Half Moon Bay Weather in October

Half Moon Bay in October sees pleasant temperatures, with highs around 21°C (70°F) and overnight lows of 10°C (50°F). Overall excellent conditions make it one of the better months to visit.

Rainfall in Half Moon Bay in October

You can expect rain on roughly 6 days based on historical data, averaging 38 mm (1.5 in) for the month. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.

Temperature in Half Moon Bay in October

The excellent temperature in Half Moon Bay in October makes it a solid month to visit, with 21°C (70°F) during the day and 10°C (50°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 10°C (50°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Half Moon Bay in October

Expect a lot of sunshine this month, with about 243 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Half Moon Bay in October

In October, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Average water temperature in October

The water is 14°C (57°F) this month, cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

If you favor pleasant temperatures and minimal rainfall, October is one of the best months to visit Half Moon Bay.