Average annual temperature is 5.1 °C
Absolute maximum temperature: 29.5 °C
Absolute minimum temperature: -31.4 °C
Number of sunny days: 192 days
Number of rainy days: 126 days
Number of snow days: 47 days
Look at detailed online map of Half Moon Bay
* Weather data for Half Moon Bay 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) | 5.8 | 5.9 | 8.7 | 19.9 | 26.2 | 28.5 | 28.4 | 29.5 | 23.9 | 23.2 | 9.7 | 8.1 |
| Average daytime temperature (°C) | -1.4 | -2.1 | -0.8 | 9.5 | 21.4 | 22.4 | 22.4 | 23.1 | 18.5 | 10.7 | 4.9 | 1.6 |
| Average temperature (°C) | -6.0 | -8.0 | -7.4 | 2.9 | 14.2 | 15.7 | 16.9 | 16.8 | 12.6 | 5.0 | -0.1 | -2.5 |
| Average night temperature (°C) | -9.9 | -12.5 | -12.4 | -2.5 | 7.4 | 10.5 | 12.4 | 11.9 | 8.0 | 0.9 | -3.7 | -5.8 |
| Absolute minimum temperature (°C) | -23.0 | -31.4 | -20.6 | -9.8 | 3.1 | 5.3 | 8.5 | 5.8 | 3.1 | -12.4 | -10.6 | -13.8 |
| 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) | 8.3 | 9.9 | 11.9 | 13.9 | 15.7 | 16.7 | 16.2 | 14.6 | 12.7 | 10.6 | 8.8 | 7.8 |
| Daylight minimum duration (h) | 7.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 4.9 | 5.8 | 8.4 | 10.2 | 13.1 | 11.7 | 12.5 | 10.7 | 9.2 | 6.8 | 5.8 | 4.3 |
| Precipitation (mm) | 15 | 26 | 10 | 25 | 75 | 162 | 89 | 112 | 20 | 22 | 7 | 20 |
| Sunny days | 19 | 13 | 18 | 18 | 15 | 11 | 7 | 13 | 14 | 20 | 23 | 21 |
| Rainy days | 5 | 2 | 0 | 9 | 16 | 19 | 24 | 18 | 16 | 7 | 5 | 5 |
| Snow days | 7 | 13 | 13 | 3 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 5 |
The best time to visit Half Moon Bay during the most sunny months:
Months with the longest average daylight duration in Half Moon Bay:
The largest precipitation sum in Half Moon Bay is at