St. Johns, Arizona gets 11 inches of rain, on average, per year. The US average is 38 inches of rain per year.
St. Johns averages 8 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 St. Johns. The US average is 205 sunny days.
St. Johns gets some kind of precipitation, on average, 48 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 91 degrees
Winter Low: the January low is 21
Rain: averages 11 inches of rain a year
Snow: averages 8 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for St. Johns is 7.9 (10=best), which means it is one of the most pleasant places in Arizona.
7.9 / 10
September, May and August are the most pleasant months in St. Johns, while December and January are the least comfortable months.