Climateby Month

Myrtle Beach, SC weather in October

NOAA 1991-2020 normals and daily records · Myrtle Beach all year

October in Myrtle Beach: mild, with some rain. Highs 76°F, lows 54°F, rain on about 7 days.

Normal high
76°F
Normal low
54°F
Wet days
7
5.1 in total
Muggy days
9
dew point 65°F+

How October changes from start to finish

Normal values at the start and end of October
October 1October 31
Normal high80°F71°F
Normal low60°F47°F
Chance of a wet day26%22%
Sunrise / sunset7:10 am / 7:00 pm7:33 am / 6:24 pm
Daylight11.8 h10.8 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 October day

  1. 6 am57°Fdew point 53°F
  2. 9 am64°Fdew point 55°F
  3. Noon72°Fdew point 55°F
  4. 3 pm75°Fdew point 54°F
  5. 6 pm68°Fdew point 56°F
  6. 9 pm62°Fdew point 56°F

NOAA hourly normals (local standard time) from Florence Rgnl Airport (59 mi away); average wind 6 mph; clear or few clouds in 63% of daytime hours, mostly cloudy or overcast in 31%.

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 mph7 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more9 of 31
  • Wet daysat least 0.01 in of rain or melted snow7 of 31
  • Notable rainat least 0.10 in5 of 31
  • Freezing nightslow 32°F or below0 of 31

Average days per October, counted from daily records for each year 1991-2020.

Rain in October

Normal precipitation is 5.1 in; a dry October brings about 2.4 in and a wet one about 6.0 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.

How October varies from year to year

  • Warmest October, 1991-20202018: average high 79°F
  • Coolest October1992: average high 73°F
  • Wettest October2015: 16.8 in
  • Driest October2000: no measurable precipitation
  • Highest reading90°F (October 8, 2019)
  • Lowest reading21°F (October 24, 2006)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

October compared with September and November

SeptemberOctoberNovember
Normal high83°F76°F66°F
Normal low65°F54°F42°F
Wet days977
Comfortable days3––
Daylight12.4 h11.3 h10.4 h

Highs change by -7°F from September and -10°F into November.

Nearby alternatives in October

How Myrtle Beach ranks in October

  • Normal high147th warmest of 378 cities; 4th of 5 in South Carolina
  • Wet days139th driest of 378

Heating and cooling

October has 88 heating degree days and 78 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.

Questions

How hot is Myrtle Beach in October?

The normal high is 76°F and the normal low is 54°F. From 1991 to 2020 the hottest October reading was 90°F (most recently on October 8, 2019).

Does it rain a lot in Myrtle Beach in October?

About 7 days in October have at least 0.01 in of precipitation, and the normal total is 5.1 in. The wettest October in 1991-2020 was in 2015 (16.8 in); the driest was in 2000, with no measurable precipitation.

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).