Average annual temperature is 10.3 °C
Absolute maximum temperature: 28.5 °C
Absolute minimum temperature: -13.0 °C
Number of sunny days: 154 days
Number of rainy days: 191 days
Number of snow days: 20 days
Look at detailed online map of Port Rowan
* Weather data for Port Rowan 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) | 7.3 | 10.6 | 10.1 | 23.0 | 27.5 | 27.6 | 28.5 | 26.9 | 28.3 | 25.1 | 13.8 | 11.9 |
| Average daytime temperature (°C) | 2.6 | 3.8 | 4.1 | 11.7 | 17.4 | 22.6 | 25.0 | 23.5 | 21.3 | 15.3 | 8.4 | 6.0 |
| Average temperature (°C) | 0.4 | -0.1 | 1.0 | 7.6 | 13.0 | 18.8 | 21.8 | 20.2 | 18.2 | 12.5 | 5.4 | 3.9 |
| Average night temperature (°C) | -1.3 | -3.2 | -1.6 | 4.0 | 9.0 | 15.3 | 18.6 | 17.0 | 15.2 | 10.0 | 2.3 | 2.0 |
| Absolute minimum temperature (°C) | -10.2 | -13.0 | -7.1 | -3.8 | 2.4 | 11.3 | 15.0 | 11.6 | 10.1 | -0.1 | -5.2 | -3.8 |
| 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.1 | 6.6 | 6.7 | 8.9 | 11.4 | 12.0 | 11.7 | 10.7 | 9.8 | 6.4 | 5.6 | 3.6 |
| Precipitation (mm) | 119 | 89 | 134 | 124 | 38 | 108 | 135 | 96 | 36 | 83 | 57 | 82 |
| Sunny days | 11 | 11 | 10 | 12 | 22 | 14 | 7 | 11 | 18 | 11 | 15 | 12 |
| Rainy days | 14 | 14 | 14 | 18 | 9 | 16 | 24 | 20 | 12 | 20 | 13 | 17 |
| Snow days | 6 | 3 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The best time to visit Port Rowan during the most sunny months:
Months with the longest average daylight duration in Port Rowan:
The largest precipitation sum in Port Rowan is at