Myrtle Beach, SC weather in March
Expect cool weather with some rain in Myrtle Beach in March, with highs near 64°F and lows near 42°F. Rain falls on about 8 days.
- Normal high
- 64°F
- Normal low
- 42°F
- Wet days
- 8
- 4.0 in total
- Muggy days
- 0
- dew point 65°F+
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 61°F | 67°F |
| Normal low | 38°F | 46°F |
| Chance of a wet day | 27% | 24% |
| Sunrise / sunset | 6:43 am / 6:11 pm | 7:04 am / 7:35 pm |
| Daylight | 11.5 h | 12.5 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical March day
- 6 am47°Fdew point 41°F
- 9 am54°Fdew point 42°F
- Noon62°Fdew point 40°F
- 3 pm66°Fdew point 40°F
- 6 pm63°Fdew point 40°F
- 9 pm55°Fdew point 43°F
NOAA hourly normals (local standard time) from Florence Rgnl Airport (59 mi away); average wind 8 mph; clear or few clouds in 61% of daytime hours, mostly cloudy or overcast in 34%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°Fnot available
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mphnot available
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow8 of 31
- Notable rainat least 0.10 in6 of 31
- Freezing nightslow 32°F or below4 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain in March
Normal precipitation is 4.0 in; a dry March brings about 2.5 in and a wet one about 4.9 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How March varies from year to year
- Warmest March, 1991-20202012: average high 71°F
- Coolest March2014: average high 60°F
- Wettest March2003: 9.7 in
- Driest March2017: 1.2 in
- Highest reading87°F (March 30, 1997)
- Lowest reading20°F (March 3, 2009)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
March compared with February and April
| February | March | April | |
|---|---|---|---|
| Normal high | 58°F | 64°F | 72°F |
| Normal low | 36°F | 42°F | 51°F |
| Wet days | 9 | 8 | 7 |
| Comfortable days | – | – | – |
| Daylight | 11.0 h | 12.0 h | 13.0 h |
Highs change by +6°F from February and +8°F into April.
Nearby alternatives in March
- Warmer: Columbia, SC125 mi · high 72°F · 9 wet days
- Cooler: Nags Head, NC242 mi · high 59°F · 8 wet days
How Myrtle Beach ranks in March
- Normal high170th warmest of 378 cities; 5th of 5 in South Carolina
- Wet days126th driest of 378
Frost in March
The last spring frost typically comes around Mar 21; in 1 year in 10 it comes after Apr 7. All frost dates for Myrtle Beach.
Heating and cooling
March has 382 heating degree days and 3 cooling degree days (base 65°F), 9% of the year's total heating and cooling demand.
Questions
How cold is Myrtle Beach in March?
The normal high is 64°F and the normal low is 42°F. From 1991 to 2020 the coldest March reading was 20°F (March 3, 2009).
Does it rain a lot in Myrtle Beach in March?
About 8 days in March have at least 0.01 in of precipitation, and the normal total is 4.1 in. The wettest March in 1991-2020 was in 2003 (9.7 in); the driest was in 2017 (1.2 in).
Where the numbers come from
- Temperature and frost dates: Myrtle Beach (USC00386153), 5.8 mi NE of the city center, 39 ft . NOAA normals and daily records, 1991-2020.
- Rain: Brookgreen Gardens (USC00381093), 17 mi SW of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Florence Rgnl Airport (USW00013744), 59 mi NW of the city center, 146 ft (121 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Grand Strand Airport (747915-93718), 13 mi NE of the city center, 29 ft . Hourly observations, 1991-2020.
- Not available for this location: snowfall and snow depth (no station close enough or similar enough in elevation).