April weather forecast
Great Smoky Mountains National Park, TN

Breathtaking panorama of the Great Smoky Mountains National Park in Tennessee,
Breathtaking panorama of the Great Smoky Mountains National Park in Tennessee,

Weather in April

April in Great Smoky Mountains National Park, Tennessee, is a moderate spring month, with an average temperature varying between 37°F (2.8°C) and 57°F (13.9°C).

Temperature

In April, the average high-temperature increases from a chilly 46.9°F (8.3°C) in March to a moderate 57°F (13.9°C). In April, the average low-temperature is 37°F (2.8°C).

Rainfall

In Great Smoky Mountains National Park, during April, the rain falls for 10 days and regularly aggregates up to 5.98" (152mm) of precipitation. Throughout the year, there are 123 rainfall days, and 72.13" (1832mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Great Smoky Mountains National Park. In Great Smoky Mountains National Park, during 2 snowfall days, 6.61" (168mm) of snow is typically accumulated. In Great Smoky Mountains National Park, during the entire year, snow falls for 27 days and aggregates up to 81.5" (2070mm) of snow.

Daylight

In Great Smoky Mountains National Park, the average length of the day in April is 13h and 7min.
On the first day of the month, sunrise is at 7:20 am and sunset at 7:55 pm. On the last day of April, in Great Smoky Mountains National Park, sunrise is at 6:42 am and sunset at 8:19 pm EDT.

Sunshine

In April, the average sunshine in Great Smoky Mountains National Park is 8h.

UV index

In April, the average daily maximum UV index is 8. A UV Index value of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 8 in April interpret into the following advice:
Take extra precautions. Protection against sun damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 Great Smoky Mountains National Park?

In Great Smoky Mountains National Park, in April, the average high-temperature is 57°F (13.9°C), and the average low-temperature is 37°F (2.8°C).

How many days does it rain in April in Great Smoky Mountains National Park?

In Great Smoky Mountains National Park, during April, the rain falls for 10 days and regularly aggregates up to 5.98" (152mm) of precipitation.

How many days does it snow in April in Great Smoky Mountains National Park?

In Great Smoky Mountains National Park, Tennessee, in April, during 2 snowfall days, 6.61" (168mm) of snow is typically accumulated.

How many hours of daylight does Great Smoky Mountains National Park have in April?

In Great Smoky Mountains National Park, Tennessee, the average day length in April is 13h and 7min.

When is the sunrise / sunset in April in Great Smoky Mountains National Park?

In April, on the first day of the month, sunrise is at 7:20 am and sunset at 7:55 pm. On the last day of the month, in Great Smoky Mountains National Park, sunrise is at 6:42 am and sunset at 8:19 pm EDT.

How long on average sun shines in April in Great Smoky Mountains National Park?

The average sunshine duration in April in Great Smoky Mountains National Park is 8h.

What is the UV index reading in April in Great Smoky Mountains National Park?

In Great Smoky Mountains National Park, the average daily maximum UV index in April is 8. A UV Index of 8 to 10 symbolizes a very high health threat from unprotected exposure to UV radiation.
Average rainfall days
Average snowfall days
Average sunshine
Average UV index

Average temperature in April
Great Smoky Mountains National Park, TN

Average temperature in April - Great Smoky Mountains National Park, TN
  • Average high temperature in April: 57°F

The warmest month (with the highest average high temperature) is July (71°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in April: 37°F

The months with the highest average low temperature are July and August (55°F).
The coldest month (with the lowest average low temperature) is January (20°F).

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Average rainfall in April
Great Smoky Mountains National Park, TN

Average rainfall in April - Great Smoky Mountains National Park, TN
  • Average rainfall in April: 6"

The wettest month (with the highest rainfall) is July (7.6").
The driest month (with the least rainfall) is October (4.3").

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Average rainfall days in April
Great Smoky Mountains National Park, TN

Average rainfall days in April - Great Smoky Mountains National Park, TN
  • Average rainfall days in April: 10 days

The month with the highest number of rainy days is July (14 days).
The months with the least rainy days are September, October and November (8 days).

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Average snowfall in April
Great Smoky Mountains National Park, TN

Average snowfall in April - Great Smoky Mountains National Park, TN
  • Average snowfall in April: 6.6"

The month with the highest snowfall is February (18.1").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Great Smoky Mountains National Park, TN

Average snowfall days in April - Great Smoky Mountains National Park, TN
  • Average snowfall days in April: 2 days

The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in April /
Average sunshine in April
Great Smoky Mountains National Park, TN

Average daylight in April / Average sunshine in April - Great Smoky Mountains National Park, TN
  • Average daylight in April: 13h and 7min

The month with the longest days is June (Average daylight: 14h and 32min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in April: 8h

The months with the most sunshine are May, June and July (Average sunshine: 9h).
The month with the least sunshine is December (Average sunshine: 4h).

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Average UV index in April
Great Smoky Mountains National Park, TN

Average UV index in April - Great Smoky Mountains National Park, TN
  • Average UV index in April: 8

The months with the highest UV index are June and July (UV index 10).
The month with the lowest UV index is December (UV index 2).

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