Owasso, OK Weather & Climate Normals
Owasso's real weather, in one number
Owasso, OK scores 44/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 4 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Owasso's hottest and coldest months
Owasso's hottest month is Jul, averaging 83°F; its coldest is Jan, averaging 39°F, a 44.9°F swing across the year, a middling gap by national standards.
Owasso's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 49°F | 28°F | 1.63in | 1.9in |
| Feb | 54°F | 32°F | 1.62in | 2.4in |
| Mar | 63°F | 41°F | 3.1in | 1.9in |
| Apr | 72°F | 50°F | 4.37in | 0in |
| May | 80°F | 60°F | 5.73in | 0in |
| Jun | 88°F | 69°F | 4.65in | 0in |
| Jul | 94°F | 73°F | 3.76in | 0in |
| Aug | 93°F | 72°F | 3.38in | 0in |
| Sep | 85°F | 63°F | 3.85in | 0in |
| Oct | 74°F | 51°F | 3.78in | 0in |
| Nov | 61°F | 39°F | 2.66in | 0.8in |
| Dec | 51°F | 31°F | 2.43in | 1.7in |
Apr, May, Sep, and Oct are the best time to see Owasso at its mildest; the rest of the year, plan around Jul's heat and Jan's cold.
Rain and snow in Owasso
Owasso averages 40.96in of precipitation a year across roughly 94 days with measurable rain or snow, and 8.7in of snow a year.
Where Owasso ranks
Owasso ranks 3700 of 4876 US cities in this dataset for comfort score, and 69 of 75 within OK. About 42,821 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Tulsa Intl Ap, OK US, 6.7 miles from Owasso, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure