Myrtle Beach weather in March: Myrtle Beach, South Carolina: normal highs, lows, rain and records for March
Myrtle Beach in March has a normal high of 65°F and a normal low of 45°F, a daily mean of 55°F, rising from 61°F on the 1st to 68°F by the 31st. Measurable precipitation falls on 10 days in a normal March, 3.59 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 7°C, 91 mm of precipitation in March.
- NOAA stationNorth Myrtle Beach
- Station IDUSW00093718
- Location33.81°N 78.72°W
- Elevation32 ft (10 m)
- From the center12 miles
- Population40,535
- Jan 56° 37°
- Feb 58° 40°
- Mar 65° 45°
- Apr 72° 53°
- May 79° 62°
- Jun 85° 70°
- Jul 88° 74°
- Aug 87° 73°
- Sep 83° 68°
- Oct 76° 56°
- Nov 66° 46°
- Dec 59° 40°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Myrtle Beach in March?
The normal high is 65°F and the normal low 45°F, for a daily mean of 55.0°F. March is 6.1°F warmer than February and 7.5°F cooler than April. March is the 9th warmest month of the year in Myrtle Beach and the 6th wettest. Across the month the normal high rises 7°F, from 61°F on March 1 to 68°F on March 31. From one year to the next March's mean temperature typically moves about 3.3°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 52°F and 58°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 61°F | 42°F | 31% | 20% |
| March 8 | 63°F | 44°F | 31% | 19% |
| March 15 | 65°F | 45°F | 31% | 19% |
| March 22 | 66°F | 47°F | 32% | 19% |
| March 31 | 68°F | 49°F | 31% | 18% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 61°F | 42°F | 31% | 20% | 11 h 30 min |
| March 2 | 62°F | 43°F | 31% | 20% | 11 h 30 min |
| March 3 | 62°F | 43°F | 31% | 19% | 11 h 30 min |
| March 4 | 62°F | 43°F | 31% | 19% | 11 h 30 min |
| March 5 | 62°F | 43°F | 31% | 19% | 11 h 30 min |
| March 6 | 63°F | 43°F | 31% | 19% | 11 h 40 min |
| March 7 | 63°F | 44°F | 31% | 19% | 11 h 40 min |
| March 8 | 63°F | 44°F | 31% | 19% | 11 h 40 min |
| March 9 | 63°F | 44°F | 31% | 19% | 11 h 40 min |
| March 10 | 63°F | 44°F | 31% | 19% | 11 h 40 min |
| March 11 | 64°F | 44°F | 31% | 19% | 11 h 50 min |
| March 12 | 64°F | 45°F | 31% | 19% | 11 h 50 min |
| March 13 | 64°F | 45°F | 31% | 19% | 11 h 50 min |
| March 14 | 64°F | 45°F | 31% | 19% | 11 h 50 min |
| March 15 | 65°F | 45°F | 31% | 19% | 11 h 50 min |
| March 16 | 65°F | 45°F | 31% | 19% | 12 h |
| March 17 | 65°F | 46°F | 31% | 19% | 12 h |
| March 18 | 65°F | 46°F | 31% | 19% | 12 h |
| March 19 | 65°F | 46°F | 31% | 19% | 12 h |
| March 20 | 66°F | 46°F | 31% | 19% | 12 h 10 min |
| March 21 | 66°F | 46°F | 32% | 19% | 12 h 10 min |
| March 22 | 66°F | 47°F | 32% | 19% | 12 h 10 min |
| March 23 | 66°F | 47°F | 32% | 19% | 12 h 10 min |
| March 24 | 66°F | 47°F | 32% | 19% | 12 h 10 min |
| March 25 | 67°F | 47°F | 32% | 19% | 12 h 20 min |
| March 26 | 67°F | 48°F | 32% | 19% | 12 h 20 min |
| March 27 | 67°F | 48°F | 32% | 18% | 12 h 20 min |
| March 28 | 67°F | 48°F | 32% | 18% | 12 h 20 min |
| March 29 | 68°F | 48°F | 32% | 18% | 12 h 20 min |
| March 30 | 68°F | 49°F | 32% | 18% | 12 h 30 min |
| March 31 | 68°F | 49°F | 31% | 18% | 12 h 30 min |
- Normal high
- 65°FMarch average
- Normal low
- 45°FMarch average
- Precipitation
- 3.59 inmonth total
- Days with precipitation
- 100.01 inch or more
- Nights at 32°F or colder
- 3
- Daylight
- 11 h 30 min to 12 h 30 minMarch 1 to March 31
- Days at 70°F or more
- 9
- Days at 80°F or more
- 1
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093718; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Myrtle Beach in March?
On a given March day the chance of 0.01 inch or more is 31% on average, highest around March 25 (32%). In all, 3.59 in falls on 10 days of a normal March, 1 of them with an inch or more.
In a normal March in Myrtle Beach, 3 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093718.
What are the records for March in Myrtle Beach?
The warmest March temperature on Myrtle Beach's official record (since 1931) is 88°F, on March 18, 1963; the coldest is 18°F, on March 4, 1943. The wettest March brought 9.39 in (1965); the snowiest, 1.0 inches (1960).
The March mean against the 1991-2020 normal of 55.0°F: 2021 57.0°F (+2.0), 2022 57.6°F (+2.6), 2023 57.3°F (+2.3), 2024 60.0°F (+5.0), 2025 57.7°F (+2.7), 2026 58.3°F (+3.3). 6 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 57.0°F | +2.0°F | 2.80 in |
| 2022 | 57.6°F | +2.6°F | 3.23 in |
| 2023 | 57.3°F | +2.3°F | 1.19 in |
| 2024 | 60.0°F | +5.0°F | 4.10 in |
| 2025 | 57.7°F | +2.7°F | 3.57 in |
| 2026 | 58.3°F | +3.3°F | 0.78 in |
Source: records: ACIS, NWS threaded record CREthr; recent months: ACIS, station USW00093718. Records and recent months use complete months only.
How does March in Myrtle Beach compare across South Carolina?
Across the 73 places PlainClimate covers in South Carolina, March normal highs run from 56°F in Caesars Head to 72°F in Hampton; Myrtle Beach's is 65°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Myrtle Beach in February58°F by day, 40°F at night
- Myrtle Beach in April72°F by day, 53°F at night
- Myrtle Beach through the yearEvery month, frost dates, records and recent years
- South Carolina in MarchThe statewide normal and the warmest and coolest places
- Hampton: South Carolina's warmest Marchnormal high 72°F