Climateby Month

Charleston, WV weather in July

NOAA 1991-2020 normals and daily records · Charleston all year

In July, Charleston sees highs around 86°F and lows around 66°F: warm and humid, with frequent rain. There are about 13 days with rain. It is one of the warmest months in Charleston.

Normal high
86°F
Normal low
66°F
Wet days
13
5.4 in total
Muggy days
21
dew point 65°F+

How July changes from start to finish

Normal values at the start and end of July
July 1July 31
Normal high86°F86°F
Normal low65°F66°F
Chance of a wet day40%39%
Sunrise / sunset6:06 am / 8:54 pm6:28 am / 8:37 pm
Daylight14.8 h14.2 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical July day

  1. 6 am67°Fdew point 65°F
  2. 9 am75°Fdew point 67°F
  3. Noon81°Fdew point 66°F
  4. 3 pm84°Fdew point 65°F
  5. 6 pm81°Fdew point 66°F
  6. 9 pm74°Fdew point 67°F

NOAA hourly normals (local standard time) from Charleston Yeager Airport (3 mi away); average wind 3 mph; clear or few clouds in 51% of daytime hours, mostly cloudy or overcast in 32%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F2 of 31
  • Hot dayshigh 90°F or more8 of 31
  • Muggy daysdaily mean dew point 65°F or more21 of 31
  • Wet daysat least 0.01 in of rain or melted snow13 of 31
  • Notable rainat least 0.10 in9 of 31
  • Freezing nightslow 32°F or below0 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per July, counted from daily records for each year 1991-2020.

Rain in July

Normal precipitation is 5.4 in; a dry July brings about 3.7 in and a wet one about 7.1 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 2 an inch or more.

How July varies from year to year

  • Warmest July, 1991-20201999: average high 91°F
  • Coolest July2000: average high 81°F
  • Wettest July2001: 10.1 in
  • Driest July1993: 2.0 in
  • Highest reading101°F (July 8, 2012)
  • Lowest reading50°F (July 7, 2001)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

July compared with June and August

JuneJulyAugust
Normal high83°F86°F85°F
Normal low62°F66°F64°F
Wet days131311
Comfortable days522
Daylight14.8 h14.5 h13.6 h

Highs change by +3°F from June and -1°F into August.

Nearby alternatives in July

How Charleston ranks in July

  • Normal high214th warmest of 378 cities; 2nd of 4 in West Virginia
  • Wet days334th driest of 378
  • Comfortable days171st most of 340

What to pack for Charleston in July

  • Light, breathable clothing – highs near 86°F and about 21 muggy days
  • A rain jacket or umbrella – rain on about 13 days
  • Sunglasses and sunscreen – about 14.5 hours of daylight and highs near 86°F

Heating and cooling

July has 0 heating degree days and 333 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.

Questions

How hot is Charleston in July?

The normal high is 86°F and the normal low is 66°F. From 1991 to 2020 the hottest July reading was 101°F (July 8, 2012).

Does it rain a lot in Charleston in July?

About 13 days in July have at least 0.01 in of precipitation, and the normal total is 5.4 in. The wettest July in 1991-2020 was in 2001 (10.1 in); the driest was in 1993 (2.0 in).

Is July a good time to visit Charleston?

July ranks 8th of 12 months on our comfort score for Charleston (49 out of 100). It has about 2 comfortable days and about 8 days at 90°F or hotter. The best months are April, May and October.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Charleston Yeager Airport (USW00013866), 3.1 mi NE of the city center, 910 ft (314 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Cloud cover: Huntington Tri State Airport (USW00003860), 50 mi W of the city center, 824 ft (228 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Yeager Airport (724140-13866), 3.1 mi NE of the city center, 912 ft (316 ft higher than the city). Hourly observations, 1991-2020.