Arroyo Grande, California gets 20 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Arroyo Grande averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 286 sunny days per year in Arroyo Grande. The US average is 205 sunny days.
Arroyo Grande gets some kind of precipitation, on average, 50 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 73 degrees
Winter Low: the January low is 43
Rain: averages 20 inches of rain a year
Snow: averages 0 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Arroyo Grande is 8.7 (10=best), which means it is more comfortable than most places in California.
8.7 / 10
August, July and September are the most pleasant months in Arroyo Grande, while January and December are the least comfortable months.