Myrtle Beach, SC Climate & Monthly Averages
The climate of Myrtle Beach
Located in South Carolina, United States, Myrtle Beach experiences a humid subtropical climate with hot, humid summers and generally mild winters. Afternoon temperatures peak near 87°F (30°C) in July and dip to about 56°F (14°C) in January, with around 58.5 inches (1487 mm) of precipitation falling across the year.
Climate quick facts
- Hottest month: July - highs near 87°F (30°C)
- Coldest month: January - highs near 56°F (14°C)
- Record high: 97°F (36°C) · Record low: 19°F (-7°C) (2015–2024)
- Wettest month: August (20 rainy days) · Sunniest: June (11.8 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 87°F (30°C) and overnight lows stay near 75°F (24°C). The coolest month is January, with typical highs of 56°F (14°C) and lows around 42°F (6°C). Based on 2015–2024 weather data, temperatures have reached as high as 97°F (36°C) and dropped as low as 19°F (-7°C).
Rain, sun and snow
August is usually the wettest month. It brings about 7.9 inches (200 mm) of rain over 20 days, while March is the driest. June brings the most sunshine, averaging 11.8 hours of sun a day. Snowfall is rare but not unheard of.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 56° | 42° | 9 | 3.6 in | 7.5 h/day | 72% |
| February | 61° | 45° | 9 | 3.9 in | 7.9 h/day | 74% |
| March | 66° | 50° | 9 | 3.4 in | 8.8 h/day | 70% |
| April | 72° | 57° | 8 | 3.5 in | 10.8 h/day | 70% |
| May | 79° | 65° | 11 | 3.8 in | 11.4 h/day | 75% |
| June | 84° | 72° | 16 | 5.4 in | 11.8 h/day | 78% |
| July | 87° | 75° | 20 | 7.0 in | 11.4 h/day | 82% |
| August | 85° | 74° | 20 | 7.9 in | 10.6 h/day | 83% |
| September | 82° | 70° | 13 | 7.7 in | 10.0 h/day | 80% |
| October | 75° | 61° | 7 | 4.1 in | 9.3 h/day | 76% |
| November | 66° | 51° | 8 | 3.7 in | 8.2 h/day | 74% |
| December | 60° | 46° | 10 | 4.6 in | 7.0 h/day | 76% |
Myrtle Beach month by month
Myrtle Beach weather in January
January brings highs around 56°F (14°C), lows near 42°F (6°C), about 9 wet days - typically the coldest month of the year in Myrtle Beach.
Myrtle Beach weather in February
February brings highs around 61°F (16°C), lows near 45°F (7°C), about 9 wet days.
Myrtle Beach weather in March
March brings highs around 66°F (19°C), lows near 50°F (10°C), about 9 wet days - typically the driest month of the year in Myrtle Beach.
Myrtle Beach weather in April
April brings highs around 72°F (22°C), lows near 57°F (14°C), about 8 wet days.
Myrtle Beach weather in May
May brings highs around 79°F (26°C), lows near 65°F (18°C), about 11 wet days.
Myrtle Beach weather in June
June brings highs around 84°F (29°C), lows near 72°F (22°C), about 16 wet days - typically the sunniest month of the year in Myrtle Beach.
Myrtle Beach weather in July
July brings highs around 87°F (30°C), lows near 75°F (24°C), about 20 wet days - typically the hottest month of the year in Myrtle Beach.
Myrtle Beach weather in August
August brings highs around 85°F (30°C), lows near 74°F (24°C), about 20 wet days - typically the wettest month of the year in Myrtle Beach.
Myrtle Beach weather in September
September brings highs around 82°F (28°C), lows near 70°F (21°C), about 13 wet days.
Myrtle Beach weather in October
October brings highs around 75°F (24°C), lows near 61°F (16°C), about 7 wet days.
Myrtle Beach weather in November
November brings highs around 66°F (19°C), lows near 51°F (11°C), about 8 wet days.
Myrtle Beach weather in December
December brings highs around 60°F (16°C), lows near 46°F (8°C), about 10 wet days.
Seasons in Myrtle Beach
Spring (March through May)
Spring in Myrtle Beach brings comfortable warmth, with daytime highs averaging 72°F (22°C) and nights around 57°F (14°C); expect showers on roughly 28 days across the season.
Summer (June through August)
Summer in Myrtle Beach runs hot, with daytime highs averaging 85°F (30°C) and nights around 74°F (23°C); expect showers on roughly 56 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
Fall (September through November)
Fall in Myrtle Beach is pleasantly warm, with daytime highs averaging 74°F (24°C) and nights around 61°F (16°C); expect showers on roughly 28 days across the season.
Winter (December through February)
Winter in Myrtle Beach is mild, with daytime highs averaging 59°F (15°C) and nights around 44°F (7°C); expect showers on roughly 28 days across the season.
Climate questions, answered
What is the average temperature in Myrtle Beach?
Is Myrtle Beach hot in summer?
Is Myrtle Beach cold in winter?
How many rainy days does Myrtle Beach get in a year?
Best time to visit Myrtle Beach
The best time to visit Myrtle Beach is generally February to May and October to November, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 70°F (21°C).
Pack for Myrtle Beach with lightweight, breathable clothing and strong sun protection for the hot months; a warm jacket and layers for the cooler season; a compact umbrella or rain shell - showers are a regular feature; moisture-wicking fabrics to cope with the humidity. Evenings can feel noticeably cooler than afternoons - July nights average 75°F (24°C).
Myrtle Beach temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.