Myrtle Beach weather in July: Myrtle Beach, South Carolina: normal highs, lows, rain and records for July
Myrtle Beach in July has a normal high of 88°F and a normal low of 74°F, a daily mean of 81°F, holding near 88°F all month. Measurable precipitation falls on 13 days in a normal July, 5.40 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 23°C, 137 mm of precipitation in July.
- NOAA stationNorth Myrtle Beach
- Station IDUSW00093718
- Location33.81°N 78.72°W
- Elevation32 ft (10 m)
- From the center12 miles
- Population40,535
- Jan 56° 37°
- Feb 58° 40°
- Mar 65° 45°
- Apr 72° 53°
- May 79° 62°
- Jun 85° 70°
- Jul 88° 74°
- Aug 87° 73°
- Sep 83° 68°
- Oct 76° 56°
- Nov 66° 46°
- Dec 59° 40°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Myrtle Beach in July?
The normal high is 88°F and the normal low 74°F, for a daily mean of 80.6°F. July is 3.1°F warmer than June and 1.1°F warmer than August. July is the warmest month of the year in Myrtle Beach and the 3rd wettest. From one year to the next July's mean temperature typically moves about 1.5°F either way (NOAA's standard deviation), so roughly two Julys in three average between 79°F and 82°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 41%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 87°F | 73°F | 39% | 26% |
| July 8 | 88°F | 74°F | 40% | 26% |
| July 15 | 88°F | 74°F | 41% | 26% |
| July 22 | 88°F | 74°F | 41% | 25% |
| July 31 | 87°F | 74°F | 41% | 25% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 9, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 87°F | 73°F | 39% | 26% | 14 h 20 min |
| July 2 | 87°F | 73°F | 39% | 26% | 14 h 20 min |
| July 3 | 87°F | 73°F | 39% | 26% | 14 h 20 min |
| July 4 | 88°F | 74°F | 39% | 26% | 14 h 20 min |
| July 5 | 88°F | 74°F | 40% | 26% | 14 h 20 min |
| July 6 | 88°F | 74°F | 40% | 26% | 14 h 20 min |
| July 7 | 88°F | 74°F | 40% | 26% | 14 h 20 min |
| July 8 | 88°F | 74°F | 40% | 26% | 14 h 20 min |
| July 9 | 88°F | 74°F | 40% | 26% | 14 h 20 min |
| July 10 | 88°F | 74°F | 40% | 26% | 14 h 20 min |
| July 11 | 88°F | 74°F | 41% | 26% | 14 h 20 min |
| July 12 | 88°F | 74°F | 41% | 26% | 14 h 20 min |
| July 13 | 88°F | 74°F | 41% | 26% | 14 h 10 min |
| July 14 | 88°F | 74°F | 41% | 26% | 14 h 10 min |
| July 15 | 88°F | 74°F | 41% | 26% | 14 h 10 min |
| July 16 | 88°F | 74°F | 41% | 26% | 14 h 10 min |
| July 17 | 88°F | 74°F | 41% | 25% | 14 h 10 min |
| July 18 | 88°F | 74°F | 40% | 25% | 14 h 10 min |
| July 19 | 88°F | 74°F | 40% | 25% | 14 h 10 min |
| July 20 | 88°F | 74°F | 40% | 25% | 14 h 10 min |
| July 21 | 88°F | 74°F | 41% | 25% | 14 h 10 min |
| July 22 | 88°F | 74°F | 41% | 25% | 14 h |
| July 23 | 88°F | 74°F | 41% | 25% | 14 h |
| July 24 | 88°F | 74°F | 41% | 25% | 14 h |
| July 25 | 88°F | 74°F | 41% | 25% | 14 h |
| July 26 | 88°F | 74°F | 41% | 25% | 14 h |
| July 27 | 87°F | 74°F | 41% | 25% | 14 h |
| July 28 | 87°F | 74°F | 41% | 25% | 14 h |
| July 29 | 87°F | 74°F | 41% | 25% | 14 h |
| July 30 | 87°F | 74°F | 41% | 25% | 13 h 50 min |
| July 31 | 87°F | 74°F | 41% | 25% | 13 h 50 min |
- Normal high
- 88°FJuly average
- Normal low
- 74°FJuly average
- Precipitation
- 5.40 inmonth total
- Days with precipitation
- 130.01 inch or more
- Days at 90°F or more
- 8
- Daylight
- 14 h 20 min to 13 h 50 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 84%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093718; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Myrtle Beach in July?
On a given July day the chance of 0.01 inch or more is 40% on average, highest around July 30 (41%). In all, 5.40 in falls on 13 days of a normal July, 2 of them with an inch or more.
In a normal July in Myrtle Beach, 8 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093718.
What are the records for July in Myrtle Beach?
The warmest July temperature on Myrtle Beach's official record (since 1931) is 101°F, on July 11, 1942; the coldest is 54°F, on July 7, 1951. The wettest July brought 16.39 in (1960).
The July mean against the 1991-2020 normal of 80.6°F: 2021 79.2°F (−1.4), 2022 81.2°F (+0.6), 2023 81.7°F (+1.1), 2024 81.6°F (+1.0), 2025 82.4°F (+1.8), 2026 82.7°F (+2.1). 5 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 79.2°F | −1.4°F | 6.38 in |
| 2022 | 81.2°F | +0.6°F | 10.91 in |
| 2023 | 81.7°F | +1.1°F | 4.36 in |
| 2024 | 81.6°F | +1.0°F | 8.67 in |
| 2025 | 82.4°F | +1.8°F | 7.99 in |
| 2026 | 82.7°F | +2.1°F | 3.28 in |
Source: records: ACIS, NWS threaded record CREthr; recent months: ACIS, station USW00093718. Records and recent months use complete months only.
How does July in Myrtle Beach compare across South Carolina?
Across the 73 places PlainClimate covers in South Carolina, July normal highs run from 78°F in Caesars Head to 93°F in Aiken; Myrtle Beach's is 88°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Myrtle Beach in June85°F by day, 70°F at night
- Myrtle Beach in August87°F by day, 73°F at night
- Myrtle Beach through the yearEvery month, frost dates, records and recent years
- South Carolina in JulyThe statewide normal and the warmest and coolest places
- Aiken: South Carolina's warmest Julynormal high 93°F