Charleston Downtown, SC
South Carolina · Records since 1893–2026
🌙 79°F
Feels like 85°
Currently in Charleston Downtown
As of 2:00 AM EDT
Records for June 27
🔥 Record High
102°F
June 27, 1954
+16° from 86° normal❄ Record Low
66°F
June 27, 1967
-10° from 76° normal
🌞 Normal high: 86°F
🌑 Normal low: 76°F
1991–2020 normals
All-Time Records — Charleston Downtown
104°F
Hottest Day Ever
Jun 2, 1985
7°F
Coldest Day Ever
Feb 14, 1899
10.38"
Wettest Day Ever
Jun 11, 1973
3.2"
Most Snow in One Day
Feb 13, 1899
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
93 of 176 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1970–20265
2026 so far
28
Avg/year 1970–2025
24
Avg/year (last 10 complete)
71
Most in a year (1998)
Top 10 Record Highs — June 27
| # | Temp | Date |
|---|---|---|
| 🏆 | 102°F | June 27, 1954 |
| 2 | 99°F | June 27, 1959 |
| 3 | 97°F | June 27, 1977 |
| 4 | 97°F | June 27, 1952 |
| 5 | 96°F | June 27, 2009 |
| 6 | 96°F | June 27, 1921 |
| 7 | 95°F | June 27, 1978 |
| 8 | 95°F | June 27, 1950 |
| 9 | 95°F | June 27, 1902 |
| 10 | 94°F | June 27, 1911 |
Top 5 Record Lows — June 27
| # | Temp | Date |
|---|---|---|
| 🥶 | 66°F | June 27, 1967 |
| 2 | 66°F | June 27, 1936 |
| 3 | 67°F | June 27, 2012 |
| 4 | 67°F | June 27, 1979 |
| 5 | 67°F | June 27, 1974 |
Precipitation
Actual vs. 1991–2020 full-month and full-season normals
8.84"
2026 YTD
Normal: 17.88"
-9.04"
2.18"
June so far
June normal: 4.85"
-2.67"
2.18"
Summer so far
Summer normal: 16.04"
-13.86"
1
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
14
2026 so far
above-normal nights
37.6
Avg / summer
1970–2020
78
Most in a summer
1998
Above-Normal Summer Nights Per Year
Average June–August Low Temperature by Decade
Decade averages of the actual overnight low