3.7 | 5.0 | 5.4 | 16.9 | 29.5 | 31.9 | 30.0 | 24.6 | 29.7 | 25.0 | 11.6 | 10.0 |
| Average daytime temperature (°C) | -4.0 | -5.7 | 2.1 | 9.1 | 17.6 | 20.9 | 24.5 | 21.3 | 21.1 | 14.3 | 1.9 | -0.6 |
| Average temperature (°C) | -7.8 | -10.5 | -2.3 | 3.8 | 10.9 | 16.1 | 20.1 | 16.7 | 15.8 | 10.3 | -2.1 | -4.4 |
| Average night temperature (°C) | -11.9 | -14.8 | -6.2 | -0.7 | 5.2 | 12.0 | 16.3 | 12.8 | 11.5 | 7.2 | -5.1 | -8.2 |
| Absolute minimum temperature (°C) | -19.6 | -32.7 | -14.0 | -11.1 | -2.3 | 5.1 | 10.9 | 8.0 | 4.2 | -3.9 | -14.8 | -22.1 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.1 | 15.8 | 15.4 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.7 | 5.4 | 6.6 | 7.9 | 10.5 | 8.6 | 9.7 | 9.0 | 8.1 | 4.9 | 5.0 | 3.4 |
| Precipitation (mm) | 95 | 89 | 71 | 111 | 66 | 140 | 288 | 200 | 107 | 141 | 88 | 103 |
| Sunny days | 10 | 6 | 13 | 12 | 16 | 8 | 1 | 6 | 17 | 10 | 13 | 18 |
| Rainy days | 5 | 5 | 5 | 16 | 15 | 22 | 30 | 25 | 13 | 19 | 10 | 9 |
| Snow days | 16 | 17 | 13 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 4 |
The best time to visit Shannon during the most sunny months:
Months with the longest average daylight duration in Shannon:
The largest precipitation sum in Shannon is at