Historical Weather Records & Monthly Climate for Charleston, SC
All-Time High
102°F
All-Time Low
12°F
Max Daily Snow
5"
Max Wind Gust
97 mph
Monthly Climate Averages
Based on 30 years of historical data (1994 - 2023)
| Month | High (°F) | Low (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|
| January | 58° | 44° | 2.89" | 0.22" |
| February | 61° | 47° | 3.27" | 0.06" |
| March | 66° | 52° | 3.15" | 0 |
| April | 73° | 59° | 3.15" | 0 |
| May | 79° | 67° | 2.63" | 0 |
| June | 84° | 74° | 5.04" | 0 |
| July | 87° | 77° | 5.31" | 0 |
| August | 85° | 76° | 6.26" | 0 |
| September | 82° | 72° | 5.15" | 0 |
| October | 75° | 63° | 3.82" | 0 |
| November | 66° | 53° | 2.54" | 0 |
| December | 61° | 48° | 3.62" | 0 |
Historical Weather Extremes
Based on 80+ years of archive data (1940 - 2024)
🔥
Longest Heatwave
14 Days
1986
Consecutive days ≥ 90°F
🧊
Deepest Freeze
2 Days
1970
Consecutive days ≤ 32°F
🏜️
Longest Drought
35 Days
2000
Consecutive days w/o rain
☔
Wettest Month
13.76"
July 1945
Most rainfall in one month
⛄
Snowiest Month
6.04"
December 1989
Most snowfall in one month
More Historical Climate Data for Cities in
SC