Average annual temperature is 7.2 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -30.1 °C
Number of sunny days: 139 days
Number of rainy days: 174 days
Number of snow days: 52 days
Look at detailed online map of Dundas
* Weather data for Dundas 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) | 11.3 | 9.7 | 7.6 | 17.6 | 30.3 | 34.6 | 32.7 | 25.2 | 30.2 | 24.6 | 13.5 | 14.5 |
| Average daytime temperature (°C) | 1.1 | -2.6 | 2.3 | 10.0 | 16.4 | 20.3 | 27.1 | 22.5 | 22.1 | 16.2 | 5.2 | 3.1 |
| Average temperature (°C) | -3.4 | -8.3 | -1.9 | 4.4 | 10.1 | 15.5 | 22.3 | 17.9 | 16.7 | 11.5 | 0.7 | -0.5 |
| Average night temperature (°C) | -7.2 | -13.8 | -5.6 | -0.3 | 5.2 | 11.7 | 18.3 | 14.4 | 12.9 | 8.3 | -2.9 | -3.7 |
| Absolute minimum temperature (°C) | -18.4 | -30.1 | -16.0 | -8.8 | -0.7 | 5.5 | 13.1 | 8.8 | 5.0 | -2.0 | -8.8 | -13.6 |
| 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) | 9.1 | 10.3 | 11.9 | 13.6 | 15.0 | 15.7 | 15.4 | 14.1 | 12.6 | 10.9 | 9.5 | 8.7 |
| 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) | 3.4 | 6.5 | 6.1 | 8.6 | 9.3 | 6.9 | 9.8 | 8.4 | 7.5 | 6.4 | 5.5 | 4.5 |
| Precipitation (mm) | 207 | 48 | 91 | 38 | 80 | 180 | 162 | 203 | 79 | 123 | 70 | 87 |
| Sunny days | 6 | 14 | 7 | 16 | 13 | 8 | 3 | 8 | 14 | 12 | 17 | 21 |
| Rainy days | 9 | 6 | 5 | 12 | 18 | 22 | 28 | 23 | 16 | 17 | 10 | 8 |
| Snow days | 16 | 8 | 19 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 2 |
The best time to visit Dundas during the most sunny months:
Months with the longest average daylight duration in Dundas:
The largest precipitation sum in Dundas is at