Myrtle Beach, SC
South Carolina · Records since 1931–2026
Records for August 11
🔥 Record High
August 11, 1991
+8° from 87° normal❄ Record Low
August 11, 1944
-15° from 73° normalAll-Time Records — Myrtle Beach
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 95°F | August 11, 1991 |
| 2 | 94°F | August 11, 1954 |
| 3 | 93°F | August 11, 2011 |
| 4 | 93°F | August 11, 1941 |
| 5 | 92°F | August 11, 2009 |
| 6 | 92°F | August 11, 1956 |
| 7 | 92°F | August 11, 1943 |
| 8 | 91°F | August 11, 2022 |
| 9 | 91°F | August 11, 2013 |
| 10 | 91°F | August 11, 2010 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 58°F | August 11, 1944 |
| 2 | 60°F | August 11, 2002 |
| 3 | 63°F | August 11, 1955 |
| 4 | 64°F | August 11, 1989 |
| 5 | 64°F | August 11, 1950 |
Heat Wave Summary — Myrtle Beach
threshold: 92°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date130 of 221 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1931–2026Average 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
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
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")
Month in Review — July 2026
Average temperature · July 2026
6th-warmest month on record
5th-warmest July of 66 on record
+2.1° vs. 80.6° average (1991–2020)Longest 90°F Streak in July
9 consecutive days with highs of at least 90°F (Jul 16–24, 2026, peaking at 96°F)
The longest July streak since 2020 (6 years). The July record is 30 days, set in 1942.
Average July Temperature by Year
1932–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1942 | 84.1°F |
| 2 | 2016 | 83.3°F |
| 3 | 2012 | 82.8°F |
| 4 | 1969 | 82.7°F |
| 5 | 2026 | 82.7°F |
| 6 | 2005 | 82.6°F |
| 7 | 2020 | 82.6°F |
| 8 | 2025 | 82.4°F |
| 9 | 2010 | 82.2°F |
| 10 | 1998 | 82.1°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 1942 | 84.1°F |
| 2 | July 2016 | 83.3°F |
| 3 | July 2012 | 82.8°F |
| 4 | June 2010 | 82.8°F |
| 5 | July 1969 | 82.7°F |
| 6 | July 2026 | 82.7°F |
| 7 | July 2005 | 82.6°F |
| 8 | July 2020 | 82.6°F |
| 9 | July 2025 | 82.4°F |
| 10 | July 2010 | 82.2°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Myrtle Beach, SC | 82.7°F | 5th of 66 |
| Lumberton, NC | 82.0°F | 17th of 117 |
| Wilmington, NC | 83.3°F | 7th of 153 |
| Charleston, SC | 85.3°F | 4th of 90 |
| Charleston Downtown, SC | 84.7°F | 6th of 133 |