Surfside Beach, Myrtle Beach Weather
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Climate of Surfside Beach: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Surfside 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 Surfside 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 Surfside Beach. Values describe typical conditions, not a forecast.
About Surfside Beach weather
Surfside Beach is a place in South Carolina's humid subtropical climate, coastal and low-lying for much of the state, located about 140 km north-east of Charleston. Surfside Beach gets hot, humid summers (June–August) with highs commonly in the low-to-mid 30s°C each year. Surfside Beach closes out the year with mild winters (December–February), rarely dropping below freezing near the coast. This page shows live, auto-refreshing weather for Surfside 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
Surfside Beach is about 140 km north-east of Charleston, in South Carolina.
Surfside 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 Surfside Beach's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Surfside 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.
Surfside 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 Surfside Beach, with mild daytime temperatures and little rain.
In November Surfside 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.
The current temperature for Surfside Beach updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
Surfside 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.