Charlotte weather in August: Charlotte, North Carolina: normal highs, lows, rain and records for August
Charlotte in August has a normal high of 89°F and a normal low of 69°F, a daily mean of 79°F, falling from 90°F on the 1st to 87°F by the 31st. Measurable precipitation falls on 10 days in a normal August, 4.35 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 20°C, 110 mm of precipitation in August.
- NOAA stationCharlotte Douglas Airport
- Station IDUSW00013881
- Location35.22°N 80.96°W
- Elevation728 ft (222 m)
- From the center7 miles
- Population943,476
- Jan 52° 32°
- Feb 57° 35°
- Mar 64° 41°
- Apr 73° 49°
- May 80° 58°
- Jun 87° 66°
- Jul 90° 70°
- Aug 89° 69°
- Sep 83° 63°
- Oct 73° 50°
- Nov 63° 40°
- Dec 55° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Charlotte in August?
The normal high is 89°F and the normal low 69°F, for a daily mean of 78.6°F. August is 1.5°F cooler than July and 5.9°F warmer than September. August is the 2nd warmest month of the year in Charlotte and the wettest. Across the month the normal high falls 3°F, from 90°F on August 1 to 87°F on August 31. From one year to the next August's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 77°F and 81°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 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 90°F | 70°F | 35% | 21% |
| August 8 | 90°F | 70°F | 35% | 21% |
| August 15 | 89°F | 69°F | 33% | 21% |
| August 22 | 88°F | 68°F | 31% | 19% |
| August 31 | 87°F | 67°F | 28% | 18% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 90°F | 70°F | 35% | 21% | 14 h |
| August 2 | 90°F | 70°F | 35% | 21% | 13 h 50 min |
| August 3 | 90°F | 70°F | 35% | 21% | 13 h 50 min |
| August 4 | 90°F | 70°F | 35% | 21% | 13 h 50 min |
| August 5 | 90°F | 70°F | 35% | 21% | 13 h 50 min |
| August 6 | 90°F | 70°F | 35% | 21% | 13 h 50 min |
| August 7 | 90°F | 70°F | 35% | 21% | 13 h 50 min |
| August 8 | 90°F | 70°F | 35% | 21% | 13 h 40 min |
| August 9 | 89°F | 70°F | 34% | 21% | 13 h 40 min |
| August 10 | 89°F | 69°F | 34% | 21% | 13 h 40 min |
| August 11 | 89°F | 69°F | 34% | 21% | 13 h 40 min |
| August 12 | 89°F | 69°F | 34% | 21% | 13 h 40 min |
| August 13 | 89°F | 69°F | 34% | 21% | 13 h 40 min |
| August 14 | 89°F | 69°F | 33% | 21% | 13 h 30 min |
| August 15 | 89°F | 69°F | 33% | 21% | 13 h 30 min |
| August 16 | 89°F | 69°F | 33% | 21% | 13 h 30 min |
| August 17 | 89°F | 69°F | 32% | 20% | 13 h 30 min |
| August 18 | 89°F | 69°F | 32% | 20% | 13 h 30 min |
| August 19 | 88°F | 69°F | 32% | 20% | 13 h 20 min |
| August 20 | 88°F | 69°F | 31% | 20% | 13 h 20 min |
| August 21 | 88°F | 68°F | 31% | 20% | 13 h 20 min |
| August 22 | 88°F | 68°F | 31% | 19% | 13 h 20 min |
| August 23 | 88°F | 68°F | 30% | 19% | 13 h 20 min |
| August 24 | 88°F | 68°F | 30% | 19% | 13 h 10 min |
| August 25 | 88°F | 68°F | 30% | 19% | 13 h 10 min |
| August 26 | 88°F | 68°F | 30% | 19% | 13 h 10 min |
| August 27 | 87°F | 68°F | 29% | 19% | 13 h 10 min |
| August 28 | 87°F | 67°F | 29% | 18% | 13 h 10 min |
| August 29 | 87°F | 67°F | 29% | 18% | 13 h |
| August 30 | 87°F | 67°F | 29% | 18% | 13 h |
| August 31 | 87°F | 67°F | 28% | 18% | 13 h |
- Normal high
- 89°FAugust average
- Normal low
- 69°FAugust average
- Precipitation
- 4.35 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 14
- Daylight
- 14 h to 13 hAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 29
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013881; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Charlotte in August?
On a given August day the chance of 0.01 inch or more is 32% on average, highest around August 1 (35%). In all, 4.35 in falls on 10 days of a normal August, 1 of them with an inch or more.
In a normal August in Charlotte, 14 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013881.
How humid and windy is Charlotte in August?
At 3 p.m. the normal temperature is 85°F with 51% relative humidity and a dew point of 64°F; at 6 a.m. it is 68°F with 89% humidity. The wind averages 5.6 mph, most often from the northeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 68°F | 65°F | 89% | 4.1 mph | 38% |
| 9 a.m. | 76°F | 67°F | 73% | 6.2 mph | 38% |
| noon | 82°F | 66°F | 57% | 7.2 mph | 27% |
| 3 p.m. | 85°F | 64°F | 51% | 7.1 mph | 20% |
| 6 p.m. | 81°F | 65°F | 57% | 6.8 mph | 31% |
| 9 p.m. | 75°F | 66°F | 72% | 5.0 mph | 43% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013881. 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 August in Charlotte?
The warmest August temperature on Charlotte's official record (since 1878) is 104°F, on August 10, 2007; the coldest is 50°F, on August 7, 2004. The wettest August brought 14.61 in (1908).
The August mean against the 1991-2020 normal of 78.6°F: 2021 80.4°F (+1.8), 2022 78.6°F (at normal), 2023 80.2°F (+1.6), 2024 78.7°F (+0.1), 2025 76.2°F (−2.4), 2026 80.9°F (+2.3). 4 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 80.4°F | +1.8°F | 3.02 in |
| 2022 | 78.6°F | at normal | 2.61 in |
| 2023 | 80.2°F | +1.6°F | 6.37 in |
| 2024 | 78.7°F | +0.1°F | 7.09 in |
| 2025 | 76.2°F | −2.4°F | 7.57 in |
| 2026 | 80.9°F | +2.3°F | 3.52 in |
Source: records: ACIS, NWS threaded record CLTthr; recent months: ACIS, station USW00013881. Records and recent months use complete months only.
How does August in Charlotte compare across North Carolina?
Across the 131 places PlainClimate covers in North Carolina, August normal highs run from 68°F in Beech Mountain to 90°F in Southport; Charlotte's is 89°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Charlotte in July90°F by day, 70°F at night
- Charlotte in September83°F by day, 63°F at night
- Charlotte through the yearEvery month, frost dates, records and recent years
- North Carolina in AugustThe statewide normal and the warmest and coolest places
- Southport: North Carolina's warmest Augustnormal high 90°F