Charleston weather in July: Charleston, West Virginia: normal highs, lows, rain and records for July
Charleston in July has a normal high of 86°F and a normal low of 66°F, a daily mean of 76°F, holding near 86°F all month. Measurable precipitation falls on 13 days in a normal July, 5.38 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 19°C, 137 mm of precipitation in July.
- NOAA stationCharleston - West Virginia International Yeager Airport
- Station IDUSW00013866
- Location38.38°N 81.59°W
- Elevation910 ft (277 m)
- From the center3 miles
- Population46,482
- Jan 44° 26°
- Feb 48° 29°
- Mar 57° 35°
- Apr 69° 45°
- May 76° 53°
- Jun 83° 62°
- Jul 86° 66°
- Aug 85° 64°
- Sep 80° 57°
- Oct 69° 45°
- Nov 57° 36°
- Dec 48° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Charleston in July?
The normal high is 86°F and the normal low 66°F, for a daily mean of 75.8°F. July is 3.5°F warmer than June and 1.2°F warmer than August. July is the warmest month of the year in Charleston and the wettest. From one year to the next July's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Julys in three average between 74°F and 78°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 40%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 86°F | 65°F | 40% | 27% |
| July 8 | 86°F | 65°F | 40% | 27% |
| July 15 | 86°F | 66°F | 40% | 27% |
| July 22 | 86°F | 66°F | 40% | 27% |
| July 31 | 86°F | 66°F | 39% | 26% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 7, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 86°F | 65°F | 40% | 27% | 14 h 50 min |
| July 2 | 86°F | 65°F | 40% | 27% | 14 h 50 min |
| July 3 | 86°F | 65°F | 40% | 27% | 14 h 50 min |
| July 4 | 86°F | 65°F | 40% | 27% | 14 h 50 min |
| July 5 | 86°F | 65°F | 40% | 27% | 14 h 50 min |
| July 6 | 86°F | 65°F | 40% | 27% | 14 h 50 min |
| July 7 | 86°F | 65°F | 40% | 27% | 14 h 40 min |
| July 8 | 86°F | 65°F | 40% | 27% | 14 h 40 min |
| July 9 | 86°F | 66°F | 40% | 27% | 14 h 40 min |
| July 10 | 86°F | 66°F | 40% | 27% | 14 h 40 min |
| July 11 | 86°F | 66°F | 40% | 27% | 14 h 40 min |
| July 12 | 86°F | 66°F | 40% | 27% | 14 h 40 min |
| July 13 | 86°F | 66°F | 40% | 27% | 14 h 40 min |
| July 14 | 86°F | 66°F | 40% | 27% | 14 h 40 min |
| July 15 | 86°F | 66°F | 40% | 27% | 14 h 40 min |
| July 16 | 86°F | 66°F | 40% | 27% | 14 h 40 min |
| July 17 | 86°F | 66°F | 40% | 27% | 14 h 30 min |
| July 18 | 86°F | 66°F | 40% | 27% | 14 h 30 min |
| July 19 | 86°F | 66°F | 40% | 27% | 14 h 30 min |
| July 20 | 86°F | 66°F | 40% | 27% | 14 h 30 min |
| July 21 | 86°F | 66°F | 40% | 27% | 14 h 30 min |
| July 22 | 86°F | 66°F | 40% | 27% | 14 h 30 min |
| July 23 | 86°F | 66°F | 40% | 27% | 14 h 30 min |
| July 24 | 86°F | 66°F | 40% | 27% | 14 h 20 min |
| July 25 | 86°F | 66°F | 40% | 27% | 14 h 20 min |
| July 26 | 86°F | 66°F | 40% | 26% | 14 h 20 min |
| July 27 | 86°F | 66°F | 40% | 26% | 14 h 20 min |
| July 28 | 86°F | 66°F | 39% | 26% | 14 h 20 min |
| July 29 | 86°F | 66°F | 39% | 26% | 14 h 20 min |
| July 30 | 86°F | 66°F | 39% | 26% | 14 h 10 min |
| July 31 | 86°F | 66°F | 39% | 26% | 14 h 10 min |
- Normal high
- 86°FJuly average
- Normal low
- 66°FJuly average
- Precipitation
- 5.38 inmonth total
- Days with precipitation
- 130.01 inch or more
- Days at 90°F or more
- 8
- Daylight
- 14 h 50 min to 14 h 10 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 27
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013866; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Charleston in July?
On a given July day the chance of 0.01 inch or more is 40% on average, highest around July 1 (40%). In all, 5.38 in falls on 13 days of a normal July, 2 of them with an inch or more.
In a normal July in Charleston, 8 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013866.
How humid and windy is Charleston in July?
At 3 p.m. the normal temperature is 83°F with 55% relative humidity and a dew point of 65°F; at 6 a.m. it is 66°F with 95% humidity. The wind averages 2.9 mph, most often from the west-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 66°F | 65°F | 95% | 1.4 mph | – |
| 9 a.m. | 73°F | 67°F | 79% | 3.1 mph | 38% |
| noon | 81°F | 66°F | 60% | 5.0 mph | 23% |
| 3 p.m. | 83°F | 65°F | 55% | 5.4 mph | 19% |
| 6 p.m. | 81°F | 66°F | 60% | 4.7 mph | 37% |
| 9 p.m. | 73°F | 67°F | 83% | 1.6 mph | 57% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013866. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for July in Charleston?
The warmest July temperature on Charleston's official record (since 1892) is 108°F, on July 4, 1931; the coldest is 46°F, on July 10, 1961. The wettest July brought 13.54 in (1961).
The July mean against the 1991-2020 normal of 75.8°F: 2021 75.3°F (−0.5), 2022 76.2°F (+0.4), 2023 75.8°F (at normal), 2024 78.4°F (+2.6), 2025 79.3°F (+3.5), 2026 76.8°F (+1.0). 4 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 75.3°F | −0.5°F | 3.11 in |
| 2022 | 76.2°F | +0.4°F | 9.95 in |
| 2023 | 75.8°F | at normal | 4.27 in |
| 2024 | 78.4°F | +2.6°F | 1.70 in |
| 2025 | 79.3°F | +3.5°F | 7.46 in |
| 2026 | 76.8°F | +1.0°F | 4.16 in |
Source: records: ACIS, NWS threaded record CRWthr; recent months: ACIS, station USW00013866. Records and recent months use complete months only.
How does July in Charleston compare across West Virginia?
Across the 63 places PlainClimate covers in West Virginia, July normal highs run from 75°F in Davis to 89°F in Keyser; Charleston's is 86°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.