Average annual temperature is 9.4 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -26.8 °C
Number of sunny days: 128 days
Number of rainy days: 209 days
Number of snow days: 28 days
Look at detailed online map of Gananoque
* Weather data for Gananoque 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) | 6.8 | 11.5 | 9.5 | 27.1 | 25.4 | 31.9 | 30.8 | 26.4 | 28.3 | 26.2 | 12.9 | 9.4 |
| Average daytime temperature (°C) | 1.3 | 2.2 | 3.9 | 13.6 | 17.6 | 23.3 | 26.0 | 23.6 | 22.3 | 15.6 | 6.7 | 4.2 |
| Average temperature (°C) | -1.7 | -2.8 | 0.3 | 8.2 | 12.6 | 18.5 | 22.2 | 19.9 | 18.2 | 12.4 | 3.3 | 1.3 |
| Average night temperature (°C) | -4.2 | -6.6 | -2.6 | 3.8 | 8.1 | 14.6 | 19.0 | 16.9 | 14.8 | 9.8 | 0.3 | -1.1 |
| Absolute minimum temperature (°C) | -12.5 | -26.8 | -8.8 | -6.7 | 3.1 | 10.4 | 14.6 | 12.0 | 10.2 | 0.6 | -5.5 | -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) | 9.3 | 10.5 | 11.9 | 13.5 | 14.8 | 15.5 | 15.1 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 2.9 | 5.5 | 6.0 | 8.8 | 11.6 | 10.8 | 11.5 | 10.6 | 10.1 | 5.4 | 5.4 | 2.9 |
| Precipitation (mm) | 113 | 78 | 77 | 107 | 74 | 92 | 147 | 107 | 26 | 83 | 51 | 116 |
| Sunny days | 8 | 6 | 11 | 13 | 17 | 7 | 7 | 6 | 19 | 11 | 13 | 10 |
| Rainy days | 15 | 14 | 12 | 17 | 14 | 23 | 24 | 25 | 11 | 20 | 15 | 19 |
| Snow days | 8 | 8 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The best time to visit Gananoque during the most sunny months:
Months with the longest average daylight duration in Gananoque:
The largest precipitation sum in Gananoque is at