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Weather & Climate

Duluth, Georgia, United States

Overview

Climate data and monthly weather averages for Duluth.

Key Metrics

Annual Avg
16.1°C
Summer Avg
25.8°C
Winter Avg
6°C
Record High
42.1°C
Record Low
-14.5°C
Annual Precipitation
1291.2 mm
Avg Humidity
76%
Summer Humidity
71%
Winter Humidity
82%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan23.2°4.7°-14.5°106.682%8035.1
Feb25°6.7°-11.4°11782%8739.2
Mar28.5°11.1°-7.5°118.780%13035.4
Apr31.3°15.7°-5°99.978%16433.7
May35°20.4°2.7°10276%18729.4
Jun42.1°24.8°11°108.673%18821.3
Jul41.6°26.5°13.3°120.971%18630.1
Aug40.4°26.2°12.3°101.470%17328.9
Sep38.9°22.9°5.3°95.470%14542.7
Oct38.1°16.8°-1.9°88.471%12133.7
Nov29.2°10.5°-7.1°99.374%8932.6
Dec24.9°6.5°-10.3°13382%6831.1

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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