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Charleston, SC Weather on May 25
May 25th in Charleston, SC typically brings warm spring weather, with average highs around 82°F and lows near 70°F. Over 55 years of records, the warmest May 25th was in 1998 (86°F average), while the coldest was 1979 (63°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 15% of May 25th dates historically, with the wettest May 25th recording 1.3" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
What to Expect on May 25
Planning for May 25th in Charleston, SC? Stay hydrated and seek shade during peak afternoon hours.
May 25 Weather Records for Charleston
- •The all-time record high for May 25th in Charleston, SC is 93°F, set in 1998.
- •The coldest May 25th on record dropped to 54°F in 1979.
- •Temperatures have reached 90°F or higher on May 25th in 5 of the last 55 years.
Frequently Asked Questions
What was the warmest May 25 ever in Charleston?
The warmest May 25 in Charleston, SC reached 93°F in 1998. That is 11°F above the long-term average high of 82°F.
What was the coldest May 25 ever in Charleston?
The coldest May 25 in Charleston, SC dropped to 54°F in 1979. That is 16°F below the long-term average low of 70°F.
What is the average temperature on May 25 in Charleston?
On May 25, Charleston averages a high of 82°F and a low of 70°F based on 55 years of NOAA weather observations from DWTN CHARLESTON.
How many years of weather data are available for May 25 in Charleston?
We have 55 years of weather records for May 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.
May 25 Weather History in Charleston
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 76°F | 71°F | 1.04" | -- |
| 2024 | 85°F | 71°F | 1.3" | -- |
| 2023 | 76°F | 65°F | 0" | -- |
| 2022 | 80°F | 71°F | 0" | -- |
| 2021 | 84°F | 74°F | 0" | -- |
| 2020 | 78°F | 74°F | 0" | -- |
| 2019 | 90°F | 77°F | 0" | -- |
| 2018 | 80°F | 76°F | 0" | -- |
| 2017 | 76°F | 67°F | 0" | -- |
| 2016 | 81°F | 70°F | 0" | -- |
| 2015 | 80°F | 73°F | 0" | -- |
| 2014 | 78°F | 73°F | 0" | -- |
| 2013 | 76°F | 60°F | 0" | -- |
| 2012 | 84°F | 72°F | 0" | -- |
| 2011 | 86°F | 76°F | 0" | -- |
| 2010 | 82°F | 69°F | 0.03" | -- |
| 2009 | 77°F | 71°F | 0" | -- |
| 2008 | 75°F | 63°F | 0" | -- |
| 2007 | 74°F | 65°F | 0" | -- |
| 2006 | 80°F | 75°F | 0" | -- |
| 2005 | 72°F | 58°F | 0" | -- |
| 2004 | 89°F | 74°F | 0" | -- |
| 2003 | 80°F | 73°F | 0" | -- |
| 2002 | 80°F | 67°F | 0" | -- |
| 2001 | 87°F | 71°F | 0" | -- |
| 2000 | 91°F | 76°F | 0" | -- |
| 1999 | 83°F | 67°F | 0" | -- |
| 1998 | 93°F | 79°F | 0" | -- |
| 1997 | 78°F | 73°F | 0" | -- |
| 1996 | 87°F | 75°F | 0" | -- |
| 1995 | 84°F | 69°F | 0" | -- |
| 1994 | 83°F | 73°F | 0" | -- |
| 1993 | 77°F | 71°F | 0" | -- |
| 1992 | 84°F | 72°F | 0" | -- |
| 1991 | 80°F | 72°F | 0" | -- |
| 1990 | 75°F | 70°F | 0" | -- |
| 1989 | 87°F | 71°F | 0" | -- |
| 1988 | 81°F | 62°F | 0.03" | -- |
| 1987 | 80°F | 74°F | 0" | -- |
| 1986 | 84°F | 74°F | 0" | -- |
| 1985 | 82°F | 63°F | 0" | -- |
| 1984 | 83°F | 67°F | 0" | -- |
| 1983 | 78°F | 68°F | 0.03" | -- |
| 1982 | 82°F | 74°F | 0" | -- |
| 1981 | 84°F | 70°F | 0" | -- |
| 1980 | 86°F | 70°F | 0" | -- |
| 1979 | 72°F | 54°F | 0" | -- |
| 1978 | 92°F | 71°F | 0" | -- |
| 1977 | 81°F | 71°F | 0.08" | -- |
| 1976 | 73°F | 64°F | 0" | -- |
| 1975 | 93°F | 75°F | 0.05" | -- |
| 1974 | 85°F | 70°F | 0" | -- |
| 1973 | 84°F | 68°F | 0" | -- |
| 1972 | 82°F | 64°F | 0.97" | -- |
| 1971 | 81°F | 72°F | 0" | -- |
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.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.