Half Moon Bay, CA has a mild climate year-round. Average summer temperatures are usually around 65°F-75°F, while winter temperatures average around 55°F-65°F. Rainfall is common in the winter months, but the area sees very little snow. The area experiences a coastal fog most days throughout the year, providing cool temperatures even in the warmest months.
Half Moon Bay, California gets 24 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Half Moon Bay averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 259 sunny days per year in Half Moon Bay. The US average is 205 sunny days.
Half Moon Bay gets some kind of precipitation, on average, 84 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 73 degrees
Winter Low: the January low is 42
Rain: averages 24 inches of rain a year
Snow: averages 0 inches of snow a year