December weather forecast and climate
Forest Mill, GA

December, the first month of the winter, in Forest Mill, is still a cool month, with average temperature fluctuating between 40.3°F (4.6°C) and 55°F (12.8°C).

Temperature

In December, the average high-temperature marginally drops, from an enjoyable 62.2°F (16.8°C) in November, to a fresh 55°F (12.8°C). In December, the average low-temperature is 40.3°F (4.6°C).

Humidity

The most humid month is December, with an average relative humidity of 77%.

Rainfall

In December, in Forest Mill, the rain falls for 8.8 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. Throughout the year, in Forest Mill, there are 132.6 rainfall days, and 14.41" (366mm) of precipitation is accumulated.

Snowfall

In Forest Mill snow does not fall in March through December.

Daylight

With an average of 10h of daylight, December has the shortest days of the year in Forest Mill, Georgia.

Sunshine

The month with the least sunshine is December, with an average of 5.1h 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 of 2, and less, symbolizes a minimal health hazard from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.

What is the temperature in December in Forest Mill?

The average high-temperature, in December, is 55°F (12.8°C), while the average low-temperature is 40.3°F (4.6°C).

What is the most humid month in Forest Mill?

With an average relative humidity of 77%, December is the most humid month.

What is the average humidity in December in Forest Mill?

In Forest Mill, the average relative humidity in December is 77%.

How much does it rain in Forest Mill in December?

In Forest Mill, in December, it is raining for 8.8 days, with typically 1.18" (30mm) of accumulated precipitation.

Does it snow in Forest Mill in December?

In Forest Mill, Georgia, in December, it doesn't snow. In January, it regularly snows.

When it does not snow in Forest Mill?

In Forest Mill, Georgia, snow does not fall in March through December.

What is the month with the shortest days in Forest Mill?

The month with the shortest days is December, with an average of 10h of daylight.

What is the average length of the day in December in Forest Mill?

In December, the average length of the day in Forest Mill, Georgia, is 10h.

What is the month with the least sunshine in Forest Mill?

The month with the least sunshine in Forest Mill is December, with an average of 5.1h of sunshine.

How long on average sun shines in December in Forest Mill?

In December, the average sunshine is 5.1h.

What is the month with the lowest UV index in Forest Mill?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Forest Mill.

What is the UV index reading in December in Forest Mill?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.
Average temperature in December - Forest Mill, GA
  • Average high temperature in December: 55°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (51.6°F).

  • Average low temperature in December: 40.3°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).

Average pressure in December - Forest Mill, GA
  • Average pressure in December: 30.14"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.99").

Average wind speed in December - Forest Mill, GA
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in December - Forest Mill, GA
  • Average humidity in December: 77%

The month with the highest relative humidity is December (77%).
Months with the lowest relative humidity are October and November (72%).

Average rainfall in December - Forest Mill, GA
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is October (0.75").

Average rainfall days in December - Forest Mill, GA
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is November (6 days).

Average snowfall in December - Forest Mill, GA
  • Average snowfall in December: 0"

The month with the highest snowfall is January (0.08").
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December - Forest Mill, GA
  • Average snowfall days in December: 0 days

Months with the highest number of snowfall days are January and February (0.4 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).

Average daylight in December / Average sunshine in December - Forest Mill, GA
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 5.1h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is December (Average sunshine: 5.1h).

Average sunshine days in December - Forest Mill, GA
  • Average sunshine days in December: 19.4 days

The month with the most sunshine days is October (22.5 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in December - Forest Mill, GA
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December - Forest Mill, GA
  • Average cloud cover in December: 45

The month with the most cloud cover is December (Cloud cover 45).
Months with the least cloud cover are June and October (Cloud cover 31).

Average visibility in December - Forest Mill, GA
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).