Myrtle Beach, South Carolina Weather
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Climate of Myrtle Beach: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Myrtle Beach, with average daytime highs around 29°C. January is the coolest, when nights typically fall to about 9°C.
The area receives about 1450 mm of rain in a typical year. Most of it falls from May to October and December (around 70% of the yearly total), and August is the wettest month at roughly 189 mm.
For outdoor plans and travel, April and November usually offer the most comfortable weather in Myrtle Beach, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 14° | 9° | 69 mm | 79% |
| Feb | 15° | 10° | 94 mm | 79% |
| Mar | 17° | 13° | 95 mm | 79% |
| Apr | 21° | 16° | 83 mm | 79% |
| May | 24° | 21° | 107 mm | 79% |
| Jun | 28° | 25° | 149 mm | 80% |
| Jul | 29° | 26° | 176 mm | 80% |
| Aug | 29° | 26° | 189 mm | 81% |
| Sep | 27° | 24° | 172 mm | 79% |
| Oct | 24° | 20° | 118 mm | 77% |
| Nov | 19° | 14° | 92 mm | 77% |
| Dec | 16° | 11° | 106 mm | 80% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Myrtle Beach. Values describe typical conditions, not a forecast.
About Myrtle Beach weather
Myrtle Beach sits within South Carolina's humid subtropical climate, coastal and low-lying for much of the state, about 140 km north-east of Charleston. Summers bring hot, humid summers (June–August) with highs commonly in the low-to-mid 30s°C. The year winds down with mild winters (December–February), rarely dropping below freezing near the coast. This page shows live, auto-refreshing weather for Myrtle Beach: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/New_York.
Frequently asked questions
Myrtle Beach is about 140 km north-east of Charleston, in South Carolina.
Myrtle Beach sees mild winters (December–February), rarely dropping below freezing near the coast.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Myrtle Beach's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Myrtle Beach, with average daytime highs of about 29°C and nights around 26°C.
The coldest nights come in January, when the average low is about 9°C and daytime highs reach around 14°C.
Myrtle Beach receives about 1450 mm of rain in a typical year. August is the wettest month at roughly 189 mm, and the main rainy period is May to October and December.
April and November usually offer the most comfortable weather in Myrtle Beach, with mild daytime temperatures and little rain.
In November Myrtle Beach typically sees daytime highs near 19°C and lows near 14°C, with about 92 mm of rain over the month and average humidity around 77%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Myrtle Beach is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Myrtle Beach's day-to-day weather follows the broader pattern of South Carolina described above. See the hourly weather forecast or the air quality index for more detail.