Greenville weather in August: Greenville, South Carolina: normal highs, lows, rain and records for August
Greenville in August has a normal high of 89°F and a normal low of 68°F, a daily mean of 78°F, falling from 90°F on the 1st to 87°F by the 31st. Measurable precipitation falls on 11 days in a normal August, 4.66 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 20°C, 118 mm of precipitation in August.
- NOAA stationGrnvl Spart International Airport
- Station IDUSW00003870
- Location34.88°N 82.22°W
- Elevation940 ft (287 m)
- Population74,371
- Jan 53° 32°
- Feb 57° 35°
- Mar 64° 41°
- Apr 73° 49°
- May 80° 58°
- Jun 87° 66°
- Jul 90° 69°
- Aug 89° 68°
- Sep 83° 62°
- 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 Greenville in August?
The normal high is 89°F and the normal low 68°F, for a daily mean of 78.4°F. August is 1.3°F cooler than July and 5.9°F warmer than September. August is the 2nd warmest month of the year in Greenville and the 2nd 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 2.0°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 76°F and 80°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 39%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 90°F | 69°F | 39% | 24% |
| August 8 | 89°F | 69°F | 38% | 23% |
| August 15 | 89°F | 69°F | 36% | 22% |
| August 22 | 88°F | 68°F | 34% | 20% |
| August 31 | 87°F | 67°F | 30% | 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 | 69°F | 39% | 24% | 13 h 50 min |
| August 2 | 90°F | 69°F | 39% | 24% | 13 h 50 min |
| August 3 | 90°F | 69°F | 39% | 24% | 13 h 50 min |
| August 4 | 90°F | 69°F | 39% | 24% | 13 h 50 min |
| August 5 | 90°F | 69°F | 39% | 23% | 13 h 50 min |
| August 6 | 90°F | 69°F | 38% | 23% | 13 h 50 min |
| August 7 | 90°F | 69°F | 38% | 23% | 13 h 40 min |
| August 8 | 89°F | 69°F | 38% | 23% | 13 h 40 min |
| August 9 | 89°F | 69°F | 38% | 23% | 13 h 40 min |
| August 10 | 89°F | 69°F | 38% | 23% | 13 h 40 min |
| August 11 | 89°F | 69°F | 37% | 23% | 13 h 40 min |
| August 12 | 89°F | 69°F | 37% | 22% | 13 h 40 min |
| August 13 | 89°F | 69°F | 37% | 22% | 13 h 30 min |
| August 14 | 89°F | 69°F | 37% | 22% | 13 h 30 min |
| August 15 | 89°F | 69°F | 36% | 22% | 13 h 30 min |
| August 16 | 89°F | 69°F | 36% | 22% | 13 h 30 min |
| August 17 | 89°F | 68°F | 36% | 21% | 13 h 30 min |
| August 18 | 88°F | 68°F | 35% | 21% | 13 h 20 min |
| August 19 | 88°F | 68°F | 35% | 21% | 13 h 20 min |
| August 20 | 88°F | 68°F | 34% | 21% | 13 h 20 min |
| August 21 | 88°F | 68°F | 34% | 20% | 13 h 20 min |
| August 22 | 88°F | 68°F | 34% | 20% | 13 h 20 min |
| August 23 | 88°F | 68°F | 33% | 20% | 13 h 10 min |
| August 24 | 88°F | 68°F | 33% | 20% | 13 h 10 min |
| August 25 | 88°F | 68°F | 32% | 19% | 13 h 10 min |
| August 26 | 87°F | 67°F | 32% | 19% | 13 h 10 min |
| August 27 | 87°F | 67°F | 32% | 19% | 13 h 10 min |
| August 28 | 87°F | 67°F | 31% | 19% | 13 h |
| August 29 | 87°F | 67°F | 31% | 18% | 13 h |
| August 30 | 87°F | 67°F | 31% | 18% | 13 h |
| August 31 | 87°F | 67°F | 30% | 18% | 13 h |
- Normal high
- 89°FAugust average
- Normal low
- 68°FAugust average
- Precipitation
- 4.66 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 13
- Daylight
- 13 h 50 min to 13 hAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 29
- Sunshine
- 81%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003870; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Greenville in August?
On a given August day the chance of 0.01 inch or more is 35% on average, highest around August 1 (39%). In all, 4.66 in falls on 11 days of a normal August, 1 of them with an inch or more.
In a normal August in Greenville, 13 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003870.
How humid and windy is Greenville in August?
At 3 p.m. the normal temperature is 84°F with 52% relative humidity and a dew point of 65°F; at 6 a.m. it is 68°F with 89% humidity. The wind averages 5.4 mph, most often from the east-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 | 65% |
| 9 a.m. | 76°F | 66°F | 73% | 6.6 mph | 65% |
| noon | 82°F | 65°F | 57% | 7.2 mph | 59% |
| 3 p.m. | 84°F | 65°F | 52% | 7.3 mph | 55% |
| 6 p.m. | 81°F | 66°F | 60% | 6.2 mph | 70% |
| 9 p.m. | 74°F | 66°F | 77% | 4.1 mph | 65% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00003870. 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 Greenville?
The warmest August temperature on this station's record (since 1962) is 105°F, on August 10, 2007; the coldest is 52°F, on August 29, 1968. The wettest August brought 17.37 in (1995).
The August mean against the 1991-2020 normal of 78.4°F: 2021 79.0°F (+0.6), 2022 78.2°F (−0.2), 2023 78.9°F (+0.5), 2024 78.1°F (−0.3), 2025 74.7°F (−3.7), 2026 79.1°F (+0.7). 3 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 79.0°F | +0.6°F | 3.24 in |
| 2022 | 78.2°F | −0.2°F | 3.72 in |
| 2023 | 78.9°F | +0.5°F | 5.12 in |
| 2024 | 78.1°F | −0.3°F | 3.81 in |
| 2025 | 74.7°F | −3.7°F | 7.58 in |
| 2026 | 79.1°F | +0.7°F | 5.17 in |
Source: records: ACIS, station USW00003870; recent months: ACIS, station USW00003870. Records and recent months use complete months only.
How does August in Greenville compare across South Carolina?
Across the 73 places PlainClimate covers in South Carolina, August normal highs run from 76°F in Caesars Head to 92°F in Pelion; Greenville's is 89°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Greenville in July90°F by day, 69°F at night
- Greenville in September83°F by day, 62°F at night
- Greenville through the yearEvery month, frost dates, records and recent years
- South Carolina in AugustThe statewide normal and the warmest and coolest places
- Pelion: South Carolina's warmest Augustnormal high 92°F