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
December marks a gentle change in average high-temperature, declining from November's moderate 59.4°F (15.2°C) to a fresh 52.5°F (11.4°C). The temperature in Marlette Heights dips to an average of 38.3°F (3.5°C) during December nights.Humidity
With an average relative humidity of 78%, December is the most humid month in Marlette Heights.Rainfall
The month with the most rainfall in Marlette Heights, Georgia, is December, when the rain falls for 13.6 days and typically aggregates up to 4.25" (108mm) of precipitation.Snowfall
Months with snowfall in Marlette Heights are January through March, November and December. December is the month with the most snowfall in Marlette Heights. Snow falls for 0.6 days and accumulates 1.54" (39mm) of snow.Daylight
December has the shortest days of the year in Marlette Heights, with an average of 9h and 54min of daylight.On the first day of December in Marlette Heights, sunrise is at 7:23 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:36 pm EST.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year.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 minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Marlette Heights?
What is the most humid month in Marlette Heights?
What is the average humidity in December in Marlette Heights?
What is the rainiest month in Marlette Heights?
How many days does it rain in December in Marlette Heights?
What is the snowiest month in Marlette Heights?
How many days does it snow in December in Marlette Heights?
What is the month with the shortest days in Marlette Heights?
How many hours of daylight does Marlette Heights have in December?
When is the sunrise / sunset in December in Marlette Heights?
What is the month with the least sunshine in Marlette Heights?
How long on average sun shines in December in Marlette Heights?
What are the months with the lowest UV index in Marlette Heights?
What is the UV index reading in December in Marlette Heights?
Average temperature in December
Marlette Heights, GA
- Average high temperature in December: 52.5°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Marlette Heights, GA
- Average pressure in December: 30.14"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
Marlette Heights, GA
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Marlette Heights, 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, October and November (73%).
Average rainfall in December
Marlette Heights, GA
- Average rainfall in December: 4.25"
The wettest month (with the highest rainfall) is December (4.25").
The driest month (with the least rainfall) is October (2.36").
Average rainfall days in December
Marlette Heights, GA
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is October (10.1 days).
Average snowfall in December
Marlette Heights, GA
- Average snowfall in December: 1.54"
The month with the highest snowfall is December (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Marlette Heights, GA
- Average snowfall days in December: 0.6 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
Marlette Heights, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Marlette Heights, GA
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Marlette Heights, 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
Marlette Heights, GA
- Average cloud cover in December: 44
The months with the most cloud cover are February and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Marlette Heights, GA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
Marlette Heights, Georgia, USA
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