Myrtle Beach weather in July
In July, Myrtle Beach sees average daytime highs of 87°F and overnight lows near 75°F, with 6.4 in of rain across 18.9 wet days and about 14 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.
Day-to-day highs hold fairly steady near 87°F through the month. The sky is clear or mostly clear about 25% of the time in July, and the air most often feels oppressive.
Daylight stretches from about 14 h 12 min at the start of July to 13 h 42 min by month's end. Set against the rest of the year, July is Myrtle Beach's 12th-clearest and 11th-windiest month. For the whole year in context, see Myrtle Beach's year-round climate.
- Daytime high
- 87°
- 1st warmest
- Overnight low
- 75°
- 12th coldest
- Rainfall
- 6.4 in
- 18.9 wet days
- Daylight
- 14 hours
- 5:20 AM – 7:22 PM
- Cloud cover
- 62%
- 12th clearest
- Wind
- 7 mph
- 11th windiest
- Solar energy
- 5.96 kWh/m²
- Travel score
- 3.8
- out of 10
Myrtle Beach is coastal city in Horry County, South Carolina, United States.
- Density
- 514/km²
- people per km²
- Founded
- 1936
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Day-to-day highs hold fairly steady near 87°F through the month.
A typical July day in Myrtle Beach reaches about 87°F in the afternoon and slips back to 75°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 82°F and 92°F. Set against its neighbours, July runs about 2°F warmer than June and on par with August.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 86 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 |
| Avg low (°F) | 74 | 74 | 74 | 74 | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 86 | 74 |
| 2 | 87 | 74 |
| 3 | 87 | 74 |
| 4 | 87 | 74 |
| 5 | 87 | 74 |
| 6 | 87 | 74 |
| 7 | 87 | 75 |
| 8 | 87 | 75 |
| 9 | 87 | 75 |
| 10 | 87 | 75 |
| 11 | 87 | 75 |
| 12 | 87 | 75 |
| 13 | 87 | 75 |
| 14 | 87 | 75 |
| 15 | 87 | 75 |
| 16 | 87 | 75 |
| 17 | 87 | 75 |
| 18 | 87 | 75 |
| 19 | 87 | 75 |
| 20 | 87 | 75 |
| 21 | 87 | 75 |
| 22 | 87 | 75 |
| 23 | 87 | 75 |
| 24 | 87 | 75 |
| 25 | 87 | 75 |
| 26 | 87 | 75 |
| 27 | 87 | 75 |
| 28 | 87 | 75 |
| 29 | 87 | 75 |
| 30 | 87 | 75 |
| 31 | 87 | 75 |
How July really feels in Myrtle Beach
Once humidity and wind are folded in, July averages 31 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Myrtle Beach weather by month
How July compares with the rest of the year at a glance. July is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 56° / 40° | 3.5 | 9.1 | 10 | 4.1 |
| Feb | 59° / 42° | 3.4 | 8.3 | 10.7 | 4.7 |
| Mar | 65° / 48° | 3.8 | 9.2 | 11.7 | 6.1 |
| Apr | 72° / 56° | 3.1 | 8 | 12.8 | 7.1 |
| May | 78° / 64° | 3.4 | 10.4 | 13.7 | 6.8 |
| Jun | 84° / 72° | 5.0 | 15.3 | 14.2 | 4.8 |
| Jul | 87° / 75° | 6.4 | 18.9 | 14 | 3.8 |
