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 brings a slight decrease in temperature, down from a refreshing 58.8°F (14.9°C) in November to a fresh 50.5°F (10.3°C). During December, Oppelo records a consistent average nighttime temperature of 35.2°F (1.8°C).Humidity
The average relative humidity in December is 78%.Rainfall
In December, the rain falls for 11.1 days. Throughout December, 2.87" (73mm) of precipitation is accumulated. In Oppelo, during the entire year, the rain falls for 153.8 days and collects up to 36.18" (919mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Oppelo, during December, snow falls for 0.4 days and regularly aggregates up to 0.39" (10mm) of snow. Throughout the year, there are 4.8 snowfall days, and 2.68" (68mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:01 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:09 pm CST.
Sunshine
In December, the average sunshine is 5.5h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 during December leads to these advisories:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Oppelo have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index in Oppelo?
What is the UV index intensity in December?
Average temperature in December
Oppelo, AR
- Average high temperature in December: 50.5°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (47.7°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in December
Oppelo, AR
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Oppelo, AR
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Oppelo, AR
- Average humidity in December: 78%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July and October (72%).
Average rainfall in December
Oppelo, AR
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Oppelo, AR
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in December
Oppelo, AR
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Oppelo, AR
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Oppelo, AR
- 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 48min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in December
Oppelo, AR
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in December
Oppelo, AR
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Oppelo, AR
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Oppelo, AR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Oppelo, Arkansas, USA
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