Myrtle Beach, SC weather in July
Expect warm, oppressively humid weather with frequent rain in Myrtle Beach in July, with highs near 87°F and lows near 72°F. Rain falls on about 11 days. It is one of the warmest months in Myrtle Beach.
- Normal high
- 87°F
- Normal low
- 72°F
- Wet days
- 11
- 6.0 in total
- Muggy days
- 30
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 87°F | 87°F |
| Normal low | 71°F | 71°F |
| Chance of a wet day | 35% | 38% |
| Sunrise / sunset | 6:08 am / 8:30 pm | 6:27 am / 8:16 pm |
| Daylight | 14.3 h | 13.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical July day
- 6 am73°Fdew point 71°F
- 9 am82°Fdew point 72°F
- Noon88°Fdew point 71°F
- 3 pm89°Fdew point 70°F
- 6 pm86°Fdew point 70°F
- 9 pm79°Fdew point 72°F
NOAA hourly normals (local standard time) from Florence Rgnl Airport (59 mi away); average wind 6 mph; clear or few clouds in 60% of daytime hours, mostly cloudy or overcast in 26%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°Fnot available
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph17 of 31
- Hot dayshigh 90°F or more7 of 31
- Muggy daysdaily mean dew point 65°F or more30 of 31
- Wet daysat least 0.01 in of rain or melted snow11 of 31
- Notable rainat least 0.10 in9 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 6.0 in; a dry July brings about 4.2 in and a wet one about 7.5 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 2 an inch or more.
How July varies from year to year
- Warmest July, 1991-20201992: average high 90°F
- Coolest July2003: average high 84°F
- Wettest July1994: 10.4 in
- Driest July1993: 2.1 in
- Highest reading100°F (July 31, 2002)
- Lowest reading56°F (July 5, 2008)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 85°F | 87°F | 87°F |
| Normal low | 68°F | 72°F | 70°F |
| Wet days | 10 | 11 | 11 |
| Comfortable days | 1 | – | 0 |
| Daylight | 14.3 h | 14.1 h | 13.4 h |
Highs change by +2°F from June and 0°F into August.
Nearby alternatives in July
- Warmer: Columbia, SC125 mi · high 96°F · 12 wet days
How Myrtle Beach ranks in July
- Normal high186th warmest of 378 cities; 5th of 5 in South Carolina
- Wet days295th driest of 378
What to pack for Myrtle Beach in July
- Light, breathable clothing – highs near 87°F and about 30 muggy days
- A rain jacket or umbrella – rain on about 11 days
- A swimsuit – about 17 beach days
- Sunglasses and sunscreen – about 14.1 hours of daylight and highs near 87°F
Heating and cooling
July has 0 heating degree days and 450 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.
Questions
How hot is Myrtle Beach in July?
The normal high is 87°F and the normal low is 72°F. From 1991 to 2020 the hottest July reading was 100°F (most recently on July 31, 2002).
Does it rain a lot in Myrtle Beach in July?
About 11 days in July have at least 0.01 in of precipitation, and the normal total is 6.0 in. The wettest July in 1991-2020 was in 1994 (10.4 in); the driest was in 1993 (2.1 in).
Where the numbers come from
- Temperature and frost dates: Myrtle Beach (USC00386153), 5.8 mi NE of the city center, 39 ft . NOAA normals and daily records, 1991-2020.
- Rain: Brookgreen Gardens (USC00381093), 17 mi SW of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Florence Rgnl Airport (USW00013744), 59 mi NW of the city center, 146 ft (121 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Grand Strand Airport (747915-93718), 13 mi NE of the city center, 29 ft . Hourly observations, 1991-2020.
- Not available for this location: snowfall and snow depth (no station close enough or similar enough in elevation).