December weather forecastMershon, GA
December
Weather in December
December, the first month of the winter in Mershon, is also an enjoyable month, with an average temperature ranging between max 63.1°F (17.3°C) and min 47.1°F (8.4°C).Temperature
December is characterized by a mild reduction in the average high-temperature, from an agreeable 68.9°F (20.5°C) in November to an enjoyable 63.1°F (17.3°C). Mershon experiences a consistent average temperature of 47.1°F (8.4°C) throughout the nights in December.Humidity
In December, the average relative humidity in Mershon is 77%.Rainfall
In Mershon, in December, it is raining for 10.8 days, with typically 2.36" (60mm) of accumulated precipitation. In Mershon, during the entire year, the rain falls for 183.6 days and collects up to 32.72" (831mm) of precipitation.Snowfall
January, March through December are months without snowfall in Mershon.Daylight
The month with the shortest days in Mershon, Georgia, is December, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 5:25 pm. On the last day of December, in Mershon, Georgia, sunrise is at 7:28 am and sunset at 5:36 pm EST.
Sunshine
With an average of 5.6h of sunshine, December has the least sunshine of the year in Mershon.UV index
In Mershon, the average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 4 during December translates into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mershon, GA
- Average high temperature in December: 63.1°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in December: 47.1°F
The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in December
Mershon, GA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in December
Mershon, GA
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Mershon, GA
- Average humidity in December: 77%
The months with the highest relative humidity are August and September (78%).
The month with the lowest relative humidity is January (71%).
Average rainfall in December
Mershon, GA
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is August (4.8").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in December
Mershon, GA
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is August (26.3 days).
The month with the least rainy days is November (8.3 days).
Average snowfall days in December
Mershon, GA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Mershon, GA
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Mershon, GA
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is August (2.2 days).
Average UV index in December
Mershon, GA
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Mershon, GA
- Average cloud cover in December: 42
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Mershon, GA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).





