December weather forecast
Graysville, GA

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Weather in December

December, the first month of the winter in Graysville, is also a frosty month, with an average temperature varying between 35.2°F (1.8°C) and 49.1°F (9.5°C).

Temperature

December is marked by a subtle drop in average high-temperatures, transitioning from a mild 57°F (13.9°C) in November to a chilly 49.1°F (9.5°C). An average low-temperature of 35.2°F (1.8°C) is noted during the nights in December in Graysville.

Humidity

With an average relative humidity of 81%, December is the most humid month.

Rainfall

December is the month with the most rainfall in Graysville. Rain falls for 12.3 days and accumulates 3.15" (80mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In December, in Graysville, it is snowing for 1.2 days. Throughout December, 0.35" (9mm) of snow is accumulated. Throughout the year, there are 9.6 snowfall days, and 1.61" (41mm) of snow is accumulated.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year in Graysville.
On the first day of December in Graysville, sunrise is at 7:30 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:39 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 4.9h of sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What is the usual temperature for Graysville in December?

In Graysville, 49.1°F (9.5°C) is the average high-temperature and 35.2°F (1.8°C) is the average low-temperature during December. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in September is computed to be 86°F (30°C).

What is the most humid month in Graysville?

With an average relative humidity of 81%, December is the most humid month in Graysville, Georgia.

What is the average humidity in December in Graysville?

In December, the average relative humidity in Graysville is 81%.

What is the wettest month in Graysville?

December is the month with the most rainfall in Graysville. Rain falls for 12.3 days and accumulates 3.15" (80mm) of precipitation.

How much does it rain in Graysville in December?

In Graysville, Georgia, during December, the rain falls for 12.3 days and regularly aggregates up to 3.15" (80mm) of precipitation.

How much does it snow in Graysville in December?

In Graysville, during December, snow falls for 1.2 days and regularly aggregates up to 0.35" (9mm) of snow.

What is the month with the shortest days in Graysville?

With an average of 9h and 54min of daylight, December has the shortest days of the year in Graysville.

How many hours of daylight does Graysville have in December?

In Graysville, Georgia, the average day length in December is 9h and 51min.

When is the sunrise / sunset in December in Graysville?

On the first day of December, sunrise is at 7:30 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:39 pm EST.

What is the month with the least sunshine in Graysville?

With an average of 4.9h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in Graysville?

In December, the average sunshine duration in Graysville, Georgia, is 4.9h.

What are the months with the lowest UV index in Graysville?

The months with the lowest UV index in Graysville are January, February and December, with an average maximum UV index of 2.

What is the UV index reading in December in Graysville?

The average daily maximum UV index in December in Graysville, Georgia, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
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
Graysville, GA

Average temperature in December - Graysville, GA
  • Average high temperature in December: 49.1°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (45°F).

  • Average low temperature in December: 35.2°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

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Average pressure in December
Graysville, GA

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

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in December
Graysville, GA

Average wind speed in December - Graysville, GA
  • Average wind speed in December: 5.9mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).

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Average humidity in December
Graysville, GA

Average humidity in December - Graysville, GA
  • Average humidity in December: 81%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are January, June, July, August, September, October and November (76%).

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Average rainfall in December
Graysville, GA

Average rainfall in December - Graysville, GA
  • Average rainfall in December: 3.15"

The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in December
Graysville, GA

Average rainfall days in December - Graysville, GA
  • Average rainfall days in December: 12.3 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (8.7 days).

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Average snowfall in December
Graysville, GA

Average snowfall in December - Graysville, GA
  • Average snowfall in December: 0.35"

The month with the highest snowfall is January (0.51").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Graysville, GA

Average snowfall days in December - Graysville, GA
  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is January (3.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Graysville, GA

Average daylight in December / Average sunshine in December - Graysville, GA
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in December
Graysville, GA

Average sunshine days in December - Graysville, GA
  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (11.5 days).

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Average UV index in December
Graysville, GA

Average UV index in December - Graysville, 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, February and December (UV index 2).

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Average cloud cover in December
Graysville, GA

Average cloud cover in December - Graysville, GA
  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 32).

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Average visibility in December
Graysville, GA

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

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

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Graysville, Georgia, USA

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