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
The start of December signals a gentle decrease in the average high-temperature, transitioning from an enjoyable 63.5°F (17.5°C) in November to a still refreshing 57°F (13.9°C). During December nights, Harlem records an average temperature of 42.1°F (5.6°C).Humidity
December is the most humid month, with an average relative humidity of 76%.Rainfall
In December, in Harlem, the rain falls for 11.7 days. Throughout December, 3.5" (89mm) of precipitation is accumulated. In Harlem, during the entire year, the rain falls for 167.3 days and collects up to 33.39" (848mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 1.5 snowfall days, and 0.87" (22mm) of snow is accumulated.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:15 am and sunset at 5:21 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:32 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 3 in December leads to these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the most humid month in Harlem?
What is the average humidity in December in Harlem?
How much does it rain in December?
When does it start snowing?
What is the month with the shortest days in Harlem?
How many hours of daylight does Harlem have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Harlem have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Harlem, GA
- Average high temperature in December: 57°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (53.6°F).
- Average low temperature in December: 42.1°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (37.2°F).
Average pressure in December
Harlem, GA
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Harlem, GA
- Average wind speed in December: 7.5mph
The windiest months (with the highest average wind speed) are January, February, March and April (8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Harlem, GA
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are July and November (70%).
Average rainfall in December
Harlem, GA
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Harlem, GA
- Average rainfall days in December: 11.7 days
The months with the highest number of rainy days are July and August (19.5 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Harlem, GA
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Harlem, GA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Harlem, GA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Harlem, GA
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is August (8.5 days).
Average UV index in December
Harlem, GA
- 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, February and December (UV index 3).
Average cloud cover in December
Harlem, GA
- 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 27).
Average visibility in December
Harlem, 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).
Harlem, Georgia, USA
Weather forecast for your location
2. Allow the app to use your location