April weather forecast
Great Smoky Mountains National Park, TN

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

In Great Smoky Mountains National Park, the onset of April comes with an increased average high-temperature, moving from March's frosty 46.9°F (8.3°C) to a refreshing 57°F (13.9°C). Great Smoky Mountains National Park throughout April, records an average low-temperature of 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. Throughout the year, in Great Smoky Mountains National Park, 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 April, 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 April, sunrise is at 7:19 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 8:20 pm EDT.

Sunshine

The average sunshine in April is 8h.

UV index

In April, the average daily maximum UV index is 8. A UV Index of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 8 in April suggests the following recommendations:
Prioritize protection; rapid damage can occur to unprotected eyes and skin. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.