December weather forecast
Delta, AL

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Weather in December

The first month of the winter, December, is also a fresh month in Delta, Alabama, with temperature in the range of an average low of 39.7°F and an average high of 54.5°F.

Temperature

Transitioning from November to December involves a subtle drop in average high-temperatures, descending from an enjoyable 61.5°F to a fresh 54.5°F. Delta in December experiences a low-temperature average of 39.7°F.

Humidity

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

Rainfall

In Delta, Alabama, during December, the rain falls for 13.5 days and regularly aggregates up to 3.7" of precipitation. In Delta, during the entire year, the rain falls for 174.1 days and collects up to 38.39" of precipitation.

Snowfall

Months with snowfall in Delta, Alabama, are January through March and December. The month with the most snowfall is December, when snow falls for 0.6 days and typically aggregates up to 0.59" of snow.

Daylight

December has the shortest days of the year in Delta, with an average of 10h and 0min of daylight.
On the first day of December in Delta, sunrise is at 6:28 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 4:44 pm CST.

Sunshine

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

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Delta. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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FAQ

What is the usual temperature for Delta in December?

In December, the average high-temperature and low-temperature are 54.5°F and 39.7°F respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in September is computed to be 91.4°F.

What is the most humid month in Delta?

December is the most humid month in Delta, Alabama, with an average relative humidity of 80%.

What is the average humidity in December in Delta?

The average relative humidity in December is 80%.

How many days does it rain in December in Delta?

In Delta, Alabama, during December, the rain falls for 13.5 days and regularly aggregates up to 3.7" of precipitation.

When does it snow the most in Delta?

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

When does it start to snow in Delta?

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

What is the month with the shortest days in Delta?

With an average of 10h and 0min of daylight, December has the shortest days of the year in Delta.

How many hours of daylight does Delta have in December?

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

When are sunrise and sunset in December in Delta?

In December, on the first day of the month, sunrise is at 6:28 am and sunset at 4:34 pm. On the last day of the month, in Delta, sunrise is at 6:46 am and sunset at 4:44 pm CST.

What is the month with the least sunshine in Delta?

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

How many hours of sunshine does Delta have in December?

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

When is the lowest UV index in Delta?

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

What is the UV index intensity in December in Delta?

In Delta, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Delta, AL

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).

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Average pressure in December
Delta, AL

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).

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Average wind speed in December
Delta, AL

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).

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Average humidity in December
Delta, AL

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%).

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Average rainfall in December
Delta, AL

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").

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Average rainfall days in December
Delta, AL

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).

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Average snowfall in December
Delta, AL

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").

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Average snowfall days in December
Delta, AL

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).

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Average daylight in December /
Average sunshine in December
Delta, AL

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).

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Average sunshine days in December
Delta, AL

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).

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Average UV index in December
Delta, AL

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).

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Average cloud cover in December
Delta, AL

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).

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Average visibility in December
Delta, AL

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).

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Delta, Alabama, USA

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