The climate in 85379 Surprise, AZ is generally hot and dry, with temperatures averaging above 90°F during the summer months and above 60°F during winter months. Rainfall is sparse, with an average of less than 13 inches annually, making it a semi-arid desert climate. Summers are sunny and humid with occasional thunderstorms while winters bring cold nights and mild days. In spring, temperatures range from pleasantly warm to moderately hot in the afternoons, while autumn brings cool evenings and mild afternoons.
Surprise (zip 85379), Arizona gets 9 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Surprise (zip 85379) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 296 sunny days per year in Surprise (zip 85379). The US average is 205 sunny days.
Surprise (zip 85379) 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.
Weather Highlights
Summer High: the July high is around 106 degrees
Winter Low: the January low is 43
Rain: averages 9 inches of rain a year
Snow: averages 0 inches of snow a year