Myrtle Beach weather in December: Myrtle Beach, South Carolina: normal highs, lows, rain and records for December
Myrtle Beach in December has a normal high of 59°F and a normal low of 40°F, a daily mean of 50°F, falling from 62°F on the 1st to 57°F by the 31st. Measurable precipitation falls on 10 days in a normal December, 3.10 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 15°C and low of 4°C, 79 mm of precipitation in December.
- 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 December?
The normal high is 59°F and the normal low 40°F, for a daily mean of 49.6°F. December is 6.4°F cooler than November and 3.4°F warmer than January. December is the 10th warmest month of the year in Myrtle Beach and the 9th wettest. Across the month the normal high falls 5°F, from 62°F on December 1 to 57°F on December 31. From one year to the next December's mean temperature typically moves about 4.3°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 45°F and 54°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 33%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 62°F | 42°F | 32% | 16% |
| December 8 | 61°F | 41°F | 33% | 17% |
| December 15 | 59°F | 40°F | 33% | 17% |
| December 22 | 58°F | 39°F | 33% | 17% |
| December 31 | 57°F | 38°F | 32% | 17% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 62°F | 42°F | 32% | 16% | 10 h 10 min |
| December 2 | 62°F | 42°F | 32% | 16% | 10 h |
| December 3 | 62°F | 42°F | 32% | 16% | 10 h |
| December 4 | 62°F | 42°F | 32% | 16% | 10 h |
| December 5 | 61°F | 42°F | 32% | 17% | 10 h |
| December 6 | 61°F | 42°F | 33% | 17% | 10 h |
| December 7 | 61°F | 41°F | 33% | 17% | 10 h |
| December 8 | 61°F | 41°F | 33% | 17% | 10 h |
| December 9 | 60°F | 41°F | 33% | 17% | 10 h |
| December 10 | 60°F | 41°F | 33% | 17% | 10 h |
| December 11 | 60°F | 41°F | 33% | 17% | 10 h |
| December 12 | 60°F | 41°F | 33% | 17% | 10 h |
| December 13 | 60°F | 41°F | 33% | 17% | 10 h |
| December 14 | 60°F | 40°F | 33% | 17% | 10 h |
| December 15 | 59°F | 40°F | 33% | 17% | 10 h |
| December 16 | 59°F | 40°F | 33% | 17% | 10 h |
| December 17 | 59°F | 40°F | 33% | 17% | 9 h 50 min |
| December 18 | 59°F | 40°F | 33% | 17% | 9 h 50 min |
| December 19 | 59°F | 40°F | 33% | 17% | 9 h 50 min |
| December 20 | 59°F | 39°F | 33% | 17% | 9 h 50 min |
| December 21 | 58°F | 39°F | 33% | 17% | 9 h 50 min |
| December 22 | 58°F | 39°F | 33% | 17% | 9 h 50 min |
| December 23 | 58°F | 39°F | 33% | 17% | 9 h 50 min |
| December 24 | 58°F | 39°F | 33% | 17% | 9 h 50 min |
| December 25 | 58°F | 39°F | 33% | 17% | 9 h 50 min |
| December 26 | 58°F | 38°F | 33% | 17% | 9 h 50 min |
| December 27 | 58°F | 38°F | 33% | 17% | 9 h 50 min |
| December 28 | 57°F | 38°F | 33% | 17% | 9 h 50 min |
| December 29 | 57°F | 38°F | 33% | 17% | 10 h |
| December 30 | 57°F | 38°F | 33% | 17% | 10 h |
| December 31 | 57°F | 38°F | 32% | 17% | 10 h |
- Normal high
- 59°FDecember average
- Normal low
- 40°FDecember average
- Precipitation
- 3.10 inmonth total
- Days with precipitation
- 100.01 inch or more
- Nights at 32°F or colder
- 9
- Daylight
- 10 h 10 min to 10 hDecember 1 to December 31
- Days at 70°F or more
- 4
- Sunshine
- 74%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 December?
On a given December day the chance of 0.01 inch or more is 33% on average, highest around December 13 (33%). In all, 3.10 in falls on 10 days of a normal December, 1 of them with an inch or more.
In a normal December in Myrtle Beach, 9 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093718.
What are the records for December in Myrtle Beach?
The warmest December temperature on Myrtle Beach's official record (since 1931) is 84°F, on December 20, 1931; the coldest is 10°F, on December 24, 1989. The wettest December brought 8.70 in (2009); the snowiest, 14.0 inches (1989).
The December mean against the 1991-2020 normal of 49.6°F: 2021 55.8°F (+6.2), 2022 47.9°F (−1.8), 2023 52.5°F (+2.9), 2024 49.3°F (−0.3), 2025 47.1°F (−2.5). 2 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 55.8°F | +6.2°F | 2.37 in |
| 2022 | 47.9°F | −1.8°F | 1.91 in |
| 2023 | 52.5°F | +2.9°F | 6.37 in |
| 2024 | 49.3°F | −0.3°F | 1.43 in |
| 2025 | 47.1°F | −2.5°F | 2.65 in |
Source: records: ACIS, NWS threaded record CREthr; recent months: ACIS, station USW00093718. Records and recent months use complete months only.
How does December in Myrtle Beach compare across South Carolina?
Across the 73 places PlainClimate covers in South Carolina, December normal highs run from 48°F in Caesars Head to 64°F in Hampton; Myrtle Beach's is 59°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Myrtle Beach in November66°F by day, 46°F at night
- Myrtle Beach in January56°F by day, 37°F at night
- Myrtle Beach through the yearEvery month, frost dates, records and recent years
- South Carolina in DecemberThe statewide normal and the warmest and coolest places
- Hampton: South Carolina's warmest Decembernormal high 64°F