Owasso, OK has a humid subtropical climate with hot summers and mild winters. Temperatures in the summer months often reach over 90 degrees Fahrenheit, while in winter they generally stay above freezing. The city experiences precipitation throughout the year with higher amounts falling during the summer months. It is not uncommon for Owasso to see thunderstorms and other forms of severe weather during the summer season. Generally, winters are mild and snowfall is rare in this area of Oklahoma.
Owasso, Oklahoma gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Owasso averages 8 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 233 sunny days per year in Owasso. The US average is 205 sunny days.
Owasso gets some kind of precipitation, on average, 89 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 92 degrees
Winter Low: the January low is 26
Rain: averages 42 inches of rain a year
Snow: averages 8 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Owasso is 7.1 (10=best), which means it is one of the least comfortable places in Oklahoma.
5.5 / 6.4
Summer / Winter
May, September and October are the most pleasant months in Owasso, while July and August are the least comfortable months.