Rossmoor, California gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rossmoor averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 274 sunny days per year in Rossmoor. The US average is 205 sunny days.
Rossmoor gets some kind of precipitation, on average, 32 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.
Summer High: the July high is around 81 degrees
Winter Low: the January low is 46
Rain: averages 13 inches of rain a year
Snow: averages 0 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Rossmoor is 9.3 (10=best), which means it is one of the most pleasant places in California.
9.3 / 10
June, September and July are the most pleasant months in Rossmoor, while December and January are the least comfortable months.