Biloxi (MS) monthly weather averages

Average daytime temperature

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

Biloxi average temperature chart (Celsius) Biloxi average temperature chart (Fahrenheit)
Average monthly temperatures in Biloxi (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.5 16.4 20 24.4 28.2 31.1 32.2 32 30.3 26.1 21 16.8
°F 58.2 61.6 68 75.9 82.8 88 89.9 89.6 86.6 79 69.9 62.2

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.

Biloxi monthly rainfall chart (mm) Biloxi monthly rainfall chart (inches)
Average monthly rainfall in Biloxi (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 129 137 145 115 122 141 160 185 166 85 95 121
inches 5.1 5.4 5.7 4.5 4.8 5.6 6.3 7.3 6.5 3.3 3.7 4.8
Rainy days 11 9 9 7 8 11 14 14 10 5 8 10

Average annual rainfall in Biloxi: 1542.6mm (607.3 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Biloxi

Biloxi average daily sunshine chart
Average daily sunshine Biloxi
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.6 6.5 7.5 8.9 9.3 9.1 8.4 8.3 7.8 8.2 6.6 5.7

Day / night temperatures

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

Biloxi average minimum / maximum temperatures (Celsius) Biloxi average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Biloxi (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 4.2 6.1 9.8 14.6 18.6 21.9 23 22.8 20.9 14.4 9.9 6.4
Max °C 14.8 16.7 20.3 24.7 28.5 31.4 32.4 32.3 30.6 26.4 21.3 17.1
Min °F 39.6 43 49.6 58.2 65.4 71.3 73.4 73 69.5 57.9 49.8 43.4
Max °F 49.1 52.5 59 67.3 74.3 79.9 81.9 81.5 78.3 68.7 60.1 53.1

Sea temperature

The graph below shows the average sea temperature.

Biloxi average sea temperature chart (Celsius) Biloxi average sea temperature chart (Fahrenheit)
Average sea temperature around Biloxi in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 17.8 17.2 18.3 20.8 24.6 28 29.4 29.6 28.3 25.1 21.9 19.5
°F 64 63 64.9 69.5 76.2 82.5 85 85.2 83 77.2 71.3 67.1

Wind speed

The graph below shows the average wind speed.

Biloxi average winspeed by month (km/h) Biloxi average winspeed by month (mph)
Average wind speed in Biloxi (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 16 17 16 14 12 10 10 12 12 14 15
mph 10 10 10 10 9 7 7 6 7 8 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.

Biloxi relative humidity averages
Average relative humidity in Biloxi
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 71% 72% 71% 73% 74% 77% 78% 77% 73% 75% 75%