Simpsonville climate

Simpsonville Weather in August

NOAA 1991-2020 normals for Fountain Inn 2 Sw, 7.4 km from Simpsonville

Average highs run from 90°F on August 1 to 86°F on August 31, and lows from 68°F to 65°F. Normal precipitation for the month is 4.89 in.

August day by day

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

Normal daily high and low temperature at Simpsonville, in °F, with the record for each date.5060708090100110151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
88°F
Average low
67°F
Precipitation
4.89 in
Record high
101°FAug 10, 2007
Record low
56°FAug 1, 1997
Chance of a freeze
0%
Days of 90°F or more
12.9
Daylight
13 h 52 min to 12 h 56 min
Cloud cover
55%
Humidity
70%
Dew point
67°F
Wind
3.8 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
Aug 190°F68°F98°F 199956°F 19970%
Aug 290°F68°F98°F 199957°F 19970%
Aug 390°F68°F96°F 200858°F 19970%
Aug 490°F68°F97°F 201160°F 19980%
Aug 590°F68°F95°F 199260°F 19980%
Aug 690°F68°F96°F 200860°F 19980%
Aug 790°F68°F98°F 200862°F 19970%
Aug 889°F68°F96°F 200756°F 20040%
Aug 989°F68°F100°F 200756°F 20040%
Aug 1089°F68°F101°F 200760°F 20040%
Aug 1189°F68°F101°F 200763°F 20020%
Aug 1289°F68°F96°F 199263°F 20020%
Aug 1389°F68°F99°F 201963°F 20040%
Aug 1489°F68°F98°F 199962°F 20000%
Aug 1589°F68°F98°F 199962°F 19960%
Aug 1689°F67°F95°F 201962°F 19960%
Aug 1789°F67°F95°F 199562°F 20040%
Aug 1888°F67°F96°F 201964°F 20040%
Aug 1988°F67°F99°F 200065°F 19920%
Aug 2088°F67°F95°F 200764°F 19940%
Aug 2188°F67°F96°F 201960°F 19980%
Aug 2288°F67°F98°F 200759°F 19970%
Aug 2388°F67°F96°F 200758°F 19970%
Aug 2487°F67°F95°F 202158°F 19970%
Aug 2587°F66°F94°F 202159°F 19970%
Aug 2687°F66°F92°F 199859°F 19970%
Aug 2787°F66°F94°F 199863°F 19970%
Aug 2887°F66°F95°F 199862°F 20110%
Aug 2987°F66°F95°F 201860°F 20000%
Aug 3086°F66°F95°F 199860°F 19920%
Aug 3186°F65°F93°F 201858°F 19990%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Simpsonville, 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 (EDT).

August 1
sunrise 6:39 AM, sunset 8:31 PM
August 31
sunrise 7:01 AM, sunset 7:57 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00383145 (Fountain Inn 2 Sw), public domain. Records: NOAA GHCN-Daily, station USC00383735, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.