Great Smoky Mountains National Park Weather in March
Great Smoky Mountains National Park in March sees moderate temperatures, with highs around 12°C (54°F) and overnight lows of -1°C (30°F). Snow/rainfall is fairly high at around 148 mm (5.8 in) on average, so pack waterproofs just in case.
Rainfall in Great Smoky Mountains National Park in March
Historically, approximately 15 days this month are expected to have snow/rain, averaging 148 mm (5.8 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Great Smoky Mountains National Park in March
Daytime highs in Great Smoky Mountains National Park in March reach 12°C (54°F), with nights around -1°C (30°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of -1°C (30°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.
Sunshine in Great Smoky Mountains National Park in March
The city usually sees around 209 hours of sunlight, indicating many sunny days despite the cool temperatures, making it a good month for sightseeing.If you prefer dry days with pleasant temperatures, March may not be the ideal month to visit Great Smoky Mountains National Park. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Great Smoky Mountains National Park's climate page.
Great Smoky Mountains National Park Temperature in March
Min Temperature
-1°C (30°F)
Max Temperature
12°C (54°F)
Chance of Rain
50%
Precipitation
148 mm (5.8 in)
Rainy days
15 days
Humidity
64% *
Sunshine
209 hours *
Percentage Sunshine
55% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Great Smoky Mountains National Park typically rise from around 14°C (57°F) at the start of March to approximately 19°C (66°F) by the end. Nights are cold, with lows typically ranging from 2°C (36°F) to 8°C (46°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Great Smoky Mountains National Park in March
Browse day-by-day weather records for Great Smoky Mountains National Park spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Great Smoky Mountains National Park historical weather extremes in March
According to our 50 years of weather records for Great Smoky Mountains National Park, the following extremes were recorded between 1976 and 2026.
- The warmest day in March was on March 25, 2007, with a maximum of 29°C (84°F).
- The lowest overnight temperature recorded in March was -14°C (7°F) (March 15, 1993).
Best Places in the United States of America in March
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in March →
perfect weather
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tolerable
unpleasant
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What to Wear in Great Smoky Mountains National Park in March
Pack for changing conditions in Great Smoky Mountains National Park in March. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Great Smoky Mountains National Park in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Great Smoky Mountains National Park's climate page.
