Georgetown, South Carolina Weather
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Climate of Georgetown: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Georgetown, with average daytime highs around 32°C. January is the coolest, when nights typically fall to about 4°C.
The area receives about 1330 mm of rain in a typical year. Most of it falls from May to October (around 62% of the yearly total), and August is the wettest month at roughly 177 mm.
For outdoor plans and travel, March to April and November usually offer the most comfortable weather in Georgetown, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 13° | 4° | 63 mm | 81% |
| Feb | 15° | 6° | 89 mm | 80% |
| Mar | 19° | 9° | 88 mm | 79% |
| Apr | 23° | 13° | 83 mm | 76% |
| May | 27° | 18° | 102 mm | 75% |
| Jun | 31° | 22° | 140 mm | 76% |
| Jul | 32° | 24° | 158 mm | 77% |
| Aug | 31° | 23° | 177 mm | 80% |
| Sep | 28° | 21° | 142 mm | 80% |
| Oct | 24° | 15° | 112 mm | 79% |
| Nov | 19° | 9° | 81 mm | 79% |
| Dec | 15° | 7° | 99 mm | 82% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Georgetown. Values describe typical conditions, not a forecast.
About Georgetown weather
Georgetown is set in South Carolina's humid subtropical climate, coastal and low-lying for much of the state, about 89 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 Georgetown: 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
Georgetown is about 89 km north-east of Charleston, in South Carolina.
Georgetown 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 Georgetown's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Georgetown, with average daytime highs of about 32°C and nights around 24°C.
The coldest nights come in January, when the average low is about 4°C and daytime highs reach around 13°C.
Georgetown receives about 1330 mm of rain in a typical year. August is the wettest month at roughly 177 mm, and the main rainy period is May to October.
March to April and November usually offer the most comfortable weather in Georgetown, with mild daytime temperatures and little rain.
In November Georgetown typically sees daytime highs near 19°C and lows near 9°C, with about 81 mm of rain over the month and average humidity around 79%. 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 Georgetown is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Georgetown'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.