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 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
The start of December signals a gentle decrease in the average high-temperature, transitioning from an agreeable 68.9°F (20.5°C) in November to a refreshing 62.8°F (17.1°C). During the December nights, an average temperature of 47.3°F (8.5°C) is observed.Humidity
In Fairfax, the average relative humidity in December is 77%.Rainfall
In Fairfax, in December, during 8.5 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, in Fairfax, there are 139 rainfall days, and 15.12" (384mm) of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 5:27 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:38 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.6h of sunshine.UV index
In Fairfax, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 4 suggests this advice:
Exercise prevention - Warding off sunburn is urged. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the average December temperature in Fairfax?
What is the average humidity in December in Fairfax?
How much does it rain in Fairfax in December?
What is the month with the shortest days in Fairfax?
What is the average length of the day in December in Fairfax?
What time are sunrise and sunset in December in Fairfax?
What is the month with the least sunshine in Fairfax?
How long on average sun shines in December in Fairfax?
What is the UV index reading in December in Fairfax?
Average temperature in December
Fairfax, GA
- Average high temperature in December: 62.8°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: 47.3°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
Fairfax, 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
Fairfax, GA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Fairfax, GA
- Average humidity in December: 77%
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is January (71%).
Average rainfall in December
Fairfax, GA
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Fairfax, GA
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is November (6.2 days).
Average daylight in December /
Average sunshine in December
Fairfax, GA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 4min
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
Fairfax, GA
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (7.8 days).
Average UV index in December
Fairfax, 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
Fairfax, GA
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Fairfax, GA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Fairfax, Georgia, USA
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