Greeneville (TN) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Greeneville.
Climate overview of Greeneville
The climate in Greeneville, Tennessee, United States of America, is marked by large temperature swings across the seasons, ranging from 30°C (86°F) in August to 8°C (46°F) in January.
The city has a wet climate, receiving around 1042 mm (41 in) of rain/snowfall per year. Despite the high annual total, it has very warm summers and cold winters. July is the wettest month. Sunshine peaks in June, when the city sees around 8.9 hours of sunshine per day.
Greeneville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Greeneville - and find the best time to visit.
Monthly Temperature in Greeneville
In Greeneville, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 30°C (86°F) in August to a chilly 8°C (46°F) in January.
Nighttime temperatures range from 18°C (64°F) in August to -4°C (25°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Greeneville
Greeneville experiences significant rain/snowfall throughout the year, averaging 1042 mm (41 in) of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, July, sees around 117 mm (4.6 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 68 mm (2.7 in) of rainfall. For more details, please visit our Greeneville 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 Greeneville
Greeneville enjoys sunny spells year-round. June sees up to 8.9 hours of daily sunshine, perfect for a sunny trip. December, the least sunny month, still offers a generous 5.5 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Greeneville by Month
The relative humidity is high throughout the year in Greeneville.
The city experiences its highest humidity in September, reaching 84%. In April, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Greeneville
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: April, August, September, October and November
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Greeneville
What is the best time to visit Greeneville?
April, May, September and October typically offer the most optimal weather in Greeneville. In contrast, January, February and December tend to have less optimal conditions. Greeneville has very warm summers and cold winters.
What temperatures can I expect in Greeneville?
Daytime highs range from 8°C (46°F) in January to 30°C (86°F) in August. Nighttime lows range from -4°C (25°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Greeneville get?
Annual rainfall is around 1042 mm (41 in). July is the wettest month with 117 mm (4.6 in), while February is the driest with 68 mm (2.7 in).
How sunny is Greeneville?
Greeneville receives around 2,616 hours of sunshine per year. June is the sunniest month with 268 hours, while December is the cloudiest with just 166 hours. Overall, Greeneville enjoys abundant sunshine.
Greeneville 3-Day Forecast
Greeneville on the map
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