Smyrna (TN) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Smyrna.
Climate overview of Smyrna
The climate in Smyrna, Tennessee, United States of America, is marked by large temperature swings across the seasons, ranging from 33°C (91°F) in August to 9°C (48°F) in January.
The city receives considerable rain/snowfall, with around 1249 mm (49 in) annually. May is the wettest month. It has very warm summers and cold winters. July is the sunniest month, averaging 9.3 hours of sunshine per day.
Smyrna Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Smyrna - and find the best time to visit.
Monthly Temperature in Smyrna
In Smyrna, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 33°C (91°F) in August to a chilly 9°C (48°F) in the coolest month, January.
Nights vary from 20°C (68°F) in August to around -3°C (27°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Smyrna
Smyrna experiences significant rain/snowfall throughout the year, averaging 1249 mm (49 in) of precipitation annually. Smyrna offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month May (132 mm (5.2 in)) and the driest month September (77 mm (3 in)) is not too significant. For more details, please visit our Smyrna 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 Smyrna
For those who appreciate different seasons, Smyrna serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.3 hours of sunshine daily, and embrace the darker days in December, offering only 4.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Smyrna by Month
The relative humidity is high throughout the year in Smyrna.
The city experiences its highest humidity in September, reaching 74%. 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 Smyrna
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: September and October
- Warmest weather: June, July and August
- Most sunshine: June and July
- 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 Smyrna
What is the best time to visit Smyrna?
September and October typically offer the most optimal weather in Smyrna. In contrast, January, February, July and December tend to have less optimal conditions. Smyrna has very warm summers and cold winters.
What temperatures can I expect in Smyrna?
Daytime highs range from 9°C (48°F) in January to 33°C (91°F) in August. Nighttime lows range from -3°C (27°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Smyrna get?
Annual rainfall is around 1249 mm (49 in). May is the wettest month with 132 mm (5.2 in), while September is the driest with 77 mm (3 in).
How sunny is Smyrna?
Smyrna receives around 2,505 hours of sunshine per year. July is the sunniest month with 279 hours, while December is the cloudiest with just 130 hours. Overall, Smyrna enjoys abundant sunshine.
Smyrna 3-Day Forecast
Smyrna (TN) 3-Day Forecast
Smyrna on the map
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