Owasso, OK 

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Climate in Owasso, OK

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.

Weather Highlights

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


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.

Climate Averages
  Owasso, OklahomaUnited States
  42.4 in.38.1 in.
  7.9 in.27.8 in.
  88.6 days106.2 days
  233 days205 days
  610 ft.2443 ft.


Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

August is the hottest month for Owasso with an average high temperature of 92.2°, which ranks it as cooler than most places in Oklahoma. In Owasso, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Owasso are May, September and October.

In Owasso, there are 57.4 days annually when the high temperature is over 90°, which is cooler than most places in Oklahoma.

January has the coldest nighttime temperatures for Owasso with an average of 26.1°. This is about average compared to other places in Oklahoma.

In Owasso, there are 78.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Oklahoma.

In Owasso, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Oklahoma.

The humidity can be uncomfortably heavy or close in Owasso during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in Owasso.

May is the wettest month in Owasso with 5.6 inches of rain, and the driest month is January with 1.7 inches. The wettest season is Summer with 31% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 42.4 inches in Owasso means that it is about average compared to other places in Oklahoma.

May is the rainiest month in Owasso with 10.2 days of rain, and February is the driest month with only 5.9 rainy days. There are 88.6 rainy days annually in Owasso, which is rainier than most places in Oklahoma. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 21% chance of a rainy day.

An annual snowfall of 7.9 inches in Owasso means that it is snowier than most places in Oklahoma. January is the snowiest month in Owasso with 2.6 inches of snow, and 4 months of the year have significant snowfall.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Owasso    3 Reviews
    Awesome Place to Live - 3/2/2013
    I Love living in Owasoo and Hate the fact I will have to move to Texas, My last 23 years in Owasso have been some of the best in my... Read More

    Start Your Review of Owasso

    Growth - 7/20/2006
    There are so many new houses popping up in Owasso. What used to be vacant land is now being tilled up and sectioned off for builders. Great place to live and start a... Read More

    Bedroom community - 5/27/2006
    ....north of Tulsa. Most residents work in Tulsa and make the drive home daily. The town is booming, soon you won't have to go to Tulsa for anything....good shopping,... Read More

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