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Weather & Climate

Georgetown, South Carolina, United States

Overview

Climate data and monthly weather averages for Georgetown.

Key Metrics

Annual Avg
18.7°C
Summer Avg
26.9°C
Winter Avg
10.1°C
Record High
39.1°C
Record Low
-8.2°C
Annual Precipitation
1332.3 mm
Avg Humidity
79%
Summer Humidity
78%
Winter Humidity
81%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan25°8.8°-8.2°62.681%8636.4
Feb25.4°10.4°-6.3°88.280%9637.4
Mar28°13.8°-3.9°88.479%14140.8
Apr34°18.1°1.4°83.476%17540.8
May37.7°22.6°8.1°101.775%19433.8
Jun39.1°26.3°15°139.576%19134.1
Jul38.3°27.5°18.4°158.177%19335.2
Aug38.1°27°16.2°177.380%17141.9
Sep35.3°24.5°11.8°141.680%14348.4
Oct35.1°19.7°3.3°111.979%12349.3
Nov28°14.1°-3°8179%9335.5
Dec26°11°-5.6°98.682%7838.8

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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