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
December
Weather in December
Temperature
Transitioning from November to December involves a subtle drop in average high-temperatures, descending from an enjoyable 61.5°F (16.4°C) to a fresh 54.5°F (12.5°C). An average temperature of 39.7°F (4.3°C) marks the nights in Delta in December.Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
In Delta, during December, the rain falls for 13.5 days and regularly aggregates up to 3.7" (94mm) of precipitation. Throughout the year, there are 174.1 rainfall days, and 38.39" (975mm) of precipitation is accumulated.Snowfall
Months with snowfall in Delta are January through March and December. December is the month with the most snowfall. Snow falls for 0.6 days and accumulates 0.59" (15mm) of snow.Daylight
With an average of 10h and 0min 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 4:34 pm. On the last day of December, sunrise is at 6:46 am and sunset at 4:45 pm CST.
Sunshine
February and December, with an average of 4.9h of sunshine, are months with the least sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 3 during December leads to these instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
When does it snow the most?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Delta have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Delta have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Delta, AL
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is August (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).
Average pressure in December
Delta, AL
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Delta, AL
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Delta, AL
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Delta, AL
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is August (3.98").
The driest month (with the least rainfall) is October (1.89").
Average rainfall days in December
Delta, AL
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (21.5 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in December
Delta, AL
- Average snowfall in December: 0.59"
The month with the highest snowfall is December (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Delta, AL
- Average snowfall days in December: 0.6 days
The months with the highest number of snowfall days are January and February (1.3 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
Delta, AL
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Delta, AL
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in December
Delta, AL
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Delta, AL
- Average cloud cover in December: 47
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in December
Delta, AL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).