Mount Pleasant (SC) monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Mount Pleasant

Mount Pleasant average temperature chart (Celsius) Mount Pleasant average temperature chart (Fahrenheit)
Average monthly temperatures in Mount Pleasant (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 13.3 15 18.7 22.8 26.6 29.5 31.2 30.6 28.3 23.9 19.6 15.4
°F 56 59 65.6 73.1 79.8 85.1 88.1 87.1 82.9 75 67.3 59.7

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.

Mount Pleasant monthly rainfall chart (mm) Mount Pleasant monthly rainfall chart (inches)
Average monthly rainfall in Mount Pleasant (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 86 81 109 64 95 153 162 185 121 73 60 76
inches 3.4 3.2 4.3 2.5 3.7 6 6.4 7.3 4.8 2.9 2.4 3
Rainy days 10 9 9 7 9 11 13 13 10 6 7 8

Average annual rainfall in Mount Pleasant: 1216.833mm (479.1 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Mount Pleasant

Mount Pleasant average daily sunshine chart
Average daily sunshine Mount Pleasant
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.4 7.2 8.4 9.8 10.1 9.9 9.8 8.8 7.8 7.8 6.9 6.1

Day / night temperatures

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

Mount Pleasant average minimum / maximum temperatures (Celsius) Mount Pleasant average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Mount Pleasant (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 4.7 6 9.9 14 18.7 22.1 23.9 23.6 21.4 15.5 10.8 6.6
Max °C 13.6 15.2 18.9 23.1 26.8 29.7 31.4 30.8 28.5 24.1 19.9 15.6
Min °F 40.4 42.8 49.8 57.1 65.6 71.8 74.9 74.5 70.4 59.9 51.4 43.9
Max °F 48.4 51.1 57.9 65.3 72.9 78.6 81.7 81 76.8 67.6 59.5 52

Sea temperature

The graph below shows the average sea temperature.

Mount Pleasant average sea temperature chart (Celsius) Mount Pleasant average sea temperature chart (Fahrenheit)
Average sea temperature around Mount Pleasant in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 20.8 20.3 20.1 20.8 23.4 26.4 28.1 28.4 27.7 25.4 23 21.8
°F 69.4 68.5 68.2 69.5 74.1 79.5 82.6 83.2 81.9 77.8 73.5 71.2

Wind speed

The graph below shows the average wind speed.

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

Mount Pleasant relative humidity averages
Average relative humidity in Mount Pleasant
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
70% 67% 68% 68% 73% 75% 77% 79% 78% 74% 73% 72%