Myrtle Beach, SC Climate & Monthly Averages
The climate of Myrtle Beach
Myrtle Beach averages 66°F (19°C) across the year, with 9.6 hours of sunshine a day and 58.5 inches (1487 mm) of precipitation. The spread runs from January, at 56°F (14°C), to July, at 87°F (30°C).
Climate quick facts
- Hottest month: July - highs near 87°F (30°C)
- Coldest month: January - highs near 56°F (14°C)
- Decade extremes (2015-2024): 97°F (36°C) high · 19°F (-7°C) low
- Wettest month: August (20 rainy days) · Sunniest: June (11.8 h sun/day)
- Climate type: humid subtropical
- Annual swing: 18°C between the average warmest and coolest month · day to night: 8°C
- Months averaging 30°C or hotter: 1
- Average humidity: 76%
Temperatures through the year
Snowfall is rare but not unheard of. January sits at the other end of the year: 56°F (14°C) by day, 42°F (6°C) at night. At its warmest, in July, Myrtle Beach runs to 87°F (30°C) in the afternoon and back to 75°F (24°C) by dawn. The wettest month is August (7.9 inches (200 mm) across 20 days) and the driest March.
Rain, sun and snow
Five of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is March through May. The gridded 2015-2024 daily record for this location tops out at 97°F (36°C) and bottoms at 19°F (-7°C) - decade extremes, not all-time station records.
How Myrtle Beach compares
- Myrtle Beach sits close to the middle of our dataset on most measures: 66°F (19°C) as an annual average, 58.5 inches (1487 mm) of precipitation and 9.6 hours of sun a day.
Ranked against every city in our dataset, each measured on the same ten-year window.
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 settles into easy warmth here - highs near 72°F (22°C), nights near 57°F (14°C), and expect showers on roughly 28 days across the season. Daylight is generous - around 10.3 hours of sun a day.
Summer (June through August)
Summer is hot here - highs near 85°F (30°C), nights near 74°F (23°C), and rain falls on around 56 of the 90 days. Daylight is generous - around 11.3 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
Fall (September through November)
Fall is mild and warm here - highs near 74°F (24°C), nights near 61°F (16°C), and expect showers on roughly 28 days across the season.
Winter (December through February)
Winter is crisp but comfortable here - highs near 59°F (15°C), nights near 44°F (7°C), and expect showers on roughly 28 days across the season.
Climate questions, answered
How humid does Myrtle Beach get?
What should I pack for Myrtle Beach?
How hot does Myrtle Beach get in summer?
What is the average temperature in Myrtle Beach?
How often does it rain in Myrtle Beach?
Best time to visit Myrtle Beach
February to May and October to November is the sweet spot for Myrtle Beach - warm days, manageable rainfall and plenty of daylight line up. Expect 70°F (21°C) in the afternoon and around 9 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in February.
Pack for Myrtle Beach with light clothing for the warm months, a warm jacket and layers for the cooler season, proper waterproofs rather than an umbrella - wet days are the norm here and moisture-wicking fabrics for the humidity. Note the gap between afternoon and night: July pairs 87°F (30°C) with 75°F (24°C).
Myrtle Beach temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.