Folly Beach climate

Folly Beach Weather in August

NOAA 1991-2020 normals for Charleston City, 13.9 km from Folly Beach

Average highs run from 88°F on August 1 to 85°F on August 31, and lows from 77°F to 75°F. Normal precipitation for the month is 6.11 in over about 12 wet days.

August day by day

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

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

August at a glance

Average high
86°F
Average low
77°F
Precipitation
6.11 in
Record high
103°FAug 1, 1999
Record low
59°FAug 29, 1986
Chance of a freeze
0%
Days of 90°F or more
6.7
Daylight
13 h 44 min to 12 h 52 min
Cloud cover
59%
Humidity
79%
Dew point
74°F
Wind
10.7 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 188°F77°F103°F 199968°F 193639%0%
Aug 287°F77°F97°F 195370°F 192239%0%
Aug 387°F77°F98°F 189968°F 192239%0%
Aug 487°F77°F100°F 189966°F 191239%0%
Aug 587°F77°F102°F 195465°F 191239%0%
Aug 687°F77°F99°F 189966°F 193939%0%
Aug 787°F77°F97°F 189968°F 200439%0%
Aug 887°F77°F98°F 196868°F 198939%0%
Aug 987°F77°F96°F 190067°F 198939%0%
Aug 1087°F77°F97°F 190667°F 198939%0%
Aug 1187°F77°F97°F 195467°F 198939%0%
Aug 1287°F77°F98°F 199866°F 196739%0%
Aug 1387°F77°F98°F 191364°F 196739%0%
Aug 1487°F77°F102°F 192565°F 196738%0%
Aug 1587°F77°F99°F 191866°F 201338%0%
Aug 1687°F77°F97°F 195468°F 189438%0%
Aug 1786°F77°F100°F 195470°F 189938%0%
Aug 1886°F77°F97°F 194467°F 197938%0%
Aug 1986°F76°F98°F 189567°F 197637%0%
Aug 2086°F76°F99°F 190266°F 194337%0%
Aug 2186°F76°F99°F 190066°F 193037%0%
Aug 2286°F76°F98°F 198365°F 193036%0%
Aug 2386°F76°F98°F 201462°F 193036%0%
Aug 2486°F76°F99°F 193863°F 193136%0%
Aug 2586°F76°F96°F 191564°F 195736%0%
Aug 2686°F76°F96°F 193663°F 194235%0%
Aug 2786°F76°F97°F 190363°F 194235%0%
Aug 2885°F76°F98°F 190362°F 190435%0%
Aug 2985°F76°F97°F 190359°F 198634%0%
Aug 3085°F75°F95°F 191261°F 198634%0%
Aug 3185°F75°F97°F 191264°F 193434%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Folly Beach, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 6:34 AM, sunset 8:18 PM
August 31
sunrise 6:54 AM, sunset 7:46 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00013782 (Charleston City), public domain. Records: NOAA GHCN-Daily, station USW00013782, 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.