December weather forecast
Sea Island, GA

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Weather in December

December, the first month of the winter in Sea Island, is also an enjoyable month, with an average temperature ranging between max 64.4°F (18°C) and min 52.9°F (11.6°C).

Temperature

The advent of December sees the average high-temperature at a refreshing 64.4°F (18°C), subtly shifted from November's 68.9°F (20.5°C). In Sea Island, December nights cool down to an average of 52.9°F (11.6°C).

Humidity

The months with the highest humidity are August and December, with an average relative humidity of 78%.

Rainfall

In Sea Island, Georgia, in December, it is raining for 9.5 days, with typically 1.02" (26mm) of accumulated precipitation. In Sea Island, during the entire year, the rain falls for 163.3 days and collects up to 20.43" (519mm) of precipitation.

Snowfall

Months with snowfall are February and December. The months with the most snowfall days are February and December, with an average of 0.1 snowfall days.

Daylight

The month with the shortest days in Sea Island is December, with an average of 10h and 12min of daylight.
On the first day of the month, sunrise is at 7:06 am and sunset at 5:22 pm. On the last day of December, sunrise is at 7:23 am and sunset at 5:33 pm EST.

Sunshine

The month with the least sunshine in Sea Island is December, with an average of 5.8h of sunshine.

UV index

In Sea Island, Georgia, the average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 4 during December translates into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What is the temperature in December in Sea Island?

The average high-temperature, in December, in Sea Island, is 64.4°F (18°C), while the average low-temperature is 52.9°F (11.6°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 95°F (35°C).

What are the most humid months in Sea Island?

August and December, with an average relative humidity of 78%, are most humid months in Sea Island, Georgia.

What is the average humidity in December in Sea Island?

In December, the average relative humidity in Sea Island, Georgia, is 78%.

How much does it rain in Sea Island in December?

In Sea Island, Georgia, in December, it is raining for 9.5 days, with typically 1.02" (26mm) of accumulated precipitation.

When does it snow the most in Sea Island?

The months with the most snowfall days in Sea Island, Georgia, are February and December, with an average of 0.1 snowfall days.

When does it start snowing in Sea Island?

December is the first month it typically snows. Throughout December, there are 0.1 snowfall days.

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

With an average of 10h and 12min of daylight, December has the shortest days of the year.

How many hours of daylight does Sea Island have in December?

In December, the average day length is 10h and 10min.

When are sunrise and sunset in December in Sea Island?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 5:22 pm. On the last day of the month, in Sea Island, sunrise is at 7:23 am and sunset at 5:33 pm EST.

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

With an average of 5.8h of sunshine, December has the least sunshine of the year.

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

In Sea Island, Georgia, the average sunshine duration in December is 5.8h.

What is the UV index reading in December in Sea Island?

In Sea Island, Georgia, the average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Sea Island, GA

Average temperature in December - Sea Island, GA
  • Average high temperature in December: 64.4°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in December: 52.9°F

The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).

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Average pressure in December
Sea Island, GA

Average pressure in December - Sea Island, GA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

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Average wind speed in December
Sea Island, GA

Average wind speed in December - Sea Island, GA
  • Average wind speed in December: 8.6mph

The windiest months (with the highest average wind speed) are January and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

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Average humidity in December
Sea Island, GA

Average humidity in December - Sea Island, GA
  • Average humidity in December: 78%

The months with the highest relative humidity are August and December (78%).
The month with the lowest relative humidity is March (72%).

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Average rainfall in December
Sea Island, GA

Average rainfall in December - Sea Island, GA
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in December
Sea Island, GA

Average rainfall days in December - Sea Island, GA
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is August (23.3 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall days in December
Sea Island, GA

Average snowfall days in December - Sea Island, GA
  • Average snowfall days in December: 0.1 days

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

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Average daylight in December /
Average sunshine in December
Sea Island, GA

Average daylight in December / Average sunshine in December - Sea Island, GA
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in December
Sea Island, GA

Average sunshine days in December - Sea Island, GA
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is March (20.1 days).
The month with the least sunshine days is August (4.2 days).

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Average UV index in December
Sea Island, GA

Average UV index in December - Sea Island, GA
  • Average UV index in December: 4

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 3).

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Average cloud cover in December
Sea Island, GA

Average cloud cover in December - Sea Island, GA
  • Average cloud cover in December: 38

The months with the most cloud cover are February and December (Cloud cover 38).
The months with the least cloud cover are April, May, June and July (Cloud cover 27).

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Average visibility in December
Sea Island, GA

Average visibility in December - Sea Island, GA
  • Average visibility in December: 6mi

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

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Sea Island, Georgia, USA

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