Yosemite National Park is definitely worth a visit
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Owasso (OK) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Owasso.
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Climate overview of Owasso
Temperatures in Owasso, Oklahoma, United States of America, vary greatly throughout the year. July is the hottest month at 34°C (93°F), while January is the coldest at 9°C (48°F).
Rain/snowfall is high, totalling around 1012 mm (40 in) per year. May is the wettest month and January the driest. The city also experiences very warm summers and cold winters. The sunniest month is July, with 11.2 hours of sunshine per day on average.
Owasso Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Owasso - and find the best time to visit.
Monthly Temperature in Owasso
The climate in Owasso is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a very warm 34°C (93°F) in July, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like January.
At night, you can expect temperatures ranging from 23°C (73°F) in July to around -3°C (27°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Owasso
Owasso has a notably wet climate with abundant precipitation, recording 1012 mm (40 in) of rain/snowfall per year. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, May it receives high rainfall, averaging 153 mm (6 in) of precipitation, recorded across 12 rainy days. In contrast, the driest month January brings less rainfall, with 24 mm (0.9 in) over 5 rainy days. For more details, please visit our Owasso Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Owasso
Seasonal changes in sunshine hours are quite dramatic in Owasso. While July receives considerable daily sunshine with up to 11.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 5.4 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Tulsa, the United States of America (17 KM, 10 Miles).
Daily hours of sunshine
Data from: Tulsa, the United States of America (17 KM, 10 Miles).
Daily percentage of sunshine
Data from: Tulsa, the United States of America (17 KM, 10 Miles).
Humidity in Owasso by Month
The relative humidity is high throughout the year in Owasso.
The city experiences its highest humidity in September, reaching 70%. In April, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Tulsa, the United States of America (17 KM, 10 Miles).
Best Time to Visit Owasso
For comfortable weather, consider visiting Owasso in September and October. Conditions are usually least favourable in July, August and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
mixed
Feb
mixed
Mar
good
Apr
very good
May
very good
Jun
mixed
Jul
very hot
Aug
very hot
Sep
excellent
Oct
excellent
Nov
good
Dec
cold
- Best overall: September and October
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: January, February, November and December
- Wettest months: April, May, June and July, when rainfall is highest.
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Owasso
What is the best time to visit Owasso?
September and October typically offer the most optimal weather in Owasso. In contrast, July, August and December tend to have less optimal conditions. Owasso has very warm summers and cold winters.
What temperatures can I expect in Owasso?
Daytime highs range from 9°C (48°F) in January to 34°C (93°F) in July. Nighttime lows range from -3°C (27°F) to 23°C (73°F). Temperatures vary considerably through the year.
How much rain does Owasso get?
Annual rainfall is around 1012 mm (40 in). May is the wettest month with 153 mm (6 in), while January is the driest with 24 mm (0.9 in).
How sunny is Owasso?
Owasso receives around 2,795 hours of sunshine per year. July is the sunniest month with 336 hours, while December is the cloudiest with just 161 hours. Overall, Owasso enjoys abundant sunshine.
Owasso 3-Day Forecast
Owasso on the map
Owasso is highlighted - select any city to see its climate.
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Where to go in October - average daytime high across popular destinations.
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