January weather forecast and climate
Johnson City, TN

The front entrance to the Public Library in Johnson City, Tennessee, with flags flying on either side of the main entrance
The front entrance to the Public Library in Johnson City, Tennessee, with flags flying on either side of the main entrance
January, the same as December, in Johnson City, Tennessee, is another chilly winter month, with average temperature varying between 45°F (7.2°C) and 25°F (-3.9°C).

Temperature

January is the coldest month, with an average high-temperature of 45°F (7.2°C) and an average low-temperature of 25°F (-3.9°C).

Humidity

January is the least humid month, with an average relative humidity of 59%.

Rainfall

Throughout January, in Johnson City, Tennessee, 3.4" (86.9mm) of precipitation is accumulated. Throughout the year, 45.2" (1148.6mm) of rain is accumulated.

Snowfall

January through April, November and December are months with snowfall in Johnson City. The month with the most snowfall is January when 5.2" (132.1mm) of snow is typically aggregated.

Daylight

The average length of the day in January is 10h.

What is the coldest month in Johnson City?

January is the coldest month, with an average high-temperature of 45°F (7.2°C) and an average low-temperature of 25°F (-3.9°C).

What is the temperature in January in Johnson City?

In January, the average high-temperature is 45°F (7.2°C), and the average low-temperature is 25°F (-3.9°C).

What is the least humid month in Johnson City?

January is the least humid month in Johnson City, Tennessee, with an average relative humidity of 59%.

What is the average humidity in January in Johnson City?

In Johnson City, Tennessee, the average relative humidity in January is 59%.

How much does it rain in Johnson City in January?

Throughout January, in Johnson City, Tennessee, 3.4" (86.9mm) of precipitation is accumulated.

How much does it snow in Johnson City in January?

During January, Johnson City regularly aggregates up to 5.2" (132.1mm) of snow.

When does it snow the most in Johnson City?

January is the month with the most snowfall, with 5.2" (132.1mm) of accumulated snow.

What is the average length of the day in January in Johnson City?

In January, the average length of the day in Johnson City is 10h.
Average temperature in January - Johnson City, TN
  • Average high temperature in January: 45°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (45°F).

  • Average low temperature in January: 25°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average humidity in January - Johnson City, TN
  • Average humidity in January: 59%

Months with the highest relative humidity are August and September (76.5%).
The month with the lowest relative humidity is January (59%).

Average rainfall in January - Johnson City, TN
  • Average rainfall in January: 3.4"

The wettest month (with the highest rainfall) is July (5.4").
The driest month (with the lowest rainfall) is October (2.4").

Average snowfall in January - Johnson City, TN
  • Average snowfall in January: 5.2"

The month with the highest snowfall is January (5.2").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average daylight in January - Johnson City, TN
  • Average daylight in January: 10h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

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