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Charleston, SC Weather on August 25

August 25th in Charleston, SC typically brings warm summer weather, with average highs around 86°F and lows near 75°F. Over 55 years of records, the warmest August 25th was in 1982 (88°F average), while the coldest was 1994 (73°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 38% of August 25th dates historically, with the wettest August 25th recording 1.52" of rain. Temperatures on this date have remained relatively stable over the past several decades.

By Weather On This Day|
Avg High
86°F
Avg Low
75°F
Record High
95°F
1982
Record Low
68°F
1994
Charleston, SC on August 25 — Temperature History60°F70°F80°F90°F100°F19801990200020102020HighLow

What to Expect on August 25

Planning for August 25th in Charleston, SC? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.

August 25 Weather Records for Charleston

  • The all-time record high for August 25th in Charleston, SC is 95°F, set in 1982.
  • The coldest August 25th on record dropped to 68°F in 1994.
  • Temperatures have reached 90°F or higher on August 25th in 8 of the last 55 years.

Frequently Asked Questions

What was the warmest August 25 ever in Charleston?

The warmest August 25 in Charleston, SC reached 95°F in 1982. That is 9°F above the long-term average high of 86°F.

What was the coldest August 25 ever in Charleston?

The coldest August 25 in Charleston, SC dropped to 68°F in 1994. That is 7°F below the long-term average low of 75°F.

What is the average temperature on August 25 in Charleston?

On August 25, Charleston averages a high of 86°F and a low of 75°F based on 55 years of NOAA weather observations from DWTN CHARLESTON.

How many years of weather data are available for August 25 in Charleston?

We have 55 years of weather records for August 25 in Charleston, SC, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

August 25 Weather History in Charleston

YearHighLowPrecipSnow
202587°F77°F0"--
202484°F74°F0"--
202388°F80°F0"--
202284°F76°F0.45"--
202190°F81°F0"--
202090°F77°F0.01"--
201979°F70°F0.01"--
201886°F76°F0"--
201786°F79°F0.27"--
201687°F74°F0"--
201588°F79°F0"--
201484°F70°F0"--
201381°F70°F0"--
201284°F69°F0"--
201186°F78°F0"--
201085°F76°F0"--
200986°F76°F0"--
200885°F79°F0"--
200786°F80°F0"--
200683°F75°F0.99"--
200584°F77°F0.04"--
200484°F74°F0.1"--
200382°F77°F0"--
200288°F75°F0.84"--
200185°F74°F0"--
200084°F75°F0.1"--
199990°F78°F0.22"--
199890°F78°F0"--
199782°F70°F0"--
199685°F71°F0.79"--
199583°F77°F0.66"--
199479°F68°F0"--
199385°F73°F0"--
199283°F76°F0"--
199184°F74°F0.5"--
199085°F82°F0"--
198991°F75°F0.06"--
198889°F75°F0"--
198788°F74°F0.04"--
198681°F76°F0.1"--
198588°F74°F0.35"--
198484°F72°F0"--
198385°F76°F0.04"--
198295°F80°F0"--
198188°F69°F0"--
198084°F68°F0"--
197987°F77°F0"--
197893°F75°F0"--
197786°F75°F0.77"--
197684°F75°F0"--
197593°F80°F0"--
197485°F75°F----
197382°F72°F0"--
197284°F75°F0.35"--
197184°F72°F1.52"--

Based on 55 years of data from NOAA station: DWTN CHARLESTON

Monthly Climate Averages

Historical temperature and precipitation averages for Charleston, SC, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 89°F / Low: 76°F
Coldest MonthJanuaryAvg High: 58°F / Low: 41°F
Jan
58°/ 41°
💧 0.3"
❄️ 0.4"
Feb
61°/ 44°
💧 0.3"
❄️ 2.2"
Mar
67°/ 50°
💧 0.4"
❄️ 1.3"
Apr
74°/ 58°
💧 0.4"
May
80°/ 66°
💧 0.4"
Jun
86°/ 73°
💧 0.5"
Jul
89°/ 76°
💧 0.5"
Aug
88°/ 75°
💧 0.6"
Sep
84°/ 71°
💧 0.6"
Oct
76°/ 61°
💧 0.5"
Nov
68°/ 52°
💧 0.3"
Dec
61°/ 45°
💧 0.4"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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