Myrtle Beach Weather in March

As spring approaches, Myrtle Beach in South Carolina enjoys increasingly comfortable temperatures and sunny skies during March.

This page gives detailed information on the typical March weather for Myrtle Beach.

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The temperature and rainfall numbers here are historical averages based on climate data gathered at Myrtle Beach. The sunshine and humidity measurements are averages from the Charleston International Airport located south along the coast in North Charleston, SC. This weather station has a climate similar to Myrtle Beach and is the closest one that collects sun and humidity information for the National Climatic Data Center.

Temperature Weather iconTemperature

64 °F March average high 18 °C
42 °F March average low 6 °C

In most years, Myrtle Beach averages a daily maximum temperature for March that's between 62 and 67 degrees Fahrenheit (17 to 20 degrees Celsius). The minimum temperature usually falls between 39 and 45 °F (4 to 7 °C).

The days at this vacation spot warm quickly during March. By the end of the month, the temperature has climbed around 7 °F (4 °C) above what it was at the start.

23 days 60 °F max. or more (16 °C)
13 days 40 °F min. or less (4 °C)

The temperature rises nearly every day in March to over 50 °F (10 °C) at Myrtle Beach. The resort city averages 7 days this month when the thermometer reaches into the 70s °F (over 21 °C). Temperatures above 80 °F (27 °C) don't happen every year here during March.

The thermometer dips to below freezing on an average of 4 nights. But March only rarely gets as cold as 20 °F (-8 °C).

Rainy Weather iconRain

3.9 in total precipitation 100 mm
7 days of rain

March is an average month for amount of rainfall at Myrtle Beach.

Sunny Weather iconSun

66 % sunshine
9 days clear skies

The sun's rays reach the ground in Myrtle Beach during 66 percent of daylight hours on average in March, for a total of 246 hours in the month. Typically on 9 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in March at the city lasts for 11 hours and 59 minutes a day on average. The shortest day of the month is the 1st with 11 hours and 29 minutes of daylight. By the end of the month, the days have lengthened to 12:31 from sunrise to sunset. These durations can vary by a minute or two from year to year.

Humid Weather iconHumidity

68 % March average humidity

The relative humidity in Myrtle Beach during March usually peaks at 83 percent in the morning then drops to 50 percent by early afternoon.

Local Time1 am4 am7 am10 am1 pm4 pm7 pm10 pm
Humidity % 80 82 83 61 50 51 64 75

These weather data are long-term historical averages provided by the National Climatic Data Center of the United States. The temperature and precipitation numbers are 1981-2010 normals while the humidity statistics are 1961-1990 normals.

Myrtle Beach Weather
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