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Weather & Climate

Harahan, Louisiana, United States

Overview

Climate data and monthly weather averages for Harahan.

Key Metrics

Annual Avg
21.1°C
Summer Avg
28.3°C
Winter Avg
13.2°C
Record High
36.2°C
Record Low
-4.8°C
Annual Precipitation
1533.1 mm
Avg Humidity
79%
Summer Humidity
77%
Winter Humidity
82%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan23.2°12°-4.8°98.381%9452
Feb25.5°14°106.182%10246.2
Mar27.9°17.3°0.5°104.580%15249.3
Apr30.2°21°5.8°128.179%17543.7
May33.8°24.7°10°118.776%20045.7
Jun36.2°27.9°19.8°176.176%18249.9
Jul35.2°28.5°22.2°172.777%17570.6
Aug35.4°28.5°18.5°190.378%16691.3
Sep33.9°26.8°14.7°12978%15390.5
Oct32.9°22.3°7.6°104.578%14063.6
Nov27.7°17°0.7°76.579%10647.6
Dec24.4°13.5°-0.3°128.382%8546

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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