December weather forecastDelta, AL

December

Weather in December

December, the first month of the winter in Delta, is still a cool month, with an average temperature varying between 39.7°F (4.3°C) and 54.5°F (12.5°C).

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.

Updated: Jun 3, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature in Delta during December is 54.5°F (12.5°C) and the low-temperature is 39.7°F (4.3°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 91.4°F (33°C).

With an average relative humidity of 80%, December is the most humid month.

In December, the average relative humidity is 80%.

In Delta, in December, it is raining for 13.5 days, with typically 3.7" (94mm) of accumulated precipitation.

December is the month with the most snowfall. Snow falls for 0.6 days and accumulates 0.59" (15mm) of snow.

December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 0.59" (15mm) of snow.

The month with the shortest days is December, with an average of 10h and 0min of daylight.

In Delta, the average day length in December is 9h and 59min.

On the first day of December, sunrise is at 6:29 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 4:45 pm CST.

The months with the least sunshine are February and December, with an average of 4.9h of sunshine.

In Delta, the average sunshine duration in December is 4.9h.

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

In Delta, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

61.5°F

54.5°F

50.9°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7mph

7.6mph

8mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

20.7

15.8

Average UV index

Average cloud cover

Average visibility

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 54min

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).