Dauphin Island (AL) monthly weather averages

Contents

Average daytime temperature

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

Dauphin Island average temperature chart (Celsius) Dauphin Island average temperature chart (Fahrenheit)
Average monthly temperatures in Dauphin Island (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.2 16.9 20.5 24.6 28.2 31.2 32 31.8 30 25.8 21 16.9
°F 59.4 62.5 68.9 76.3 82.7 88.1 89.5 89.2 86 78.5 69.7 62.4

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.

Dauphin Island monthly rainfall chart (mm) Dauphin Island monthly rainfall chart (inches)
Average monthly rainfall in Dauphin Island (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 121 135 143 119 118 146 173 162 157 86 94 127
inches 4.8 5.3 5.6 4.7 4.7 5.7 6.8 6.4 6.2 3.4 3.7 5
Rainy days 10 9 9 6 8 11 15 14 10 5 8 10

Average annual rainfall in Dauphin Island: 1522.9003267mm (599.6 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Dauphin Island

Dauphin Island average daily sunshine chart
Average daily sunshine Dauphin Island
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.4 6.4 7.3 8.8 9.2 9.1 8.3 8.2 7.7 8.3 6.6 5.5

Day / night temperatures

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

Dauphin Island average minimum / maximum temperatures (Celsius) Dauphin Island average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Dauphin Island (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 4.8 6.3 10 14 17.8 21.3 22.6 22.4 20.3 14.2 9.8 6.4
Max °C 15.5 17.2 20.8 24.9 28.4 31.4 32.2 32 30.2 26.1 21.2 17.2
Min °F 40.6 43.3 50.1 57.2 64.1 70.3 72.6 72.2 68.6 57.6 49.7 43.5
Max °F 50.2 53.1 59.7 67 73.6 79.5 81.3 80.9 77.5 68.3 60 53.2

Sea temperature

The graph below shows the average sea temperature.

Dauphin Island average sea temperature chart (Celsius) Dauphin Island average sea temperature chart (Fahrenheit)
Average sea temperature around Dauphin Island 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.

Dauphin Island average winspeed by month (km/h) Dauphin Island average winspeed by month (mph)
Average wind speed in Dauphin Island (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 16 17 16 14 12 11 10 12 13 14 16
mph 10 10 10 10 9 7 7 7 8 8 9 10

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.

Dauphin Island relative humidity averages
Average relative humidity in Dauphin Island
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 71% 72% 71% 72% 74% 77% 78% 76% 72% 74% 75%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Dauphin Island weather stats

Dauphin Island weather statistics
Hottest month: July 32°C 89.6°F
Driest month: October 86mm 3.4ins
Sunniest month: October 8.3hrs
Coldest month: January 15.2°C 59.4°F
Wettest month: July 173mm 6.8ins
Warmest sea: August 29.6°C 85.3°F
Map showing location of Dauphin Island (30.25548, -88.10972) Dauphin Island map pin © Google

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