Myrtle Beach, SC weather in May
In May, Myrtle Beach sees highs around 79°F and lows around 60°F: mild and often humid, with some rain. There are about 8 days with rain.
- Normal high
- 79°F
- Normal low
- 60°F
- Wet days
- 8
- 3.8 in total
- Muggy days
- 15
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 76°F | 82°F |
| Normal low | 55°F | 64°F |
| Chance of a wet day | 24% | 29% |
| Sunrise / sunset | 6:26 am / 7:58 pm | 6:06 am / 8:20 pm |
| Daylight | 13.5 h | 14.2 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 May day
- 6 am62°Fdew point 59°F
- 9 am72°Fdew point 60°F
- Noon79°Fdew point 59°F
- 3 pm81°Fdew point 58°F
- 6 pm78°Fdew point 58°F
- 9 pm70°Fdew point 60°F
NOAA hourly normals (local standard time) from Florence Rgnl Airport (59 mi away); average wind 7 mph; clear or few clouds in 60% of daytime hours, mostly cloudy or overcast in 30%.
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 mph10 of 31
- Hot dayshigh 90°F or more2 of 31
- Muggy daysdaily mean dew point 65°F or more15 of 31
- Wet daysat least 0.01 in of rain or melted snow8 of 31
- Notable rainat least 0.10 in6 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 3.8 in; a dry May brings about 2.6 in and a wet one about 4.5 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How May varies from year to year
- Warmest May, 1991-20202019: average high 82°F
- Coolest May1992: average high 75°F
- Wettest May2018: 8.9 in
- Driest May1993: 0.8 in
- Highest reading98°F (May 31, 2019)
- Lowest reading41°F (May 22, 1993)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 72°F | 79°F | 85°F |
| Normal low | 51°F | 60°F | 68°F |
| Wet days | 7 | 8 | 10 |
| Comfortable days | – | – | 1 |
| Daylight | 13.0 h | 13.9 h | 14.3 h |
Highs change by +7°F from April and +6°F into June.
Nearby alternatives in May
- Warmer: Columbia, SC125 mi · high 87°F · 9 wet days
How Myrtle Beach ranks in May
- Normal high154th warmest of 378 cities; 5th of 5 in South Carolina
- Wet days135th driest of 378
Heating and cooling
May has 26 heating degree days and 157 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Myrtle Beach in May?
The normal high is 79°F and the normal low is 60°F. From 1991 to 2020 the hottest May reading was 98°F (most recently on May 31, 2019).
Does it rain a lot in Myrtle Beach in May?
About 8 days in May have at least 0.01 in of precipitation, and the normal total is 3.8 in. The wettest May in 1991-2020 was in 2018 (9.0 in); the driest was in 1993 (0.8 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).