Charleston climate

Charleston Weather in June

NOAA 1991-2020 normals for Cairo 3N, 19.9 km from Charleston

Average highs run from 83°F on June 1 to 88°F on June 30, and lows from 63°F to 69°F. Normal precipitation for the month is 4.37 in.

June day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Charleston, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
86°F
Average low
66°F
Precipitation
4.37 in
Record high
110°FJun 30, 2012
Record low
46°FJun 2, 1956
Chance of a freeze
0%
Days of 90°F or more
8.4
Daylight
14 h 31 min to 14 h 40 min
Cloud cover
54%
Humidity
78%
Dew point
67°F
Wind
7.2 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jun 183°F63°F100°F 195147°F 19660%
Jun 283°F63°F97°F 198846°F 19560%
Jun 383°F63°F98°F 199849°F 19560%
Jun 483°F63°F98°F 201149°F 19640%
Jun 584°F64°F102°F 201149°F 19540%
Jun 684°F64°F101°F 197750°F 20000%
Jun 784°F64°F99°F 196950°F 19980%
Jun 884°F64°F102°F 201155°F 19770%
Jun 985°F65°F102°F 195347°F 19880%
Jun 1085°F65°F100°F 195348°F 19880%
Jun 1185°F65°F99°F 201150°F 19720%
Jun 1285°F66°F101°F 195353°F 19720%
Jun 1386°F66°F101°F 201053°F 19550%
Jun 1486°F66°F102°F 202252°F 19550%
Jun 1586°F66°F101°F 195250°F 19550%
Jun 1686°F66°F101°F 195352°F 19610%
Jun 1787°F67°F101°F 201152°F 19690%
Jun 1887°F67°F100°F 195351°F 19600%
Jun 1987°F67°F101°F 195355°F 19650%
Jun 2087°F67°F106°F 195350°F 20070%
Jun 2187°F68°F102°F 201047°F 19920%
Jun 2287°F68°F102°F 201050°F 19920%
Jun 2388°F68°F103°F 198854°F 19720%
Jun 2488°F68°F102°F 198853°F 19610%
Jun 2588°F68°F102°F 198853°F 19720%
Jun 2688°F68°F103°F 201251°F 19740%
Jun 2788°F69°F102°F 201254°F 19740%
Jun 2888°F69°F103°F 195255°F 19680%
Jun 2988°F69°F106°F 201259°F 19700%
Jun 3088°F69°F110°F 201252°F 19570%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Charleston, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

June 1
sunrise 5:40 AM, sunset 8:11 PM
June 30
sunrise 5:41 AM, sunset 8:21 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00093809 (Cairo 3N), public domain. Records: NOAA GHCN-Daily, station USC00237772, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.