Columbia weather in August: Columbia, South Carolina: normal highs, lows, rain and records for August

Columbia in August has a normal high of 91°F and a normal low of 71°F, a daily mean of 81°F, falling from 92°F on the 1st to 89°F by the 31st. Measurable precipitation falls on 10 days in a normal August, 4.65 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 33°C and low of 22°C, 118 mm of precipitation in August.

  • NOAA stationColumbia Metropolitan Airport
  • Station IDUSW00013883
  • Location33.95°N 81.12°W
  • Elevation231 ft (70 m)
  • Population144,788
  1. Jan 57° 35°
  2. Feb 61° 37°
  3. Mar 68° 44°
  4. Apr 77° 52°
  5. May 84° 61°
  6. Jun 90° 69°
  7. Jul 93° 72°
  8. Aug 91° 71°
  9. Sep 86° 65°
  10. Oct 77° 53°
  11. Nov 66° 42°
  12. Dec 59° 37°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Columbia in August?

The normal high is 91°F and the normal low 71°F, for a daily mean of 81.0°F. August is 1.4°F cooler than July and 5.5°F warmer than September. August is the 2nd warmest month of the year in Columbia and the 3rd wettest. Across the month the normal high falls 3°F, from 92°F on August 1 to 89°F on August 31. From one year to the next August's mean temperature typically moves about 1.8°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 79°F and 83°F.

Columbia in August, day by day: normal high and low

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 38%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 192°F72°F38%24%
August 892°F72°F36%23%
August 1591°F72°F34%22%
August 2290°F71°F32%20%
August 3189°F69°F29%18%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Columbia: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 192°F72°F38%24%13 h 50 min
August 292°F72°F38%24%13 h 50 min
August 392°F72°F37%24%13 h 50 min
August 492°F72°F37%24%13 h 50 min
August 592°F72°F37%24%13 h 40 min
August 692°F72°F37%23%13 h 40 min
August 792°F72°F37%23%13 h 40 min
August 892°F72°F36%23%13 h 40 min
August 992°F72°F36%23%13 h 40 min
August 1092°F72°F36%23%13 h 40 min
August 1191°F72°F35%23%13 h 30 min
August 1291°F72°F35%23%13 h 30 min
August 1391°F72°F35%22%13 h 30 min
August 1491°F72°F35%22%13 h 30 min
August 1591°F72°F34%22%13 h 30 min
August 1691°F71°F34%22%13 h 30 min
August 1791°F71°F34%21%13 h 20 min
August 1891°F71°F33%21%13 h 20 min
August 1991°F71°F33%21%13 h 20 min
August 2091°F71°F32%21%13 h 20 min
August 2190°F71°F32%20%13 h 20 min
August 2290°F71°F32%20%13 h 10 min
August 2390°F71°F31%20%13 h 10 min
August 2490°F71°F31%19%13 h 10 min
August 2590°F70°F31%19%13 h 10 min
August 2690°F70°F30%19%13 h 10 min
August 2790°F70°F30%19%13 h
August 2890°F70°F30%19%13 h
August 2989°F70°F29%18%13 h
August 3089°F70°F29%18%13 h
August 3189°F69°F29%18%13 h
Normal high
91°FAugust average
Normal low
71°FAugust average
Precipitation
4.65 inmonth total
Days with precipitation
100.01 inch or more
Days at 90°F or more
21
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
30
Sunshine
80%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00013883; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Columbia in August?

On a given August day the chance of 0.01 inch or more is 34% on average, highest around August 1 (38%). In all, 4.65 in falls on 10 days of a normal August, 1 of them with an inch or more.

In a normal August in Columbia, 21 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013883.

How humid and windy is Columbia in August?

At 3 p.m. the normal temperature is 88°F with 48% relative humidity and a dew point of 66°F; at 6 a.m. it is 71°F with 89% humidity. The wind averages 5.3 mph, most often from the east in the afternoon. A dew point of 65°F or more feels muggy to most people.

A normal August day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.71°F67°F89%3.1 mph47%
9 a.m.78°F69°F72%5.8 mph40%
noon86°F67°F54%7.5 mph28%
3 p.m.88°F66°F48%8.1 mph25%
6 p.m.84°F67°F55%7.4 mph37%
9 p.m.78°F68°F74%4.0 mph49%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00013883. 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 Columbia?

The warmest August temperature on Columbia's official record (since 1887) is 107°F, on August 21, 1983; the coldest is 53°F, on August 24, 1969. The wettest August brought 16.72 in (1949).

The August mean against the 1991-2020 normal of 81.0°F: 2021 81.3°F (+0.3), 2022 80.1°F (−0.9), 2023 82.6°F (+1.6), 2024 80.4°F (−0.6), 2025 77.9°F (−3.1), 2026 83.3°F (+2.3). 3 of 6 ran warmer than normal.

Columbia: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202181.3°F+0.3°F9.55 in
202280.1°F−0.9°F4.48 in
202382.6°F+1.6°F5.71 in
202480.4°F−0.6°F6.39 in
202577.9°F−3.1°F5.33 in
202683.3°F+2.3°F3.40 in

Source: records: ACIS, NWS threaded record CAEthr; recent months: ACIS, station USW00013883. Records and recent months use complete months only.

How does August in Columbia 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; Columbia's is 91°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places