Myrtle Beach, SC
South Carolina · Records since 1931–2026
☀️ 81°F
Feels like 87°
Currently in Myrtle Beach
As of 8:00 PM EDT
Records for July 28
🔥 Record High
99°F
July 28, 2005
+12° from 87° normal❄ Record Low
63°F
July 28, 1962
-11° from 74° normal
🌞 Normal high: 87°F 🌑 Normal low: 74°F 1991–2020 normals
All-Time Records — Myrtle Beach
104°F
Hottest Day Ever
Aug 5, 1954
9°F
Coldest Day Ever
Feb 18, 1958
12.04"
Wettest Day Ever
Sep 15, 1999
11.0"
Most Snow in One Day
Dec 24, 1989
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 99°F | July 28, 2005 |
| 2 | 98°F | July 28, 1949 |
| 3 | 97°F | July 28, 2016 |
| 4 | 97°F | July 28, 1968 |
| 5 | 97°F | July 28, 1942 |
| 6 | 97°F | July 28, 1941 |
| 7 | 96°F | July 28, 1992 |
| 8 | 95°F | July 28, 1952 |
| 9 | 94°F | July 28, 1999 |
| 10 | 94°F | July 28, 1955 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 63°F | July 28, 1962 |
| 2 | 64°F | July 28, 1954 |
| 3 | 66°F | July 28, 1946 |
| 4 | 67°F | July 28, 2019 |
| 5 | 68°F | July 28, 2024 |
Heat Wave Summary — Myrtle Beach
threshold: 92°F (90th percentile of historical Jun–Aug highs)4.4
Avg heat wave length
days (historical)
97°
Avg peak temp
during heat waves
54
Dangerous nights 2026
Overnights ≥ 70°F
1
Heat waves 2026
so far
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
125 of 207 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1931–202624
2026 so far
22
Avg/year 1970–2025
19
Avg/year (last 10 complete)
51
Most in a year (2010)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Myrtle Beach
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 2, 1942 – Jul 23, 1942 | 22 | 101°F (Jul 11) | 96°F | 74°F |
| 2 | Jul 25, 1941 – Aug 2, 1941 | 9 | 100°F (Jul 29) | 95°F | 76°F |
| 3 | Jul 23, 1949 – Jul 30, 1949 | 8 | 100°F (Jul 27) | 95°F | 73°F |
| 4 | Jun 20, 1950 – Jun 27, 1950 | 8 | 99°F (Jun 24) | 97°F | 74°F |
| 5 | Jul 26, 1999 – Aug 2, 1999 | 8 | 98°F (Aug 1) | 95°F | 76°F |
| 6 | Jul 6, 2026 – Jul 12, 2026 | 7 | 98°F (Jul 10) | 95°F | 77°F |
| 7 | Jul 25, 1942 – Jul 31, 1942 | 7 | 97°F (Jul 28) | 95°F | 71°F |
| 8 | Jun 12, 2015 – Jun 18, 2015 | 7 | 97°F (Jun 14) | 94°F | 76°F |
| 9 | Jun 25, 1952 – Jun 30, 1952 | 6 | 104°F (Jun 26) | 98°F | 74°F |
| 10 | Aug 1, 1954 – Aug 6, 1954 | 6 | 104°F (Aug 5) | 98°F | 74°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
32
2026 so far
above-normal nights
42.1
Avg / summer
1970–2020
69
Most in a summer
2010
Above-Normal Summer Nights Per Year
Average June–August Low by Decade
Overnight lows · complete decades only
Precipitation
Actual vs. 1991–2020 full-month and full-season normals
11.43"
2026 YTD
Normal: 24.31"
-12.88"
3.28"
July so far
July normal: 5.40"
-2.12"
5.10"
Summer so far
Summer normal: 15.72"
-10.62"
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")
Compare year-to-year changes in days with heavy rainfall (≥ 1.0")