North Myrtle Beach in Summer
In summer (June, July and August), North Myrtle Beach sees average daytime highs around 84°F and overnight lows near 75°F, with 16.5 in of rain over about 47 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 84°F. The sky is clear or mostly clear about 30% of the time across summer, and the air most often feels oppressive.
Summer is North Myrtle Beach's 3rd-best season to visit on our travel score. For the whole year in context, see North Myrtle Beach's year-round climate.
- Avg daytime high
- 84°F
- warmest season of the year
- Avg overnight low
- 75°F
- Rainfall
- 16.5 in
- 47 wet days
- Avg wind
- 8 mph
- Travel score
- 5.0
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in North Myrtle Beach in Summer
Across summer, daytime highs hold fairly steady around 84°F.
A typical summer day in North Myrtle Beach reaches about 84°F and drops to 75°F overnight. The warmest of the three months is July, the coolest June.
How summer really feels in North Myrtle Beach
Once humidity and wind are folded in, summer brings about 57 days that feel above 90°F and 0 that feel at or below 32°F.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
North Myrtle Beach weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 56° / 44° | 3.7 | 9.5 | 10 | 4.0 |
| Feb | 58° / 45° | 3.7 | 8.9 | 10.7 | 4.4 |
| Mar | 63° / 51° | 4.0 | 8.9 | 11.7 | 5.8 |
| Apr | 70° / 58° | 3.0 | 7.6 | 12.8 | 6.9 |
| May | 76° / 66° | 3.1 | 9.4 | 13.7 | 7.1 |
| Jun | 82° / 73° | 4.3 | 13.1 | 14.2 | 5.7 |
| Jul | 85° / 76° | 5.5 | 16.6 | 14 | 4.5 |
| Aug | 84° / 76° | 6.7 | 17.1 | 13.3 | 4.7 |
| Sep | 80° / 71° | 6.4 | 12.9 | 12.2 | 6.2 |
| Oct | 73° / 62° | 4.0 | 7.9 | 11.1 | 7.3 |
| Nov | 65° / 52° | 3.3 | 7.9 | 10.2 | 6.4 |
| Dec | 59° / 47° | 4.1 | 9.4 | 9.8 | 4.7 |
Cloud cover in Summer
The sky is clear or mostly clear about 30% of the time across summer.
Chance of precipitation in Summer
North Myrtle Beach gets around 16.5 in of rain over 47 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 8 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 06 min in early June to 12 h 48 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.8 kWh/m².
Hazard calendar for North Myrtle Beach
In summer, North Myrtle Beach overlaps its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
North Myrtle Beach sits in the Atlantic hurricane belt; the season peaks August–October.
Is summer a good time to visit North Myrtle Beach?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit North Myrtle Beach for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for North Myrtle Beach in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, North Myrtle Beach sees daytime highs around 84°F and nights near 75°F. Pack light clothes, rain gear and sun protection. About 47 days see rain.
Sea temperature near North Myrtle Beach in Summer
The nearest coast averages about 81°F across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 83°F and coldest in February near 59°F.
It's comfortable for a long swim from Apr 29 to Nov 14 — about 6.6 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 60 | 59 | 61 | 65 | 72 | 79 | 82 | 83 | 80 | 74 | 68 | 62 |
| Comfort | Cool | Bracing | Cool | Cool | Refreshing | Warm | Warm | Tropical | Warm | Refreshing | Cool | Cool |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 60 | Cool |
| Feb | 59 | Bracing |
| Mar | 61 | Cool |
| Apr | 65 | Cool |
| May | 72 | Refreshing |
| Jun | 79 | Warm |
| Jul | 82 | Warm |
| Aug | 83 | Tropical |
| Sep | 80 | Warm |
| Oct | 74 | Refreshing |
| Nov | 68 | Cool |
| Dec | 62 | Cool |
UV index in North Myrtle Beach in Summer
Clear-sky midday UV across summer averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in North Myrtle Beach peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 6 | 7 | 8 | 9 | 10 | 8 | 7 | 5 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 7 | Very high |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 8 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in North Myrtle Beach in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in North Myrtle Beach is worst in March — around 21 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (December, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 7 | 12 | 21 | 12 | 11 | 15 | 16 | 14 | 9 | 6 | 7 | 6 |
| Level | Good | Good | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 12 | Good |
| Mar | 21 | Moderate |
| Apr | 12 | Moderate |
| May | 11 | Good |
| Jun | 15 | Moderate |
| Jul | 16 | Moderate |
| Aug | 14 | Moderate |
| Sep | 9 | Good |
| Oct | 6 | Good |
| Nov | 7 | Good |
| Dec | 6 | Good |
Where is North Myrtle Beach?
North Myrtle Beach sits at 33.8°N, 78.7°W, 7 ft above sea level, in United States. The nearest listed city is Myrtle Beach, 15 mi away.
Topography around North Myrtle Beach
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of North Myrtle Beach.
Within 2 miles, the terrain around North Myrtle Beach has only modest variations in elevation — a maximum elevation change of 102 ft around an average of 16 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 138 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 230 ft.
The land around North Myrtle Beach is covered by water (49%) within 2 miles, water (48%) and trees (37%) within 10 miles, and trees (55%) and water (31%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for North Myrtle Beach (33.816°, -78.68°, elevation 7 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.