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
December indicates a minor shift in the average high-temperature, from November's mild 56.8°F (13.8°C) to a chilly 49.1°F (9.5°C). Throughout December, Wiley encounters an average temperature drop to a wintry 34.9°F (1.6°C).Humidity
The months with the highest humidity are February, May and December, with an average relative humidity of 79%.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 are January through April, November and December. December is the month with the most snowfall. Snow falls for 1.5 days and accumulates 3.54" (90mm) of snow.Daylight
The month with the shortest days in Wiley is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 5:22 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:33 pm EST.
Sunshine
December has the least sunshine of the year, 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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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?
What is the snowiest month?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
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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