Ooltewah (TN) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ooltewah.
Climate overview of Ooltewah
Ooltewah, Tennessee, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 32°C (90°F) in August, while winters cool to 9°C (48°F) in January.
The city has a wet climate, receiving around 1437 mm (57 in) of rain/snowfall per year. Despite the high annual total, it has very warm summers and cold winters. December is the wettest month. The most sunshine falls in May, with an average of 9.2 hours of daily sunshine.
Ooltewah Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ooltewah - and find the best time to visit.
Monthly Temperature in Ooltewah
Depending on the time of the year, temperatures range from very warm to chilly in Ooltewah. On average, daytime temperatures range from a very warm 32°C (90°F) in August to a chilly 9°C (48°F) in January.
Nighttime temperatures range from 21°C (70°F) in August to -2°C (28°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ooltewah
Ooltewah has a relatively rain/snowy climate with high precipitation levels, averaging 1437 mm (57 in) of rain/snowfall annually. The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 162 mm (6.4 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 94 mm (3.7 in) of rainfall. For more details, please visit our Ooltewah 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 Ooltewah
In Ooltewah, summer days are longer and more sunny, with daily sunshine hours peaking at 9.2 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.7 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Ooltewah by Month
The relative humidity is high throughout the year in Ooltewah.
The city experiences its highest humidity in September, reaching 77%. In April, the humidity drops to its lowest level at 63%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Ooltewah
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, September and October
- Warmest weather: June, July and August
- Most sunshine: May, June and July
- Fewer rainy days: February, April, September, October and November
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -2°C (28°F).
Frequently asked questions about the climate in Ooltewah
What is the best time to visit Ooltewah?
April, May, September and October typically offer the most optimal weather in Ooltewah. In contrast, January and December tend to have less optimal conditions. Ooltewah has very warm summers and cold winters.
What temperatures can I expect in Ooltewah?
Daytime highs range from 9°C (48°F) in January to 32°C (90°F) in August. Nighttime lows range from -2°C (28°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Ooltewah get?
Annual rainfall is around 1437 mm (57 in). December is the wettest month with 162 mm (6.4 in), while February is the driest with 94 mm (3.7 in).
How sunny is Ooltewah?
Ooltewah receives around 2,580 hours of sunshine per year. May is the sunniest month with 277 hours, while December is the cloudiest with just 142 hours. Overall, Ooltewah enjoys abundant sunshine.
Ooltewah 3-Day Forecast
Ooltewah (TN) 3-Day Forecast
Ooltewah on the map
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