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 transition into December involves a small decrease in the average high-temperature, dipping slightly from a mild 60.1°F (15.6°C) in November to a fresh 52.9°F (11.6°C). December nights observe an average temperature dip to an icy 38.5°F (3.6°C).Humidity
December is the most humid month, with an average relative humidity of 78%.Rainfall
In December, the rain falls for 13.5 days. Throughout December, 4.17" (106mm) of precipitation is accumulated. In Northwest Harbor, during the entire year, the rain falls for 180.4 days and collects up to 43.11" (1095mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Northwest Harbor, in December, during 0.7 snowfall days, 0.28" (7mm) of snow is typically accumulated. In Northwest Harbor, during the entire year, snow falls for 4.4 days and aggregates up to 2.52" (64mm) of snow.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 5:26 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:37 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. When the Sun is at its strongest around midday, find shade and limit exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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 Northwest Harbor?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December in Northwest Harbor?
What is the month with the shortest days?
How many hours of daylight does Northwest Harbor have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Northwest Harbor, GA
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in December: 38.5°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).
Average pressure in December
Northwest Harbor, 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
Northwest Harbor, GA
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Northwest Harbor, GA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are July, August and September (71%).
Average rainfall in December
Northwest Harbor, GA
- Average rainfall in December: 4.17"
The wettest month (with the highest rainfall) is August (4.49").
The driest month (with the least rainfall) is October (2.28").
Average rainfall days in December
Northwest Harbor, GA
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is October (10 days).
Average snowfall in December
Northwest Harbor, GA
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Northwest Harbor, GA
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (1.7 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
Northwest Harbor, 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 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Northwest Harbor, GA
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in December
Northwest Harbor, 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
Northwest Harbor, GA
- Average cloud cover in December: 46
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Northwest Harbor, 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).
Northwest Harbor, Georgia, USA
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