Charleston, SC
South Carolina · Records since 1937–2026
🌙 79°F
Feels like 84°
Currently in Charleston
As of 2:00 AM EDT
Records for June 27
🔥 Record High
101°F
June 27, 1954
+11° from 90° normal❄ Record Low
62°F
June 27, 2012
-10° from 72° normal
🌞 Normal high: 90°F
🌑 Normal low: 72°F
1991–2020 normals
All-Time Records — Charleston
105°F
Hottest Day Ever
Aug 1, 1999
6°F
Coldest Day Ever
Jan 21, 1985
11.50"
Wettest Day Ever
Oct 3, 2015
6.0"
Most Snow in One Day
Dec 23, 1989
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
100 of 176 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1970–202619
2026 so far
63
Avg/year 1970–2025
74
Avg/year (last 10 complete)
98
Most in a year (2016)
Top 10 Record Highs — June 27
| # | Temp | Date |
|---|---|---|
| 🏆 | 101°F | June 27, 1954 |
| 2 | 100°F | June 27, 1952 |
| 3 | 99°F | June 27, 1998 |
| 4 | 99°F | June 27, 1950 |
| 5 | 98°F | June 27, 2009 |
| 6 | 97°F | June 27, 1977 |
| 7 | 96°F | June 27, 2024 |
| 8 | 96°F | June 27, 1995 |
| 9 | 96°F | June 27, 1959 |
| 10 | 95°F | June 27, 2010 |
Top 5 Record Lows — June 27
| # | Temp | Date |
|---|---|---|
| 🥶 | 62°F | June 27, 2012 |
| 2 | 65°F | June 27, 1967 |
| 3 | 65°F | June 27, 1960 |
| 4 | 66°F | June 27, 1946 |
| 5 | 67°F | June 27, 1979 |
Precipitation
Actual vs. 1991–2020 full-month and full-season normals
10.68"
2026 YTD
Normal: 21.52"
-10.84"
1.56"
June so far
June normal: 6.21"
-4.65"
1.56"
Summer so far
Summer normal: 19.78"
-18.22"
2
2026 heavy rain days
Days with ≥ 1.0"
Monthly Precipitation — Last 24 Months
Blue = actual · dashed line = monthly normal
Annual Precipitation Per Year (1970–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Heavy Rain Days Per Year (≥ 1.0")
Even when annual totals stay similar, storms can become more intense and concentrated
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
16
2026 so far
above-normal nights
40.4
Avg / summer
1970–2020
79
Most in a summer
2016
Above-Normal Summer Nights Per Year
Average June–August Low Temperature by Decade
Decade averages of the actual overnight low