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Weather & Climate

McMechen, West Virginia, United States

Overview

Climate data and monthly weather averages for McMechen.

Key Metrics

Annual Avg
10.9°C
Summer Avg
22.4°C
Winter Avg
-1.2°C
Record High
39.3°C
Record Low
-22.3°C
Annual Precipitation
1020.6 mm
Avg Humidity
78%
Summer Humidity
72%
Winter Humidity
87%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan20.1°-2.4°-22.3°74.187%5130.9
Feb22°-1.3°-19.6°70.386%6932.9
Mar27°3.8°-17.3°82.882%11033
Apr28.5°10.5°-6.1°91.278%14228.9
May33.6°16.2°-4.6°99.879%16821.7
Jun37.1°20.8°2.6°105.677%18017.7
Jul39.3°23.4°8.9°95.871%18115.8
Aug37.9°23.1°8.2°79.467%16615.8
Sep36.7°19.2°3.6°82.869%13319.8
Oct33.9°11.9°-4.2°84.975%9522.3
Nov24.5°5.2°-11.7°70.581%6524.9
Dec19.6°0.2°-16.5°83.487%4528.8

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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