December weather forecast
Georgetown, LA

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Weather in December

December, the first month of the winter in Georgetown, is also a moderate month, with an average temperature varying between 42.8°F (6°C) and 57.6°F (14.2°C).

Temperature

The transition to December results in a modest reduction in average high-temperature, moving from a refreshing 65.1°F (18.4°C) in November to a moderate 57.6°F (14.2°C). Throughout December nights, Georgetown experiences a consistent temperature average of 42.8°F (6°C).

Humidity

February and December, with an average relative humidity of 82%, are the most humid months.

Rainfall

In December, the rain falls for 13.4 days. Throughout December, 3.39" (86mm) of precipitation is accumulated. Throughout the year, there are 172.1 rainfall days, and 39.45" (1002mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.12" (3mm) of snow. In Georgetown, during the entire year, snow falls for 2.4 days and aggregates up to 0.91" (23mm) of snow.

Daylight

The month with the shortest days is December, with an average of 10h and 6min of daylight.
On the first day of December in Georgetown, sunrise is at 6:52 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:16 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 4.8h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 3 suggests this advice:
Ensure safety - Sun damage prevention is strongly urged. When the Sun is at its strongest around midday, find shade and limit exposure. Boost your sun resistance with garments that are densely woven yet spacious. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

What is the temperature in December?

An average high-temperature, in December, in Georgetown, is 57.6°F (14.2°C) and the average low-temperature is 42.8°F (6°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 102.2°F (39°C).

What is the most humid month?

The months with the highest humidity are February and December, with an average relative humidity of 82%.

What is the average humidity in December?

In December, the average relative humidity is 82%.

How much does it rain in December?

In Georgetown, during December, the rain falls for 13.4 days and regularly aggregates up to 3.39" (86mm) of precipitation.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.12" (3mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 10h and 6min of daylight.

What is the average length of the day in December?

In Georgetown, the average day length in December is 10h and 7min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:52 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:16 pm CST.

What is the month with the least sunshine?

With an average of 4.8h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December?

The average sunshine duration in December is 4.8h.

When is the lowest UV index in Georgetown?

The months with the lowest UV index are January and December, with an average maximum UV index of 3.

What is the UV index intensity in December?

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Georgetown, LA

Average temperature in December - Georgetown, LA
  • Average high temperature in December: 57.6°F

The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (54.9°F).

  • Average low temperature in December: 42.8°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).

Average pressure in December
Georgetown, LA

Average pressure in December - Georgetown, LA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Georgetown, LA

Average wind speed in December - Georgetown, LA
  • Average wind speed in December: 6.4mph

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).

Average humidity in December
Georgetown, LA

Average humidity in December - Georgetown, LA
  • Average humidity in December: 82%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Georgetown, LA

Average rainfall in December - Georgetown, LA
  • Average rainfall in December: 3.39"

The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is November (2.4").

Average rainfall days in December
Georgetown, LA

Average rainfall days in December - Georgetown, LA
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is November (9.9 days).

Average snowfall in December
Georgetown, LA

Average snowfall in December - Georgetown, LA
  • Average snowfall in December: 0.12"

The months with the highest snowfall are January and February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Georgetown, LA

Average snowfall days in December - Georgetown, LA
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Georgetown, LA

Average daylight in December / Average sunshine in December - Georgetown, LA
  • Average daylight in December: 10h and 1min

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

  • Average sunshine in December: 4h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in December
Georgetown, LA

Average sunshine days in December - Georgetown, LA
  • Average sunshine days in December: 15.7 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is August (9.8 days).

Average UV index in December
Georgetown, LA

Average UV index in December - Georgetown, LA
  • Average UV index in December: 3

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

Average cloud cover in December
Georgetown, LA

Average cloud cover in December - Georgetown, LA
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in December
Georgetown, LA

Average visibility in December - Georgetown, LA
  • Average visibility in December: 5mi

The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).

Georgetown, Louisiana, USA

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