Cool
Average highs are around 17°C, so pack for cooler days.
April verdict
Half Moon Bay, California, United States in April
Weather score47Mixed
Mixed for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 10h per day, so bright days are a strong part of the month. Rainfall averages 48mm, which is relatively low for holiday planning.
April weather
Monthly averages
Temp
17°C
Rain
48mm
Sun
10h
Sea
12°C
Weather score
47
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 48mm, which is relatively low for holiday planning.
Bright
Sunshine averages 10h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 12°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
April17°C average high
April is close to Half Moon Bay's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to October
This stretch sets the upper range for average daytime heat.
Rain
April48mm average rain
April sits near Half Moon Bay's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsApril to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
April10 hours average sun
April is one of Half Moon Bay's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
April12°C average sea
April is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJuly to October
Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.
Weather score
April47 weather score
April sits close to Half Moon Bay's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsMay to September
These months have the strongest weather score in the monthly averages.
