April weather forecast and climate
Johnson City, TN

The front entrance to the Public Library in Johnson City, Tennessee
The front entrance to the Public Library in Johnson City, Tennessee

Weather in April

April is a comfortable spring month in Johnson City, Tennessee, with average temperature varying between 44.2°F (6.8°C) and 64.9°F (18.3°C).

Temperature

In April, the average high-temperature increases, from a fresh 54.5°F (12.5°C) in March, to an enjoyable 64.9°F (18.3°C). The average low-temperature, in Johnson City, is 44.2°F (6.8°C).

Humidity

In Johnson City, Tennessee, the average relative humidity in April is 77%.

Rainfall

In April, in Johnson City, Tennessee, the rain falls for 16.8 days. Throughout April, 3.15" (80mm) of precipitation is accumulated. Throughout the year, in Johnson City, there are 187.8 rainfall days, and 32.76" (832mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Johnson City are January through April, October through December. April is the last month it regularly snows in Johnson City. During 1 snowfall days, Johnson City aggregates 0.24" (6mm) of snow. Throughout the year, in Johnson City, there are 32.1 snowfall days, and 13.31" (338mm) of snow is accumulated.

Daylight

In Johnson City, the average length of the day in April is 13.2h.

Sunshine

The average sunshine in Johnson City, Tennessee, is 8.8h.

UV index

In Johnson City, Tennessee, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in April in Johnson City?

The average high-temperature, in April, in Johnson City, Tennessee, is 64.9°F (18.3°C), while the average low-temperature is 44.2°F (6.8°C).

What is the average humidity in April in Johnson City?

In April, the average relative humidity in Johnson City is 77%.

How many days does it rain in April in Johnson City?

In April, in Johnson City, the rain falls for 16.8 days. Throughout April, 3.15" (80mm) of precipitation is accumulated.

What is the last month it snows in Johnson City?

April is the last month it regularly snows in Johnson City. During 1 snowfall days, in April, Johnson City aggregates 0.24" (6mm) of snow.

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

In April, the average length of the day is 13.2h.

How many hours of sunshine does Johnson City have in April?

In April, the average sunshine is 8.8h.

What is the UV index intensity in April in Johnson City?

In Johnson City, Tennessee, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in April
Johnson City, TN

Average temperature in April - Johnson City, TN
  • Average high temperature in April: 18.3°C

The warmest month (with the highest average high temperature) is July (28.5°C).
The month with the lowest average high temperature is January (5.3°C).

  • Average low temperature in April: 6.8°C

The month with the highest average low temperature is July (15.9°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

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Average pressure in April
Johnson City, TN

Average pressure in April - Johnson City, TN
  • Average pressure in April: 1016.2mbar

The month with the highest atmospheric pressure is November (1021.3mbar).
The month with the lowest atmospheric pressure is June (1015.7mbar).

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Average wind speed in April
Johnson City, TN

Average wind speed in April - Johnson City, TN
  • Average wind speed in April: 10.6km/h

The windiest month (with the highest average wind speed) is April (10.6km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).

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Average humidity in April
Johnson City, TN

Average humidity in April - Johnson City, TN
  • Average humidity in April: 77%

Months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is November (75%).

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Average rainfall in April
Johnson City, TN

Average rainfall in April - Johnson City, TN
  • Average rainfall in April: 80mm

The wettest month (with the highest rainfall) is February (83mm).
The driest month (with the least rainfall) is September (45mm).

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Average rainfall days in April
Johnson City, TN

Average rainfall days in April - Johnson City, TN
  • Average rainfall days in April: 16.8 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (11.2 days).

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Average snowfall in April
Johnson City, TN

Average snowfall in April - Johnson City, TN
  • Average snowfall in April: 6mm

The month with the highest snowfall is December (95mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in April
Johnson City, TN

Average snowfall days in April - Johnson City, TN
  • Average snowfall days in April: 1 days

The month with the highest number of snowfall days is January (8.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Johnson City, TN

Average daylight in April / Average sunshine in April - Johnson City, TN
  • Average daylight in April: 13.2h

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

  • Average sunshine in April: 8.8h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 5h).

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Average sunshine days in April
Johnson City, TN

Average sunshine days in April - Johnson City, TN
  • Average sunshine days in April: 11.8 days

The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (8.3 days).

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Average UV index in April
Johnson City, TN

Average UV index in April - Johnson City, TN
  • Average UV index in April: 4

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in April
Johnson City, TN

Average cloud cover in April - Johnson City, TN
  • Average cloud cover in April: 39

The month with the most cloud cover is February (Cloud cover 52).
Months with the least cloud cover are June and August (Cloud cover 31).

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Average visibility in April
Johnson City, TN

Average visibility in April - Johnson City, TN
  • Average visibility in April: 9km

Months with the highest visibility are April, June, July, October and November (9km).
Months with the lowest visibility are January, February, March, May, August, September and December (8km).

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