| Aug | 85° / 74° | 7.0 | 18.7 | 13.3 | 4.1 |
| Sep | 82° / 69° | 6.2 | 12.7 | 12.2 | 5.9 |
| Oct | 74° / 59° | 3.7 | 7.8 | 11.2 | 7.3 |
| Nov | 65° / 49° | 3.1 | 7.4 | 10.3 | 6.5 |
| Dec | 59° / 43° | 3.7 | 8.7 | 9.8 | 4.8 |
Cloud cover in July
The sky is clear or mostly clear about 25% of the time in July, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 20% of July, with mostly cloudy or overcast conditions the remaining 55%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 46 | 45 | 47 | 47 | 47 | 47 | 48 | 47 | 47 | 47 | 47 | 47 | 47 | 45 | 45 | 45 | 45 | 45 | 43 | 43 | 43 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 41 | 41 |
| Cloudier (%) | 54 | 55 | 53 | 53 | 53 | 53 | 52 | 53 | 53 | 53 | 53 | 53 | 53 | 55 | 55 | 55 | 55 | 55 | 57 | 57 | 57 | 58 | 58 | 58 | 58 | 58 | 59 | 59 | 59 | 59 | 59 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 46 | 54 |
| 2 | 45 | 55 |
| 3 | 47 | 53 |
| 4 | 47 | 53 |
| 5 | 47 | 53 |
| 6 | 47 | 53 |
| 7 | 48 | 52 |
| 8 | 47 | 53 |
| 9 | 47 | 53 |
| 10 | 47 | 53 |
| 11 | 47 | 53 |
| 12 | 47 | 53 |
| 13 | 47 | 53 |
| 14 | 45 | 55 |
| 15 | 45 | 55 |
| 16 | 45 | 55 |
| 17 | 45 | 55 |
| 18 | 45 | 55 |
| 19 | 43 | 57 |
| 20 | 43 | 57 |
| 21 | 43 | 57 |
| 22 | 42 | 58 |
| 23 | 42 | 58 |
| 24 | 42 | 58 |
| 25 | 42 | 58 |
| 26 | 42 | 58 |
| 27 | 41 | 59 |
| 28 | 41 | 59 |
| 29 | 41 | 59 |
| 30 | 41 | 59 |
| 31 | 41 | 59 |
Chance of precipitation in July
Myrtle Beach gets around 6.4 in of rain over 18.9 wet days in July. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 61% and peaks near 65% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 57 | 57 | 58 | 58 | 58 | 58 | 58 | 59 | 59 | 59 | 59 | 59 | 60 | 60 | 61 | 61 | 61 | 62 | 62 | 62 | 62 | 63 | 63 | 64 | 64 | 65 | 65 | 65 | 65 | 65 | 65 |
| Rain chance (%) | |
|---|---|
| 1 | 57 |
| 2 | 57 |
| 3 | 58 |
| 4 | 58 |
| 5 | 58 |
| 6 | 58 |
| 7 | 58 |
| 8 | 59 |
| 9 | 59 |
| 10 | 59 |
| 11 | 59 |
| 12 | 59 |
| 13 | 60 |
| 14 | 60 |
| 15 | 61 |
| 16 | 61 |
| 17 | 61 |
| 18 | 62 |
| 19 | 62 |
| 20 | 62 |
| 21 | 62 |
| 22 | 63 |
| 23 | 63 |
| 24 | 64 |
| 25 | 64 |
| 26 | 65 |
| 27 | 65 |
| 28 | 65 |
| 29 | 65 |
| 30 | 65 |
| 31 | 65 |
Humidity in July
Most of July feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the oppressive band about 58% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 |
| Muggy (%) | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 |
| Oppressive (%) | 67 | 66 | 66 | 65 | 64 | 65 | 64 | 63 | 62 | 61 | 61 | 61 | 60 | 59 | 58 | 57 | 57 | 56 | 55 | 54 | 54 | 54 | 54 | 53 | 53 | 54 | 54 | 53 | 54 | 53 | 54 |
| Miserable (%) | 17 | 18 | 19 | 20 | 21 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 34 | 35 | 36 | 37 | 38 | 39 | 39 | 39 | 40 | 40 | 39 | 39 | 39 | 38 | 38 | 37 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 1 | 4 | 11 | 67 | 17 |
