United StatesAverage weather for Half Moon Bay in October
It's pleasantly warm in October in Half Moon Bay with an average temperature of 20°C. Temperatures this month range from a low of 18°C to a high of 22°C. At night, you can expect temperatures between 10°C and 13°C.
Start of October
The month of October starts in Half Moon Bay with mild temps, averaging around 21°C during the day and nights around 12°C. No precipitation expected at the start of the month; it’ll be sunny.
Mid October
By mid-October, daytime temps stay steady at around 21°C, with nights around 12°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of October
By the end of October, the average daytime temperature in Half Moon Bay is around 20°C, while nighttime temps are about 11°C. A shower might pop up, but overall, the weather will be dry and sunny.
In October, there is an average of 23 mm of precipitation, spread over 2 days. The wind speed is around 4 Bft, mostly coming from the West.
Half Moon Bay in October |
New York | ||
|---|---|---|---|
 Average temperature |
20°C | 21°C | |
 Max. temperature |
22°C | 26°C | |
| Min. temperature |
18°C | -5°C | |
 Total precipitation |
23 mm | 119 mm | |
| Rainy days |
2 days | 13 days | |
September
UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is October a good time to visit Half Moon Bay?
Looking for great weather? October is a good time to be in Half Moon Bay. The temperatures are nice, and there’s not too much rain.
Temperature records
With 34°C in 2017, Half Moon Bay reached the highest temperature in October over the past 10 years. The lowest daytime temperature in this month was 13°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 22°C.
Check out the climate of Half Moon Bay for all months and discover the best travel time
Daily Temperature in October in Half Moon Bay
This chart shows the average daily high and low temperatures in October for Half Moon Bay, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in October in Half Moon Bay
The chart below shows the average daily precipitation in October for Half Moon Bay, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for October, you can expect about 2 days of precipitation in Half Moon Bay.
Daily UV index in October in Half Moon Bay
This chart shows the average daily UV index in October in Half Moon Bay, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in October in Half Moon Bay over the years
This chart shows the average temperature in October in Half Moon Bay, measured in degrees Celsius, over the past few years.
Total precipitation in October in Half Moon Bay over the years
This chart shows the average precipitation in October in Half Moon Bay, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in October for Half Moon Bay
Click on any day in October to get detailed info about the usual weather on that day in Half Moon Bay. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in October in Half Moon Bay
Have you been to Half Moon Bay in October?
Share your weather experience in October in Half Moon Bay.
Average weather in Half Moon Bay by month
Click on a month below to see detailed weather info for Half Moon Bay. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Half Moon Bay for all months at once
