Colleton County Weather in August
Average highs run from 90°F on August 1 to 87°F on August 31, and lows from 71°F to 69°F. Normal precipitation for the month is 7.17 in over about 12 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 89°F
- Average low
- 70°F
- Precipitation
- 7.17 in
- Record high
- 107°FAug 17, 1954
- Record low
- 55°FAug 24, 1953
- Chance of a freeze
- 0%
- Days of 90°F or more
- 18.3
- Daylight
- 13 h 45 min to 12 h 52 min
- Cloud cover
- 57%
- Humidity
- 76%
- Dew point
- 72°F
- Wind
- 5.1 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 90°F | 71°F | 104°F 1999 | 57°F 1966 | 38% |
| Aug 2 | 90°F | 71°F | 102°F 1954 | 56°F 1966 | 38% |
| Aug 3 | 90°F | 71°F | 101°F 1953 | 63°F 1965 | 38% |
| Aug 4 | 90°F | 71°F | 104°F 1954 | 63°F 1912 | 38% |
| Aug 5 | 90°F | 71°F | 103°F 1954 | 64°F 1907 | 38% |
| Aug 6 | 90°F | 71°F | 101°F 1954 | 56°F 2004 | 38% |
| Aug 7 | 90°F | 71°F | 101°F 2008 | 56°F 2004 | 38% |
| Aug 8 | 90°F | 71°F | 101°F 2008 | 58°F 2002 | 38% |
| Aug 9 | 90°F | 71°F | 101°F 1910 | 58°F 2002 | 38% |
| Aug 10 | 90°F | 71°F | 100°F 1910 | 58°F 2002 | 38% |
| Aug 11 | 90°F | 71°F | 100°F 2007 | 61°F 2002 | 38% |
| Aug 12 | 89°F | 71°F | 99°F 1911 | 59°F 1917 | 38% |
| Aug 13 | 89°F | 71°F | 100°F 1911 | 57°F 1962 | 38% |
| Aug 14 | 89°F | 70°F | 102°F 1918 | 58°F 1967 | 38% |
| Aug 15 | 89°F | 70°F | 101°F 1918 | 58°F 1983 | 38% |
| Aug 16 | 89°F | 70°F | 102°F 1954 | 57°F 1983 | 37% |
| Aug 17 | 89°F | 70°F | 107°F 1954 | 61°F 1963 | 37% |
| Aug 18 | 89°F | 70°F | 103°F 1954 | 60°F 1979 | 37% |
| Aug 19 | 89°F | 70°F | 101°F 1911 | 61°F 1960 | 37% |
| Aug 20 | 89°F | 70°F | 101°F 2026 | 58°F 1943 | 36% |
| Aug 21 | 88°F | 70°F | 104°F 1983 | 60°F 1943 | 36% |
| Aug 22 | 88°F | 70°F | 102°F 1983 | 59°F 1918 | 36% |
| Aug 23 | 88°F | 70°F | 100°F 1983 | 60°F 1952 | 35% |
| Aug 24 | 88°F | 69°F | 101°F 1968 | 55°F 1953 | 35% |
| Aug 25 | 88°F | 69°F | 101°F 1918 | 56°F 1953 | 34% |
| Aug 26 | 88°F | 69°F | 100°F 1918 | 56°F 1942 | 34% |
| Aug 27 | 88°F | 69°F | 103°F 1954 | 55°F 1966 | 34% |
| Aug 28 | 88°F | 69°F | 101°F 1938 | 56°F 1966 | 33% |
| Aug 29 | 87°F | 69°F | 100°F 1907 | 55°F 1986 | 33% |
| Aug 30 | 87°F | 69°F | 101°F 1912 | 56°F 1986 | 32% |
| Aug 31 | 87°F | 69°F | 102°F 1912 | 59°F 1953 | 32% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EDT).
- August 1
- sunrise 6:36 AM, sunset 8:21 PM
- August 31
- sunrise 6:57 AM, sunset 7:49 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00388922 (Walterboro 1 Sw), public domain. Records: NOAA GHCN-Daily, station USC00388922, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.