| 2 | 1 | 4 | 11 | 66 | 18 |
| 3 | 1 | 4 | 10 | 66 | 19 |
| 4 | 1 | 4 | 10 | 65 | 20 |
| 5 | 1 | 4 | 10 | 64 | 21 |
| 6 | 0 | 3 | 9 | 65 | 23 |
| 7 | 0 | 3 | 9 | 64 | 24 |
| 8 | 0 | 3 | 9 | 63 | 25 |
| 9 | 0 | 3 | 9 | 62 | 26 |
| 10 | 0 | 3 | 9 | 61 | 27 |
| 11 | 0 | 3 | 8 | 61 | 28 |
| 12 | 0 | 2 | 8 | 61 | 29 |
| 13 | 0 | 2 | 8 | 60 | 30 |
| 14 | 0 | 2 | 8 | 59 | 31 |
| 15 | 0 | 2 | 8 | 58 | 32 |
| 16 | 0 | 2 | 7 | 57 | 34 |
| 17 | 0 | 1 | 7 | 57 | 35 |
| 18 | 0 | 1 | 7 | 56 | 36 |
| 19 | 0 | 1 | 7 | 55 | 37 |
| 20 | 0 | 1 | 7 | 54 | 38 |
| 21 | 0 | 1 | 6 | 54 | 39 |
| 22 | 0 | 1 | 6 | 54 | 39 |
| 23 | 0 | 1 | 6 | 54 | 39 |
| 24 | 0 | 1 | 6 | 53 | 40 |
| 25 | 0 | 1 | 6 | 53 | 40 |
| 26 | 0 | 1 | 6 | 54 | 39 |
| 27 | 0 | 1 | 6 | 54 | 39 |
| 28 | 0 | 2 | 6 | 53 | 39 |
| 29 | 0 | 2 | 6 | 54 | 38 |
| 30 | 0 | 2 | 7 | 53 | 38 |
| 31 | 0 | 2 | 7 | 54 | 37 |
Wind in July
Winds average 7 mph in July.
Across July, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in July
Daylight runs from about 14 h 12 min at the start of July to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 30 minutes over July. Sunrise moves from 5:13 AM to 5:30 AM, and sunset from 7:25 PM to 7:13 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.8 | 13.8 | 13.7 | 13.7 |
| Sunrise (AM) | 5:13 | 5:13 | 5:13 | 5:14 | 5:14 | 5:15 | 5:15 | 5:16 | 5:16 | 5:17 | 5:17 | 5:18 | 5:18 | 5:19 | 5:20 | 5:20 | 5:21 | 5:21 | 5:22 | 5:23 | 5:23 | 5:24 | 5:25 | 5:25 | 5:26 | 5:27 | 5:27 | 5:28 | 5:29 | 5:29 | 5:30 |
| Sunset (PM) | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:25 | 7:24 | 7:24 | 7:24 | 7:24 | 7:23 | 7:23 | 7:23 | 7:22 | 7:22 | 7:21 | 7:21 | 7:20 | 7:20 | 7:19 | 7:19 | 7:18 | 7:17 | 7:17 | 7:16 | 7:15 | 7:15 | 7:14 | 7:13 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.2 | 5:13 | 7:25 |
| 2 | 14.2 | 5:13 | 7:25 |
| 3 | 14.2 | 5:13 | 7:25 |
| 4 | 14.2 | 5:14 | 7:25 |
| 5 | 14.2 | 5:14 | 7:25 |
| 6 | 14.2 | 5:15 | 7:25 |
| 7 | 14.2 | 5:15 | 7:25 |
| 8 | 14.1 | 5:16 | 7:25 |
| 9 | 14.1 | 5:16 | 7:24 |
| 10 | 14.1 | 5:17 | 7:24 |
| 11 | 14.1 | 5:17 | 7:24 |
| 12 | 14.1 | 5:18 | 7:24 |
| 13 | 14.1 | 5:18 | 7:23 |
| 14 | 14.1 | 5:19 | 7:23 |
| 15 | 14.1 | 5:20 | 7:23 |
| 16 | 14.0 | 5:20 | 7:22 |
| 17 | 14.0 | 5:21 | 7:22 |
| 18 | 14.0 | 5:21 | 7:21 |
| 19 | 14.0 | 5:22 | 7:21 |
| 20 | 14.0 | 5:23 | 7:20 |
| 21 | 13.9 | 5:23 | 7:20 |
| 22 | 13.9 | 5:24 | 7:19 |
| 23 | 13.9 | 5:25 | 7:19 |
| 24 | 13.9 | 5:25 | 7:18 |
| 25 | 13.9 | 5:26 | 7:17 |
| 26 | 13.8 | 5:27 | 7:17 |
| 27 | 13.8 | 5:27 | 7:16 |
| 28 | 13.8 | 5:28 | 7:15 |
| 29 | 13.8 | 5:29 | 7:15 |
| 30 | 13.7 | 5:29 | 7:14 |
| 31 | 13.7 | 5:30 | 7:13 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 5.96 kWh/m².
