Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Berkeley Lake have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Berkeley Lake have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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