December weather forecast
Rockalo, GA

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Weather in December

December, the first month of the winter in Rockalo, is also a fresh month, with an average temperature varying between 39°F (3.9°C) and 54°F (12.2°C).

Temperature

The onset of December is marked by a minor decrease in temperature, transitioning from a comfortable 61°F (16.1°C) in November to a fresh 54°F (12.2°C). In December, Rockalo experiences an average nighttime temperature of 39°F (3.9°C).

Humidity

The most humid month is December, with an average relative humidity of 80%.

Rainfall

In Rockalo, in December, it is raining for 13.7 days, with typically 3.58" (91mm) of accumulated precipitation. Throughout the year, there are 182.8 rainfall days, and 41.5" (1054mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Rockalo, in December, during 0.6 snowfall days, 0.63" (16mm) of snow is typically accumulated. In Rockalo, during the entire year, snow falls for 3.9 days and aggregates up to 2.2" (56mm) of snow.

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 7:27 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:43 pm EST.

Sunshine

With an average of 4.8h of sunshine, December has the least sunshine of the year.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

December temperatures vary between a high-temperature of 54°F (12.2°C) and a low-temperature of 39°F (3.9°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 91.4°F (33°C).

What is the most humid month?

With an average relative humidity of 80%, December is the most humid month.

What is the average humidity in December?

The average relative humidity in December in Rockalo is 80%.

How many days does it rain in December?

In December, the rain falls for 13.7 days. Throughout December, 3.58" (91mm) of precipitation is accumulated.

How many days does it snow in December?

In Rockalo, in December, snow falls for 0.6 days, with typically accumulated 0.63" (16mm) of snow.

What is the month with the shortest days?

With an average of 10h and 0min of daylight, December has the shortest days of the year.

How many hours of daylight does Rockalo have in December?

In December, the average day length is 9h and 59min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:27 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:43 pm EST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 4.8h of sunshine.

How many hours of sunshine does Rockalo have in December?

In Rockalo, the average sunshine duration in December is 4.8h.

When is the lowest UV index?

With an average maximum UV index of 2, December is the month with the lowest UV index.

What is the UV index reading in December?

In Rockalo, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Rockalo, GA

Average temperature in December - Rockalo, GA
  • Average high temperature in December: 54°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (50.5°F).

  • Average low temperature in December: 39°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).

Average pressure in December
Rockalo, GA

Average pressure in December - Rockalo, GA
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in December
Rockalo, GA

Average wind speed in December - Rockalo, GA
  • Average wind speed in December: 7.2mph

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Rockalo, GA

Average humidity in December - Rockalo, GA
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (74%).

Average rainfall in December
Rockalo, GA

Average rainfall in December - Rockalo, GA
  • Average rainfall in December: 3.58"

The wettest month (with the highest rainfall) is August (4.92").
The driest month (with the least rainfall) is October (2.09").

Average rainfall days in December
Rockalo, GA

Average rainfall days in December - Rockalo, GA
  • Average rainfall days in December: 13.7 days

The month with the highest number of rainy days is July (23.2 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in December
Rockalo, GA

Average snowfall in December - Rockalo, GA
  • Average snowfall in December: 0.63"

The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Rockalo, GA

Average snowfall days in December - Rockalo, GA
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is January (1.3 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
Rockalo, GA

Average daylight in December / Average sunshine in December - Rockalo, 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: 4h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in December
Rockalo, GA

Average sunshine days in December - Rockalo, GA
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (6.3 days).

Average UV index in December
Rockalo, GA

Average UV index in December - Rockalo, GA
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Rockalo, GA

Average cloud cover in December - Rockalo, GA
  • Average cloud cover in December: 48

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 32).

Average visibility in December
Rockalo, GA

Average visibility in December - Rockalo, GA
  • Average visibility in December: 5mi

The months with the highest visibility are January, February, March, April, May, June, October and November (6mi).
The months with the lowest visibility are July, August, September and December (5mi).

Rockalo, Georgia, USA

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