Myrtle Beach, South Carolina weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Good
Best time to visit: May – October
What is the weather like in Myrtle Beach, South Carolina in July?
In July, Myrtle Beach, South Carolina is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 27.8 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. It rains often – on about 19 days, adding up to 169 mm. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a good month for a holiday in Myrtle Beach, South Carolina.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 14 h 12 min06:15 – 20:27
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 60 %on averageAll months
- Hot days
- 14 days30 °C or moreAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %72 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in July
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Myrtle Beach, South Carolina in July: quick answers
Is Myrtle Beach, South Carolina hot in July?
Yes. In July, Myrtle Beach, South Carolina is hot: daytime highs average 30 °C and nights stay around 24 °C. On about 14 days the thermometer climbs to 30 °C or more.
Can you swim in Myrtle Beach, South Carolina in July?
Yes. In July the sea averages 27.8 °C – lovely and warm for swimming.
Does it rain much in Myrtle Beach, South Carolina in July?
It rains often – on about 19 days, adding up to 169 mm.
Myrtle Beach, South Carolina month by month
The whole year in Myrtle Beach, South CarolinaAll destinations: USAWhere to go in JulySea temperature in July
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences