Germantown (TN) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Germantown.
Climate overview of Germantown
Germantown, Tennessee, United States of America, sees big temperature differences between seasons, with August peaking at 33°C (91°F) and January dropping to 10°C (50°F).
With around 1440 mm (57 in) of annual rain/snowfall, Germantown has a notably wet climate. The wettest month is May. The sunniest month is July, with 10.9 hours of sunshine per day on average.
Germantown Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Germantown — and find the best time to visit.
Monthly Temperature in Germantown
Visitors to Germantown can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 33°C (91°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 10°C (50°F).
At night, temperatures range from around 22°C (72°F) in August to -1°C (30°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Germantown
Germantown is known for its substantial rain/snowfall, with annual precipitation reaching 1440 mm (57 in). Germantown can be quite wet during May, receiving approximately 163 mm (6.4 in) of precipitation over 12 rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 75 mm (3 in) of precipitation spread across 10 rainy days. For more details, please visit our Germantown 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 Germantown
Germantown can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.9 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.1 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Germantown by Month
The relative humidity is high throughout the year in Germantown.
The city experiences its highest humidity in September, reaching 71%. In March, 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
Wind Speed in Germantown
The mean wind speed over the year ranges from 2 m/s (4 knots) in August to 4 m/s (8 knots) in February, March and April. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Germantown
The weather does bring rainfall during this period, between 90 mm (3.5 in) and 157 mm (6.2 in).
Plan accordingly for May, when conditions bring the heaviest precipitation. Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.
Frequently asked questions about the climate in Germantown
What is the best time to visit Germantown?
April, May and October typically offer the most optimal weather in Germantown. In contrast, January, February, July and December tend to have less optimal conditions.
What temperatures can I expect in Germantown?
Daytime highs range from 10°C (50°F) in January to 33°C (91°F) in August. Nighttime lows range from -1°C (30°F) to 22°C (72°F). Temperatures vary considerably through the year.
How much rain does Germantown get?
Annual rainfall is around 1440 mm (57 in). May is the wettest month with 163 mm (6.4 in), while August is the driest with 75 mm (3 in).
How sunny is Germantown?
Germantown receives around 2,891 hours of sunshine per year. July is the sunniest month with 326 hours, while December is the cloudiest with just 152 hours. Overall, Germantown enjoys abundant sunshine.
Germantown 3-Day Forecast
Germantown (TN) 3-Day Forecast
Germantown on the map
Germantown is highlighted — select any city to see its climate.
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