December weather forecast and climate
Dauphin Island, AL

The scenic Dauphin Island in Alabama
The scenic Dauphin Island in Alabama

Weather in December

December, the first month of the winter, in Dauphin Island, is also an enjoyable month, with average temperature ranging between max 62.6°F (17°C) and min 51.4°F (10.8°C).

Temperature

In December, the average high-temperature marginally drops, from a pleasant 68.2°F (20.1°C) in November, to a comfortable 62.6°F (17°C). The average low-temperature, in December, is 51.4°F (10.8°C).

Humidity

The most humid month in Dauphin Island, Alabama, is December, with an average relative humidity of 78%.

Rainfall

In December, in Dauphin Island, Alabama, the rain falls for 13.1 days. Throughout December, 3.82" (97mm) of precipitation is accumulated. Throughout the year, in Dauphin Island, there are 183.1 rainfall days, and 45.94" (1167mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall in Dauphin Island.

Ocean temperature

In Dauphin Island, the average water temperature is 62.6°F (17°C).
Note: For most, swimming in 62.6°F (17°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

The month with the shortest days is December, with an average of 10.2h of daylight.

Sunshine

Months with the least sunshine are February and December, with an average of 5.5h of sunshine.

UV index

January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 4 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in December in Dauphin Island?

The average high-temperature, in December, in Dauphin Island, Alabama, is 62.6°F (17°C), while the average low-temperature is 51.4°F (10.8°C).

What is the most humid month in Dauphin Island?

December is the most humid month in Dauphin Island, with an average relative humidity of 78%.

What is the average humidity in December in Dauphin Island?

The average relative humidity in December is 78%.

How many days does it rain in December in Dauphin Island?

In Dauphin Island, during December, the rain falls for 13.1 days and regularly aggregates up to 3.82" (97mm) of precipitation.

Does it snow in Dauphin Island in December?

In Dauphin Island, in December, it doesn't snow. In January, it regularly snows.

When it does not snow in Dauphin Island?

In Dauphin Island snow does not fall in February through December.

What is the ocean temperature in December in Dauphin Island?

In December, the average ocean temperature in Dauphin Island is 62.6°F (17°C). For swimming, a surface water temperature of 62.6°F (17°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the month with the shortest days in Dauphin Island?

With an average of 10.2h of daylight, December has the shortest days of the year.

What is the average length of the day in December in Dauphin Island?

In December, the average length of the day is 10.2h.

What is the month with the least sunshine in Dauphin Island?

February and December, with an average of 5.5h of sunshine, are months with the least sunshine in Dauphin Island, Alabama.

How long on average sun shines in December in Dauphin Island?

In Dauphin Island, Alabama, the average sunshine in December is 5.5h.

What is the month with the lowest UV index in Dauphin Island?

Months with the lowest UV index are January and December, with an average maximum UV index of 4.

How high is the UV index in December in Dauphin Island?

In Dauphin Island, Alabama, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in December
Dauphin Island, AL

Average temperature in December - Dauphin Island, AL
  • Average high temperature in December: 62.6°F

The warmest month (with the highest average high temperature) is August (88.7°F).
The month with the lowest average high temperature is January (59°F).

  • Average low temperature in December: 51.4°F

The month with the highest average low temperature is August (78.8°F).
The coldest month (with the lowest average low temperature) is January (47.3°F).

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Average pressure in December
Dauphin Island, AL

Average pressure in December - Dauphin Island, AL
  • Average pressure in December: 30.13"

The month with the highest atmospheric pressure is January (30.16").
Months with the lowest atmospheric pressure are June and August (29.97").

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Average wind speed in December
Dauphin Island, AL

Average wind speed in December - Dauphin Island, AL
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

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Average humidity in December
Dauphin Island, AL

Average humidity in December - Dauphin Island, AL
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Dauphin Island, AL

Average rainfall in December - Dauphin Island, AL
  • Average rainfall in December: 3.82"

The wettest month (with the highest rainfall) is August (6.89").
The driest month (with the least rainfall) is November (2.28").

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Average rainfall days in December
Dauphin Island, AL

Average rainfall days in December - Dauphin Island, AL
  • Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is July (25.3 days).
The month with the least rainy days is November (8.4 days).

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Average snowfall in December
Dauphin Island, AL

Average snowfall in December - Dauphin Island, AL
  • Average snowfall in December: 0"

The month with the highest snowfall is January (0.12").
Months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Dauphin Island, AL

Average snowfall days in December - Dauphin Island, AL
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.1 days).
Months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature in December
Dauphin Island, AL

Average sea temperature in December - Dauphin Island, AL
  • Average sea temperature in December: 62.5°F

The best month for swimming (with the highest average sea temperature) is August (86.6°F).
The coldest month (with the lowest average sea temperature) is January (58.7°F).

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Average daylight in December /
Average sunshine in December
Dauphin Island, AL

Average daylight in December / Average sunshine in December - Dauphin Island, AL
  • Average daylight in December: 10.2h

The month with the longest days is June (Average daylight: 14.1h).
The month with the shortest days is December (Average daylight: 10.2h).

  • Average sunshine in December: 5.5h

The month with the most sunshine is June (Average sunshine: 11.2h).
Months with the least sunshine are February and December (Average sunshine: 5.5).

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Average sunshine days in December
Dauphin Island, AL

Average sunshine days in December - Dauphin Island, AL
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (3.9 days).

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Average UV index in December
Dauphin Island, AL

Average UV index in December - Dauphin Island, AL
  • Average UV index in December: 4

Months with the highest UV index are May, June, July and August (UV index 7).
Months with the lowest UV index are January and December (UV index 4).

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Average cloud cover in December
Dauphin Island, AL

Average cloud cover in December - Dauphin Island, AL
  • Average cloud cover in December: 42

The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 22).

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Average visibility in December
Dauphin Island, AL

Average visibility in December - Dauphin Island, AL
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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