Myrtle Beach (SC) monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Myrtle Beach

Myrtle Beach average temperature chart (Celsius) Myrtle Beach average temperature chart (Fahrenheit)
Average monthly temperatures in Myrtle Beach (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 13.1 14.9 19.3 23.6 27.5 30.3 32 31.4 28.9 24.4 20.2 15.1
°F 55.6 58.8 66.7 74.5 81.4 86.5 89.7 88.5 84.1 76 68.4 59.3

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Myrtle Beach monthly rainfall chart (mm) Myrtle Beach monthly rainfall chart (inches)
Average monthly rainfall in Myrtle Beach (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 102 95 110 73 101 139 171 145 139 82 70 81
inches 4 3.7 4.3 2.9 4 5.5 6.7 5.7 5.5 3.2 2.8 3.2
Rainy days 10 9 10 8 9 11 12 12 9 7 7 9

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Myrtle Beach

Myrtle Beach average daily sunshine chart
Average daily sunshine Myrtle Beach
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.4 7.1 8.3 9.7 9.9 9.9 9.8 8.8 8.1 7.9 7 6.3

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Myrtle Beach average minimum / maximum temperatures (Celsius) Myrtle Beach average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Myrtle Beach (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.8 2 6.2 10.5 15.3 19.5 21.5 21.4 18.2 11.7 6.7 2.6
Max °C 13.4 15.2 19.6 24 27.8 30.6 32.3 31.7 29.2 24.8 20.6 15.5
Min °F 33.4 35.6 43.2 50.8 59.5 67 70.7 70.4 64.8 53 44 36.6
Max °F 44.8 47.5 55.2 63 70.7 77 80.4 79.7 74.7 64.8 56.5 48.2

Sea temperature

The graph below shows the average sea temperature.

Myrtle Beach average sea temperature chart (Celsius) Myrtle Beach average sea temperature chart (Fahrenheit)
Average sea temperature around Myrtle Beach in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 21 20.4 20.7 21.5 23.7 26.6 28.2 28.4 27.5 25.4 23.2 22.1
°F 69.8 68.8 69.2 70.7 74.7 79.9 82.8 83.1 81.6 77.6 73.7 71.7

Wind speed

The graph below shows the average wind speed.

Myrtle Beach average winspeed by month (km/h) Myrtle Beach average winspeed by month (mph)
Average wind speed in Myrtle Beach (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 17 17 16 14 14 13 12 13 14 14 15
mph 10 10 10 10 9 9 8 8 8 9 9 9

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Myrtle Beach relative humidity averages
Average relative humidity in Myrtle Beach
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
70% 67% 68% 66% 73% 75% 77% 79% 79% 75% 73% 71%
Myrtle Beach

Other monthly averages

UV index Best time to go?

Myrtle Beach weather stats

Myrtle Beach weather statistics
Hottest month: July 32°C 89.6°F
Driest month: November 70mm 2.8ins
Sunniest month: April 9.7hrs
Coldest month: January 13.1°C 55.6°F
Wettest month: July 171mm 6.7ins
Warmest sea: August 28.4°C 83.1°F
Map showing location of Myrtle Beach (33.68906, -78.88669)

Locations nearby

Top United States locations

Change units