Surprise, Arizona gets 9 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Surprise averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 301 sunny days per year in Surprise. The US average is 205 sunny days.
Surprise 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 106 degrees
Winter Low: the January low is 42
Rain: averages 9 inches of rain a year
Snow: averages 0 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Surprise is 7.3 (10=best), which means it is less comfortable than most places in Arizona.
7.3 / 10
April, March and November are the most pleasant months in Surprise, while July and August are the least comfortable months.