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
Transition into December subtly marks a drop in the average high-temperature, moderately moving from a refreshing 56.8°F (13.8°C) in November to a frosty 49.1°F (9.5°C). Wiley reports a consistent average low-temperature of 34.9°F (1.6°C) throughout December nights.Humidity
February, May and December, with an average relative humidity of 79%, are the most humid months.Rainfall
December is the month with the most rainfall. Rain falls for 13.7 days and accumulates 5" (127mm) of precipitation.Snowfall
Months with snowfall in Wiley, Georgia, are January through April, November and December. The month with the most snowfall in Wiley is December, when snow falls for 1.5 days and typically aggregates up to 3.54" (90mm) 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 in Wiley, sunrise is at 7:23 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:33 pm EST.
Sunshine
December has the least sunshine of the year in Wiley, with an average of 5.2h 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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What is the temperature in December in Wiley?
What are the most humid months in Wiley?
What is the average humidity in December in Wiley?
What is the wettest month in Wiley?
How many days does it rain in December in Wiley?
When does it snow the most in Wiley?
How much does it snow in Wiley in December?
What is the month with the shortest days in Wiley?
How many hours of daylight does Wiley have in December?
When is the sunrise / sunset in December in Wiley?
What is the month with the least sunshine in Wiley?
How many hours of sunshine does Wiley have in December?
What is the month with the lowest UV index in Wiley?
How high is the UV index in December in Wiley?
Average temperature in December
Wiley, GA
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (45.3°F).
- Average low temperature in December: 34.9°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in December
Wiley, GA
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Wiley, GA
- Average wind speed in December: 5.1mph
The windiest months (with the highest average wind speed) are February and April (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Wiley, GA
- Average humidity in December: 79%
The months with the highest relative humidity are February, May and December (79%).
The months with the lowest relative humidity are January and November (75%).
Average rainfall in December
Wiley, GA
- Average rainfall in December: 5"
The wettest month (with the highest rainfall) is December (5").
The driest month (with the least rainfall) is September (2.83").
Average rainfall days in December
Wiley, GA
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Wiley, GA
- Average snowfall in December: 3.54"
The month with the highest snowfall is December (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Wiley, GA
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (3.1 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
Wiley, 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: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Wiley, GA
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in December
Wiley, GA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Wiley, GA
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Wiley, GA
- Average visibility in December: 5mi
The months with the highest visibility are June and July (6mi).
The months with the lowest visibility are January, February, March, April, May, August, September, October, November and December (5mi).
Wiley, Georgia, USA
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