When to go · Half Moon Bay, United States
Best Time to Visit Half Moon Bay
The sweet spot for Half Moon Bay is August, September and July. Here's every month's temperature and rain so you can plan around your own dates.
Go now
August, September, July
Comfortable and drier
Shoulder
June, May, November
Fewer crowds, a trade-off
Think twice
December, January
Wettest is December (231mm)
Half Moon Bay weather, month by month
| Month | High | Low | Rain | Feel |
|---|---|---|---|---|
| Jan | 14°C / 57°F | 7°C / 45°F | 128mm | cool, wet |
| Feb | 15°C / 59°F | 6°C / 43°F | 60mm | cool, some rain |
| Mar | 13°C / 55°F | 6°C / 43°F | 119mm | cool, some rain |
| Apr | 15°C / 59°F | 7°C / 45°F | 19mm | cool, mostly dry |
| May | 16°C / 61°F | 9°C / 48°F | 21mm | cool, mostly dry |
| Jun | 18°C / 64°F | 11°C / 52°F | 6mm | mild, mostly dry |
| JulBEST | 18°C / 64°F | 11°C / 52°F | 4mm | mild, mostly dry |
| AugBEST | 20°C / 68°F | 12°C / 54°F | 3mm | mild, mostly dry |
| SepBEST | 21°C / 70°F | 12°C / 54°F | 14mm | mild, mostly dry |
| Oct | 19°C / 66°F | 11°C / 52°F | 65mm | mild, some rain |
| Nov | 17°C / 63°F | 8°C / 46°F | 64mm | mild, some rain |
| Dec | 14°C / 57°F | 7°C / 45°F | 231mm | cool, very wet |
Averages from Open-Meteo ERA5 climate reanalysis, 2019 to 2023. Highs and lows are daily averages for each month; rain is the monthly total. Tap a month for a detailed guide.
Want the timing decided for you? A Local Friend in Half Moon Bay plans around the seasons for you.