For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 6.23 kWh/m² in May across the year — July's 5.96 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.6 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.2 | Intense |
| 2 | 6.2 | Intense |
| 3 | 6.1 | Intense |
| 4 | 6.1 | Intense |
| 5 | 6.1 | Intense |
| 6 | 6.1 | Intense |
| 7 | 6.1 | Intense |
| 8 | 6.1 | Intense |
| 9 | 6.1 | Intense |
| 10 | 6.1 | Intense |
| 11 | 6.0 | Intense |
| 12 | 6.0 | Intense |
| 13 | 6.0 | Intense |
| 14 | 6.0 | Bright |
| 15 | 6.0 | Bright |
| 16 | 6.0 | Bright |
| 17 | 5.9 | Bright |
| 18 | 5.9 | Bright |
| 19 | 5.9 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.8 | Bright |
| 22 | 5.8 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.8 | Bright |
| 25 | 5.8 | Bright |
| 26 | 5.7 | Bright |
| 27 | 5.7 | Bright |
| 28 | 5.7 | Bright |
| 29 | 5.7 | Bright |
| 30 | 5.7 | Bright |
| 31 | 5.6 | Bright |
Hazard calendar for Myrtle Beach
In July, Myrtle Beach sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Myrtle Beach sits in the Atlantic hurricane belt; the season peaks August–October.
Is July a good time to visit Myrtle Beach?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a weaker month for outdoor sightseeing in Myrtle Beach.
What to pack for Myrtle Beach in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Myrtle Beach sees daytime highs around 87°F and nights near 75°F. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.
Sea temperature near Myrtle Beach in July
The nearest coast averages about 82°F in July — 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 82°F and coldest in February near 60°F.
It's comfortable for a long swim from Apr 28 to Nov 16 — about 6.7 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 61 | 60 | 61 | 65 | 72 | 79 | 82 | 82 | 80 | 75 | 68 | 64 |
| Comfort | Cool | Cool | Cool | Cool | Refreshing | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 61 | Cool |
| Feb | 60 | Cool |
| Mar | 61 | Cool |
| Apr | 65 | Cool |
| May | 72 | Refreshing |
| Jun | 79 | Warm |
| Jul | 82 | Warm |
| Aug | 82 | Warm |
| Sep | 80 | Warm |
| Oct | 75 | Refreshing |
| Nov | 68 | Refreshing |
| Dec | 64 | Cool |
UV index in Myrtle Beach in July
Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Myrtle Beach peaks around July 13 at about 10 (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 | 5 | 6 | 8 | 9 | 9 | 10 | 8 | 8 | 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 | 5 | Moderate |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 9 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 8 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Myrtle Beach in July
Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.
Air quality in 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 Myrtle Beach?
Myrtle Beach sits at 33.7°N, 78.9°W, 26 ft above sea level, in United States. The nearest listed city is Socastee, 6.2 mi away.
Topography around Myrtle Beach
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Myrtle Beach.
Within 2 miles, the terrain around Myrtle Beach has only modest variations in elevation — a maximum elevation change of 92 ft around an average of 16 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 125 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 210 ft.
The land around Myrtle Beach is covered by water (43%) and artificial surfaces (27%) within 2 miles, water (49%) and trees (31%) within 10 miles, and trees (56%) and water (30%) 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 Myrtle Beach (33.6891°, -78.8867°, elevation 26 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).