December weather forecast
Berkeley Lake, GA

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Weather in December

The first month of the winter, December, is also a fresh month in Berkeley Lake, Georgia, with an average temperature fluctuating between 53.6°F (12°C) and 39°F (3.9°C).

Temperature

A moderate decline in average high-temperatures is noted in December, moving from a refreshing 61°F (16.1°C) in November to a fresh 53.6°F (12°C). The average low-temperature of 39°F (3.9°C) is witnessed during December.

Humidity

With an average relative humidity of 77%, December is the most humid month.

Rainfall

In Berkeley Lake, in December, it is raining for 13.5 days, with typically 3.98" (101mm) of accumulated precipitation. In Berkeley Lake, during the entire year, the rain falls for 181.5 days and collects up to 44.57" (1132mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In December, it is snowing for 0.6 days. Throughout December, 0.24" (6mm) of snow is accumulated. Throughout the year, there are 3.9 snowfall days, and 2.4" (61mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 7:24 am and sunset at 5:27 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:38 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 5h of sunshine.

UV index

The months with the lowest UV index in Berkeley Lake are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 2 in December translates into these instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

What are December temperatures?

An average high-temperature, in December, in Berkeley Lake, is 53.6°F (12°C) and the average low-temperature is 39°F (3.9°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 89.6°F (32°C).

What is the most humid month?

The most humid month in Berkeley Lake is December, with an average relative humidity of 77%.

What is the average humidity in December?

The average relative humidity in December is 77%.

How much does it rain in December?

In Berkeley Lake, in December, during 13.5 rainfall days, 3.98" (101mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Berkeley Lake, in December, snow falls for 0.6 days, with typically accumulated 0.24" (6mm) of snow.

What is the month with the shortest days?

With an average of 9h and 54min of daylight, December has the shortest days of the year in Berkeley Lake.

How many hours of daylight does Berkeley Lake have in December?

The average day length in December is 9h and 56min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:24 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:38 pm EST.

What is the month with the least sunshine?

With an average of 5h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Berkeley Lake have in December?

In December, the average sunshine duration is 5h.

What are the months with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 2.

What is the UV index intensity in December?

In Berkeley Lake, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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
Berkeley Lake, GA

Average temperature in December - Berkeley Lake, GA
  • Average high temperature in December: 53.6°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (49.5°F).

  • Average low temperature in December: 39°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (34°F).

Average pressure in December
Berkeley Lake, GA

Average pressure in December - Berkeley Lake, GA
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in December
Berkeley Lake, GA

Average wind speed in December - Berkeley Lake, GA
  • Average wind speed in December: 7.4mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in December
Berkeley Lake, GA

Average humidity in December - Berkeley Lake, GA
  • Average humidity in December: 77%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (68%).

Average rainfall in December
Berkeley Lake, GA

Average rainfall in December - Berkeley Lake, GA
  • Average rainfall in December: 3.98"

The wettest month (with the highest rainfall) is August (5.43").
The driest month (with the least rainfall) is October (2.32").

Average rainfall days in December
Berkeley Lake, GA

Average rainfall days in December - Berkeley Lake, GA
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (10.4 days).

Average snowfall in December
Berkeley Lake, GA

Average snowfall in December - Berkeley Lake, GA
  • Average snowfall in December: 0.24"

The months with the highest snowfall are January and February (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Berkeley Lake, GA

Average snowfall days in December - Berkeley Lake, GA
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Berkeley Lake, GA

Average daylight in December / Average sunshine in December - Berkeley Lake, GA
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 5h and 0min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Berkeley Lake, GA

Average sunshine days in December - Berkeley Lake, GA
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (8.3 days).

Average UV index in December
Berkeley Lake, GA

Average UV index in December - Berkeley Lake, GA
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
Berkeley Lake, GA

Average cloud cover in December - Berkeley Lake, GA
  • Average cloud cover in December: 47

The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in December
Berkeley Lake, GA

Average visibility in December - Berkeley Lake, 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).

Berkeley Lake, Georgia, USA

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