Average annual temperature is 8.6 °C
Absolute maximum temperature: 30.2 °C
Absolute minimum temperature: -22.7 °C
Number of sunny days: 136 days
Number of rainy days: 191 days
Number of snow days: 38 days
Look at detailed online map of Perth County
* Weather data for Perth County 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) | 6.0 | 12.2 | 11.0 | 26.1 | 30.2 | 30.0 | 29.3 | 26.4 | 29.8 | 26.5 | 13.2 | 12.1 |
| Average daytime temperature (°C) | 1.0 | 2.5 | 3.6 | 13.5 | 19.4 | 23.6 | 25.1 | 22.8 | 21.4 | 14.4 | 6.0 | 4.6 |
| Average temperature (°C) | -1.7 | -2.6 | -0.9 | 7.5 | 12.7 | 18.2 | 20.2 | 18.1 | 16.5 | 10.8 | 2.5 | 1.8 |
| Average night temperature (°C) | -4.1 | -6.5 | -5.0 | 2.4 | 6.6 | 13.0 | 15.7 | 13.9 | 12.5 | 7.8 | -1.0 | -0.2 |
| Absolute minimum temperature (°C) | -15.7 | -22.7 | -12.7 | -6.9 | 0.1 | 8.5 | 12.1 | 7.8 | 5.5 | -2.9 | -8.7 | -5.2 |
| 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) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| 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 | 8.0 |
| Sunshine mean duration (h) | 1.9 | 5.8 | 5.6 | 8.3 | 11.4 | 11.5 | 11.3 | 9.9 | 9.4 | 4.8 | 4.6 | 2.2 |
| Precipitation (mm) | 75 | 82 | 115 | 117 | 44 | 82 | 148 | 96 | 28 | 80 | 68 | 89 |
| Sunny days | 9 | 11 | 8 | 11 | 21 | 13 | 8 | 10 | 15 | 8 | 12 | 10 |
| Rainy days | 11 | 9 | 11 | 18 | 10 | 17 | 23 | 21 | 15 | 23 | 15 | 18 |
| Snow days | 11 | 8 | 12 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
The best time to visit Perth County during the most sunny months:
Months with the longest average daylight duration in Perth County:
The largest precipitation sum in Perth County is at