Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A minor decrease in the average high-temperature is observed during December, shifting from a mild 57°F (13.9°C) in November to a chilly 49.1°F (9.5°C). An average nighttime temperature of 35.2°F (1.8°C) is witnessed throughout December.Humidity
The most humid month is December, with an average relative humidity of 81%.Rainfall
December is the month with the most rainfall. 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, it is snowing for 1.2 days. Throughout December, 0.35" (9mm) of snow is accumulated. In Graysville, during the entire year, snow falls for 9.6 days and aggregates up to 1.61" (41mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.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.
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 low health risk from exposure to the Sun's UV rays for average individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the most humid month?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Graysville have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Graysville have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December in Graysville?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Graysville, Georgia, USA
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