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 is characterized by a slight reduction in average high-temperature, easing from a comfortable 64.9°F (18.3°C) in November to a mild 58.1°F (14.5°C). During December, Wiley witnesses a consistent average low-temperature of 43.2°F (6.2°C).Humidity
December is the most humid month, with an average relative humidity of 79%.Rainfall
In Wiley, in December, during 11.3 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 156.3 rainfall days, and 26.34" (669mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Wiley, during the entire year, snow falls for 1 days and aggregates up to 0.67" (17mm) of snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:29 am and sunset at 4:39 pm. On the last day of December, sunrise is at 6:46 am and sunset at 4:50 pm CST.
Sunshine
February and December, with an average of 5.1h of sunshine, are months with the least sunshine in Wiley.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Beware! Reflection from snow can magnify the Sun's UV radiation nearly 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?
How much does it rain in December?
When does it start to snow?
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 are the months with the least sunshine?
How many hours of sunshine does Wiley have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Wiley, AL
- Average high temperature in December: 58.1°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in December: 43.2°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in December
Wiley, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Wiley, AL
- Average wind speed in December: 7.7mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity in December
Wiley, AL
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Wiley, AL
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is August (2.91").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in December
Wiley, AL
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in December
Wiley, AL
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Wiley, AL
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Wiley, AL
- Average daylight in December: 10h and 1min
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 1min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Wiley, AL
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (7.4 days).
Average UV index in December
Wiley, AL
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Wiley, AL
- Average cloud cover in December: 45
The months with the most cloud cover are February and December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Wiley, AL
- 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).
Wiley, Alabama, USA
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