Average annual temperature is 5.8 °C
Absolute maximum temperature: 27.9 °C
Absolute minimum temperature: -17.2 °C
Number of sunny days: 117 days
Number of rainy days: 198 days
Number of snow days: 50 days
Look at detailed online map of Petty Harbour
* Weather data for Petty Harbour 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) | 12.2 | 5.8 | 5.9 | 9.1 | 16.6 | 26.3 | 27.9 | 22.7 | 24.6 | 18.5 | 12.7 | 11.0 |
| Average daytime temperature (°C) | 2.6 | -2.1 | 0.0 | 3.9 | 9.2 | 12.8 | 21.5 | 18.6 | 17.6 | 12.2 | 4.9 | 3.1 |
| Average temperature (°C) | -0.3 | -5.6 | -2.0 | 0.9 | 5.5 | 9.4 | 18.1 | 16.0 | 14.4 | 9.5 | 2.5 | 0.7 |
| Average night temperature (°C) | -3.3 | -9.2 | -4.0 | -1.4 | 2.4 | 6.8 | 15.5 | 13.8 | 11.8 | 7.4 | 0.4 | -2.2 |
| Absolute minimum temperature (°C) | -14.2 | -17.2 | -13.1 | -7.7 | -0.8 | 3.1 | 10.8 | 11.5 | 5.6 | 0.9 | -3.9 | -8.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.3 | 8.5 |
| 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) | 2.4 | 4.7 | 4.6 | 5.9 | 7.8 | 5.1 | 8.0 | 7.1 | 6.2 | 4.2 | 2.6 | 2.7 |
| Precipitation (mm) | 235 | 179 | 119 | 67 | 143 | 135 | 88 | 164 | 71 | 149 | 99 | 75 |
| Sunny days | 9 | 6 | 7 | 7 | 13 | 10 | 13 | 9 | 10 | 11 | 9 | 13 |
| Rainy days | 13 | 12 | 9 | 18 | 18 | 20 | 18 | 22 | 20 | 20 | 17 | 11 |
| Snow days | 9 | 10 | 15 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 7 |
The best time to visit Petty Harbour during the most sunny months:
Months with the longest average daylight duration in Petty Harbour:
The largest precipitation sum in Petty Harbour is at