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 perfect 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 perfect 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Half Moon Bay's climate page.
Half Moon Bay Temperature in October
Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Water Temperature
14°C (57°F) *
Chance of Rain
20%
Precipitation
38 mm (1.5 in)
Rainy days
6 days
Humidity
71% *
Windspeed
4 m/s (8 knots) *
Sunshine
243 hours *
Percentage Sunshine
71% *
Best Places in the United States of America in October
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in October →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Half Moon Bay in October
Pleasant temperatures in October mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers. Expect water temperatures of around 14°C (57°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Half Moon Bay in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Half Moon Bay's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Half Moon Bay climate overview or explore weather in the United States of America.
