March weather forecast
Charleston, TN

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Weather in March

March, the first month of the spring in Charleston, is a refreshing month, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 59.2°F (15.1°C).

Temperature

Charleston's transition into March sees a mild rise in the average high-temperature, edging from a cool 51.4°F (10.8°C) in February to a refreshing 59.2°F (15.1°C). Charleston records a mean low-temperature of 41.5°F (5.3°C) in March.

Humidity

The average relative humidity in March is 78%.

Rainfall

In Charleston, during March, the rain falls for 14 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Charleston, Tennessee, during the entire year, the rain falls for 148 days and collects up to 23.9" (607mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. March is the last month it regularly snows in Charleston. During 1 snowfall days, in March, Charleston aggregates 0.2" (5mm) of snow. Throughout the year, there are 5.2 snowfall days, and 1.77" (45mm) of snow is accumulated.

Daylight

In Charleston, the average length of the day in March is 11h and 59min.
On the first day of March in Charleston, sunrise is at 7:07 am and sunset at 6:34 pm EST. On the last day of the month, sunrise is at 7:25 am and sunset at 8:00 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 in Charleston, Tennessee, is 6.7h.

UV index

In Charleston, Tennessee, the average daily maximum UV index in March is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 4 during March leads to these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average March temperature in Charleston?

The average high-temperature, in March, in Charleston, is 59.2°F (15.1°C), while the average low-temperature is 41.5°F (5.3°C).

What is the average humidity in March in Charleston?

In Charleston, Tennessee, the average relative humidity in March is 78%.

How much does it rain in Charleston in March?

In Charleston, in March, during 14 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

What is the last month it snows in Charleston?

March is the last month it regularly snows in Charleston. During 1 snowfall days, in March, Charleston aggregates 0.2" (5mm) of snow.

What is the average length of the day in March in Charleston?

The average day length in March in Charleston is 11h and 59min.

When is the sunrise / sunset in March in Charleston?

On the first day of March, sunrise is at 7:07 am and sunset at 6:34 pm EST. On the last day of the month, sunrise is at 7:25 am and sunset at 8:00 pm EDT.

When does Daylight Saving Time (DST) start in March in Charleston?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Charleston, Tennessee, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Charleston have in March?

In Charleston, the average sunshine duration in March is 6.7h.

What is the UV index intensity in March in Charleston?

In March, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Charleston, TN

Average temperature in March - Charleston, TN
  • Average high temperature in March: 59.2°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.4°F).

  • Average low temperature in March: 41.5°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

Average pressure in March
Charleston, TN

Average pressure in March - Charleston, TN
  • Average pressure in March: 30.1"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in March
Charleston, TN

Average wind speed in March - Charleston, TN
  • Average wind speed in March: 6.5mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in March
Charleston, TN

Average humidity in March - Charleston, TN
  • Average humidity in March: 78%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).

Average rainfall in March
Charleston, TN

Average rainfall in March - Charleston, TN
  • Average rainfall in March: 2.17"

The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in March
Charleston, TN

Average rainfall days in March - Charleston, TN
  • Average rainfall days in March: 14 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in March
Charleston, TN

Average snowfall in March - Charleston, TN
  • Average snowfall in March: 0.2"

The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in March
Charleston, TN

Average snowfall days in March - Charleston, TN
  • Average snowfall days in March: 1 days

The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
Charleston, TN

Average daylight in March / Average sunshine in March - Charleston, TN
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in March: 6h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in March
Charleston, TN

Average sunshine days in March - Charleston, TN
  • Average sunshine days in March: 14.5 days

The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in March
Charleston, TN

Average UV index in March - Charleston, TN
  • Average UV index in March: 4

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in March
Charleston, TN

Average cloud cover in March - Charleston, TN
  • Average cloud cover in March: 47

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in March
Charleston, TN

Average visibility in March - Charleston, TN
  • Average visibility in March: 6mi

The months with the highest visibility are February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, May and December (5mi).

Charleston, Tennessee, USA

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