Spring Valley, AZ enjoys warm weather year-round with temperatures rarely dipping below freezing. Summers are hot and dry, with afternoon high temperatures usually in the 90s and low temperatures in the mid to upper 60s. Winters are generally mild with highs in the mid 70s and lows in the 40s. The spring and fall months offer comfortable temperatures with highs in the 80s and lows in the 50s. Rainfall is light throughout the year, though it does tend to be more frequent during monsoon season from mid-July to late August.
Spring Valley, Arizona gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Spring Valley averages 2 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 272 sunny days per year in Spring Valley. The US average is 205 sunny days.
Spring Valley gets some kind of precipitation, on average, 51 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 97 degrees
Winter Low: the January low is 31
Rain: averages 18 inches of rain a year
Snow: averages 2 inches of snow a year