March weather forecast
Great Smoky Mountains National Park, TN

As Great Smoky Mountains National Park segues into March, a definable increase in temperatures discerns the arrival of spring. The conversation of seasons from the icy winter to the reviving spring holds an attractive prospect for those favouring nature's rebirth. Be sure to enjoy greener landscapes as the snowfall lowers to 16.8" (427mm) existing only as remnants of winter. Increasing daylight hours provide larger windows for outdoor exploration and activities. Come prepared for sporadic rainfall and chillier afternoons.

Temperature

The start of March signals a slight increase in the average high-temperature, moving from an icy 39.9°F (4.4°C) in February to a chilly 46.9°F (8.3°C). An average low-temperature of 28°F (-2.2°C) is noted during the nights in March.

Rainfall

In Great Smoky Mountains National Park, Tennessee, during March, the rain falls for 11 days and regularly aggregates up to 6.22" (158mm) of precipitation. In Great Smoky Mountains National Park, 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, in March, snow falls for 5 days, with typically accumulated 16.85" (428mm) of snow. Throughout the year, there are 27 snowfall days, and 81.5" (2070mm) of snow is accumulated.

Daylight

In Great Smoky Mountains National Park, the average length of the day in March is 11h and 59min.
On the first day of the month, sunrise is at 7:02 am and sunset at 6:29 pm EST. On the last day of March, sunrise is at 7:20 am and sunset at 7:55 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

In March, the average sunshine is 7h.

UV index

In Great Smoky Mountains National Park, the average daily maximum UV index in March is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 6 during March morphs into the following directions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. During bright days, sunglasses that offer UVA and UVB defense are recommended. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.