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Weather & Climate

Williamson, West Virginia, United States

Overview

Climate data and monthly weather averages for Williamson.

Key Metrics

Annual Avg
13°C
Summer Avg
23.4°C
Winter Avg
1.9°C
Record High
39.8°C
Record Low
-19.9°C
Annual Precipitation
1144.9 mm
Avg Humidity
76%
Summer Humidity
72%
Winter Humidity
83%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan21.9°0.6°-19°80.683%6228
Feb23.4°2.3°-19.9°90.282%7329.2
Mar27.7°-15.8°92.481%11628.5
Apr29.2°12.9°-6.3°107.178%15024.3
May35.3°17.9°-0.6°114.479%17424.7
Jun39.8°22.2°4.7°107.775%18617.2
Jul39.2°24.1°10.3°12973%18118.3
Aug39.1°24°8.5°90.869%16818.9
Sep37.6°20.7°3.4°80.767%13719
Oct35.7°14.1°-3.9°82.170%10522.2
Nov28.6°7.5°-11.9°74.175%7524.5
Dec25.3°2.9°-15.3°95.883%5528.2

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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