Average annual temperature is 10.4 °C
Absolute maximum temperature: 30.0 °C
Absolute minimum temperature: -7.0 °C
Number of sunny days: 163 days
Number of rainy days: 198 days
Number of snow days: 4 days
Look at detailed online map of Cortes Island
* Weather data for Cortes Island 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) | 10.6 | 9.7 | 14.9 | 19.9 | 26.9 | 27.5 | 30.0 | 28.4 | 25.5 | 18.1 | 15.5 | 11.6 |
| Average daytime temperature (°C) | 6.5 | 6.1 | 8.5 | 10.7 | 20.4 | 21.5 | 24.4 | 24.0 | 19.0 | 13.5 | 8.3 | 7.9 |
| Average temperature (°C) | 4.8 | 3.4 | 4.7 | 7.3 | 14.8 | 16.0 | 19.1 | 18.7 | 14.5 | 10.0 | 5.7 | 5.7 |
| Average night temperature (°C) | 3.0 | 1.7 | 1.8 | 4.8 | 10.1 | 11.5 | 14.5 | 14.9 | 11.1 | 7.5 | 3.8 | 4.0 |
| Absolute minimum temperature (°C) | -3.8 | -7.0 | -2.8 | 0.3 | 6.9 | 8.0 | 10.5 | 11.2 | 6.9 | -0.5 | -0.4 | -1.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.6 | 10.1 | 11.9 | 13.8 | 15.4 | 16.3 | 15.9 | 14.4 | 12.6 | 10.7 | 9.1 | 8.2 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 1.9 | 3.3 | 7.7 | 6.3 | 12.3 | 12.1 | 13.2 | 11.3 | 8.8 | 6.3 | 4.0 | 2.4 |
| Precipitation (mm) | 214 | 98 | 127 | 219 | 30 | 20 | 17 | 53 | 86 | 139 | 200 | 268 |
| Sunny days | 5 | 2 | 10 | 7 | 23 | 21 | 25 | 22 | 16 | 15 | 12 | 5 |
| Rainy days | 25 | 23 | 21 | 23 | 8 | 9 | 6 | 9 | 14 | 16 | 18 | 26 |
| Snow days | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Cortes Island during the most sunny months:
Months with the longest average daylight duration in Cortes Island:
The largest precipitation sum in Cortes Island is at