April weather forecastGreat Smoky Mountains National Park, TN

Weather in April

Stepping into April, the Great Smoky Mountains National Park enjoys a palpable spring. The stark contrast from the dwindling winter and the emergent springtime marks a stark shift in the park's typical activities. Notably, the snowfall dips dramatically from March's 16.8" (427mm) to just 6.6" (168mm) in April. Visitors can expect an increase in daylight hours, promising elongated periods for exploring the park's wonders. Occasional rainfall may punctuate the days as April showers spur the growth of new life.

Temperature

As Great Smoky Mountains National Park enters April, the average high-temperature increases from the a frosty 46.9°F (8.3°C) of March to a mild 57°F (13.9°C). The mean low-temperature during April nights is an icy 37°F (2.8°C).

Rainfall

In Great Smoky Mountains National Park, in April, it is raining for 10 days, with typically 5.98" (152mm) of accumulated precipitation. In Great Smoky Mountains National Park, Tennessee, during the entire year, the rain falls for 123 days and collects up to 72.13" (1832mm) of precipitation.

Snowfall

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

Daylight

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

Sunshine

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

UV index

In April, the average daily maximum UV index is 8. A UV Index reading of 8 to 10 represents a very high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum UV index of 8 in April translates into the following recommendations:
Without proper safety measures, skin and eyes can be quickly harmed. Be sure to protect yourself. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.