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Weather & Climate

South Boston, Virginia, United States

Overview

Climate data and monthly weather averages for South Boston.

Key Metrics

Annual Avg
14.8°C
Summer Avg
25.4°C
Winter Avg
3.9°C
Record High
40.6°C
Record Low
-18.8°C
Annual Precipitation
1172.4 mm
Avg Humidity
76%
Summer Humidity
71%
Winter Humidity
81%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan22.8°2.5°-14°72.981%7838.7
Feb24.8°4.4°-15.6°71.480%9038.7
Mar28.7°8.8°-18.8°95.278%13139.1
Apr31.9°14.6°-4.3°88.876%16335.4
May35.2°19.4°1.7°103.977%18331.7
Jun40.6°24.2°8.4°117.673%19327.5
Jul40.4°26.4°13.5°116.370%19023.1
Aug40.1°25.7°11.5°114.771%16937.5
Sep37.6°21.9°5.2°113.174%13647.6
Oct38.6°15.4°-2.6°9376%11133.4
Nov27.6°-7.3°9077%8432.8
Dec24.5°4.8°-14.9°95.582%6834.3

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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