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Johnson City (TN) Weather and Climate: A Comprehensive Guide

Johnson City experiences great temperature shifts. The city's weather can transition from warm days to cold weather. It is also known for its large amounts of rain/snowfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

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 in July to a chilly 8°C in the coolest month, January.

Nights are cooler, with lows often dropping to around -4°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Johnson City has a notably wet climate with abundant precipitation, recording 1180 mm of rain/snowfall per year. Johnson City offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between July (146 mm) and November (73 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Johnson City (TN)

Mon   Dec 23
8°C | -6°C
S 2 m/s
clear and no rain

clear and no rain

Tue   Dec 24
9°C | -3°C
W 2 m/s
almost clear and no rain

almost clear and no rain

Wed   Dec 25
13°C | 0°C
SE 2 m/s
broken clouds and no rain

broken clouds and no rain

The best time of year to visit Johnson City in the United States of America

During the months of April, May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Johnson City?
    August has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Johnson City?
    The coldest month is January with an average maximum temperature of 8°C.
  • Which is the wettest month in Johnson City?
    July tops the wettest month list with 146 mm of rainfall.
  • Which is the driest month in Johnson City?
    November is the driest month with 73 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.