Mild
Average highs are around 21°C, so days are mild rather than hot.
October verdict
Half Moon Bay, California, United States in October
Weather score52Mixed
Mixed for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 7.9h per day, enough for a balanced month. Rainfall averages 38mm, which is relatively low for holiday planning.
October weather
Monthly averages
Temp
21°C
Rain
38mm
Sun
7.9h
Sea
14°C
Weather score
52
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 38mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.9h per day, enough for a balanced month.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Weather map
Compare Half Moon Bay, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
October21°C average high
October sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to October
This stretch sets the upper range for average daytime heat.
Rain
October38mm average rain
October sits on the drier side of Half Moon Bay's year, which helps with sightseeing and transfers.
Driest monthsApril to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October7.9 hours average sun
October sits close to Half Moon Bay's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
October14°C average sea
October sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to October
Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.
Weather score
October52 weather score
October scores above Half Moon Bay's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMay to September
These months have the strongest weather score in the monthly averages.
