Johnson City
Tennessee, USA
Long-term weather forecast
Long-term weather forecast

May 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
May, the last month of the spring, in Johnson City, is a warm month, with average temperature varying between 51.1°F (10.6°C) and 75.9°F (24.4°C).

Temperature

In May, the average high-temperature slightly increases, from an agreeable 68°F (20°C) in April, to a moderately hot 75.9°F (24.4°C). In Johnson City, the average low-temperature is 51.1°F (10.6°C).

Humidity

In May, the average relative humidity is 69.5%.

Rainfall

During May, Johnson City regularly aggregates up to 4.4" (112.8mm) of precipitation. During the entire year, Johnson City aggregates up to 45.2" (1148.6mm) of precipitation.

Snowfall

In May, in Johnson City, it doesn't snow. April is the latest month when it typically snows. In Johnson City, during the entire year, snow aggregates up to 15.6" (396.3mm).

Daylight

The average length of the day in May is 14.1h.

What is the temperature in May in Johnson City?

In Johnson City, Tennessee, in May, the average high-temperature is 75.9°F (24.4°C), and the average low-temperature is 51.1°F (10.6°C).

What is the average humidity in May in Johnson City?

In Johnson City, the average relative humidity in May is 69.5%.

How much does it rain in Johnson City in May?

During May, Johnson City regularly aggregates up to 4.4" (112.8mm) of precipitation.

Does it snow in Johnson City in May?

In May, in Johnson City, Tennessee, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Johnson City have in May?

In May, the average length of the day is 14.1h.
Average temperature in May - Johnson City, TN
  • Average high temperature in May: 76°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 May: 51°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 May - Johnson City, TN
  • Average humidity in May: 69.5%

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 May - Johnson City, TN
  • Average rainfall in May: 4.4"

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 May - Johnson City, TN
  • Average snowfall in May: 0"

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 May - Johnson City, TN
  • Average daylight in May: 14.1h

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