March weather forecastCharleston International Airport, SC
March
Weather in March
March signifies the departure of the severest winter temperatures at Charleston International Airport, with the weather beginning to warm. March's showers herald the approach of spring, with precipitation levels recorded at 3.8" (97mm). This month yields more sunlight hours, paving the way for an increased UV index. Outdoor activities become more appealing as the days become longer, and the city begins to thaw. Despite the chilly eves, the slowly escalating temperatures hint at the blossoming spring in the near horizon.Temperature
The shift from February to March sees an increase in the average high-temperature, transitioning from a frosty 44.6°F (7°C) to a moderate 57.2°F (14°C). Despite the intense daytime heat, Charleston International Airport sustains a steady low-temperature average of 33.8°F (1°C) during March.Rainfall
In Charleston International Airport, during March, the rain falls for 14 days and regularly aggregates up to 3.82" (97mm) of precipitation. Throughout the year, there are 151 rainfall days, and 41.93" (1065mm) of precipitation is accumulated.Daylight
The average length of the day in March is 12h and 0min.On the first day of March, sunrise is at 6:46 am and sunset at 6:17 pm EST. On the last day of the month, sunrise is at 7:08 am and sunset at 7:39 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 6h.UV index
In March, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 5 in March translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Charleston International Airport, SC
- Average high temperature in March: 57°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in March: 34°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average rainfall in March
Charleston International Airport, SC
- Average rainfall in March: 3.8"
The wettest month (with the highest rainfall) is July (4.8").
The driest month (with the least rainfall) is October (2.8").
Average rainfall days in March
Charleston International Airport, SC
- Average rainfall days in March: 14 days
The month with the highest number of rainy days is January (15 days).
The months with the least rainy days are September and October (10 days).
Average daylight in March /
Average sunshine in March
Charleston International Airport, SC
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in March: 6h
The months with the most sunshine are May, June, July and August (Average sunshine: 8h).
The month with the least sunshine is December (Average sunshine: 3h).
Average UV index in March
Charleston International Airport, SC
- Average UV index in March: 5
The months with the highest UV index are June, July and August (UV index 9).
The months with the lowest UV index are January and December (UV index 2).
