December weather forecastHeatherbrook, GA
December
Weather in December
The first month of the winter, December, is still a refreshing month in Heatherbrook, Georgia, with an average temperature fluctuating between 41.4°F (5.2°C) and 56.5°F (13.6°C).Temperature
Heatherbrook records a mild change in average high-temperature during December, easing from a comfortable 63.3°F (17.4°C) in November to a still refreshing 56.5°F (13.6°C). During December, the nighttime temperature in Heatherbrook averages to a wintry 41.4°F (5.2°C).Humidity
With an average relative humidity of 78%, December is the most humid month in Heatherbrook.Rainfall
In Heatherbrook, during December, the rain falls for 11.1 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, in Heatherbrook, Georgia, there are 152.9 rainfall days, and 22.2" (564mm) of precipitation is accumulated.Snowfall
In Heatherbrook, snow does not fall in March through December.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:26 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:44 pm EST.
Sunshine
With an average of 5h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the UV index of 3 transforms into the following advice:
Act with care - The need to guard against sun damage is communicated. The Sun's radiation is especially intense around midday; try to stay in shade during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. 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
Average temperature in December
Heatherbrook, GA
- Average high temperature in December: 56.5°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 (53.2°F).
- Average low temperature in December: 41.4°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in December
Heatherbrook, 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 (29.98"Hg).
Average wind speed in December
Heatherbrook, GA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Heatherbrook, GA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Heatherbrook, GA
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is October (1.3").
Average rainfall days in December
Heatherbrook, GA
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Heatherbrook, GA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Heatherbrook, GA
- Average snowfall days in December: 0.3 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
Heatherbrook, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Heatherbrook, GA
- Average sunshine days in December: 18 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in December
Heatherbrook, GA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Heatherbrook, GA
- Average cloud cover in December: 46
The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are September and October (Cloud cover 31).
Average visibility in December
Heatherbrook, 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).
