Johnson City (TN) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Johnson City.
Climate overview of Johnson City
Temperatures in Johnson City, Tennessee, United States of America, vary greatly throughout the year. July is the hottest month at 30°C (86°F), while January is the coldest at 8°C (46°F).
The city receives considerable rain/snowfall, with around 1180 mm (46 in) annually. July is the wettest month. It has warm summers and cold winters.
Johnson City Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Johnson City - and find the best time to visit.
Monthly Temperature in Johnson City
The climate in Johnson City is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 30°C (86°F) in July to a chilly 8°C (46°F) in the coolest month, January.
Nights vary from 18°C (64°F) in July to around -4°C (25°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Johnson City
Johnson City has a notably wet climate with abundant precipitation, recording 1180 mm (46 in) of rain/snowfall per year. Johnson City offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month July (146 mm (5.7 in)) and the driest month November (73 mm (2.9 in)) is not too significant. For more details, please visit our Johnson City Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Johnson City
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, September and October
- Warmest weather: June, July and August
- Fewest rainy days: March, September, October and November
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Johnson City
What is the best time to visit Johnson City?
May, September and October typically offer the most optimal weather in Johnson City. In contrast, January, February and December tend to have less optimal conditions. Johnson City has warm summers and cold winters.
What temperatures can I expect in Johnson City?
Daytime highs range from 8°C (46°F) in January to 30°C (86°F) in July. Nighttime lows range from -4°C (25°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Johnson City get?
Annual rainfall is around 1180 mm (46 in). July is the wettest month with 146 mm (5.7 in), while November is the driest with 73 mm (2.9 in).
Johnson City 3-Day Forecast
Johnson City (TN) 3-Day Forecast
Johnson City on the map
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