Myrtle Beach weather in July 2025

Q: How hot is it in Myrtle Beach in July?

Daytime temperatures usually reach 32°C in Myrtle Beach in July with high heat and humidity, falling to 22°C at night.

Q: How sunny is it in Myrtle Beach in July?

There are normally 9 hours of bright sunshine each day in Myrtle Beach in July - that's 64% of daylight hours.

Q: How warm is the sea around Myrtle Beach in July?

The average sea temperature around Myrtle Beach in July is 27°C.

Q: Does it rain in Myrtle Beach in July?

There are usually 12 days with some rain in Myrtle Beach in July and the average monthly rainfall is 171mm.

Q: What is the chance of a cyclone in Myrtle Beach in July?

On average less than 1 day in July in Myrtle Beach is likely to be affected by the passage of one or more tropical storms.

Expect 90°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Myrtle Beach in July. Check more long-term weather averages for Myrtle Beach in July before you book your next holiday to South Carolina in 2025/2026.

90
90°F max day temperature
9
9 hours of sunshine per day
12
12 days with some rainfall
72
72°F min night temperature
14
14 hours of daylight per day
H
High heat & humidity
6.7
6.7 inches of monthly rainfall
10
10 (Very High) UV index
81
81°F sea temperature

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The July weather guide for South Carolina (Myrtle Beach) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about the USA

How hot is it in Myrtle Beach in July?

Daytime temperatures usually reach 90°F in Myrtle Beach in July with high heat and humidity, falling to 72°F at night.

How sunny is it in Myrtle Beach in July?

There are normally 9 hours of bright sunshine each day in Myrtle Beach in July - that's 64% of daylight hours.

How warm is the sea around Myrtle Beach in July?

The average sea temperature around Myrtle Beach in July is 81°F.

Does it rain in Myrtle Beach in July?

There are usually 12 days with some rain in Myrtle Beach in July and the average monthly rainfall is 6.7 inches.

What is the chance of a hurricane in Myrtle Beach in July?

On average less than 1 day in July in Myrtle Beach is likely to be affected by the passage of one or more tropical storms.

Myrtle Beach July sunrise & sunset times

Browse the sunrise and sunset times for Myrtle Beach in July 2025. Select a month to view Myrtle Beach sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Tuesday, 1st July 2025	05:09	19:30
Wednesday, 16th July 2025	05:17	19:26
Thursday, 31st July 2025	05:27	19:16

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South Carolina - quick facts
Flight time^✝	11.5 hours
Time difference	UK -5 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Beaches Culture
Tourist info	South Carolina Department of Parks, Recreation & Tourism