Green Hills
Georgia, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Green Hills, GA

December, the first month of the winter, in Green Hills, is still a cool month, with temperature in the range of an average high of 52.5°F (11.4°C) and an average low of 38.3°F (3.5°C).

Temperature

In Green Hills, the average high-temperature slightly decreases, from a mild 59.4°F (15.2°C) in November, to a fresh 52.5°F (11.4°C). The average low-temperature, in December, is 38.3°F (3.5°C).

Humidity

The most humid month is December, with an average relative humidity of 78%.

Rainfall

The month with the most rainfall is December when the rain falls for 13.6 days and typically aggregates up to 4.25" (108mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Green Hills. The month with the most snowfall in Green Hills is December when snow falls for 0.6 days and typically aggregates up to 1.54" (39mm) of snow.

Daylight

With an average of 9.9h of daylight, December has the shortest days of the year in Green Hills.

Sunshine

The month with the least sunshine in Green Hills is December, with an average of 5.2h 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 unsafe exposure to the UV radiation for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Green Hills?

The average high-temperature, in December, is 52.5°F (11.4°C), while the average low-temperature is 38.3°F (3.5°C).

What is the most humid month in Green Hills?

The most humid month in Green Hills, Georgia, is December, with an average relative humidity of 78%.

What is the average humidity in December in Green Hills?

In Green Hills, the average relative humidity in December is 78%.

How much does it rain in Green Hills in December?

In Green Hills, Georgia, in December, during 13.6 rainfall days, 4.25" (108mm) of precipitation is typically accumulated.

What is the wettest month in Green Hills?

December is the month with the most rainfall in Green Hills, Georgia. Rain falls for 13.6 days and accumulates 4.25" (108mm) of precipitation.

How much does it snow in Green Hills in December?

In Green Hills, during December, snow falls for 0.6 days and regularly aggregates up to 1.54" (39mm) of snow.

When does it snow the most in Green Hills?

The month with the most snowfall in Green Hills is December when snow falls for 0.6 days and typically aggregates up to 1.54" (39mm) of snow.

What is the month with the shortest days in Green Hills?

With an average of 9.9h of daylight, December has the shortest days of the year.

What is the average length of the day in December in Green Hills?

In December, the average length of the day in Green Hills is 9.9h.

What is the month with the least sunshine in Green Hills?

The month with the least sunshine in Green Hills, Georgia, is December, with an average of 5.2h of sunshine.

How many hours of sunshine does Green Hills have in December?

In December, the average sunshine is 5.2h.

When is the lowest UV index in Green Hills?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Green Hills, Georgia.

What is the UV index intensity in December in Green Hills?

In Green Hills, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Green Hills, 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 humidity in December - Green Hills, GA
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
Months with the lowest relative humidity are July, August, October and November (73%).

Average rainfall in December - Green Hills, 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 - Green Hills, 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 - Green Hills, GA
  • Average snowfall in December: 1.54"

The month with the highest snowfall is December (1.54").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December - Green Hills, GA
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (1.7 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Green Hills, GA
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 5.2h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 5.2h).

Average UV index in December - Green Hills, GA
  • Average UV index in December: 2

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 2).