December weather forecast
Mobile, AL

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Weather in December

December marks the culmination of the year in Mobile and heralds the winter temperatures. Temperatures range from 48.4°F (9.1°C) to 61.7°F (16.5°C), making it one of the colder months. Despite its lower temperatures, December does not witness any snow. The humidity increases to 79%, ensuring that the colder temperatures feel comfortable and do not appear overly harsh. As a year-end month, December's weather complexity includes a balance of rainfall, comfortable temperatures, and humidity.

Temperature

With the onset of December, the average high-temperature subtly recedes from November's enjoyable 67.8°F (19.9°C) to a still refreshing 61.7°F (16.5°C). Mobile, during the nights of December, experiences an average temperature drop to a chilly 48.4°F (9.1°C).

Humidity

With an average relative humidity of 79%, December is the most humid month.

Rainfall

In December, the rain falls for 12.4 days. Throughout December, 3.5" (89mm) of precipitation is accumulated. In Mobile, during the entire year, the rain falls for 173.3 days and collects up to 39.33" (999mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

December has the shortest days of the year, with an average of 10h and 12min of daylight.
On the first day of the month, sunrise is at 6:32 am and sunset at 4:50 pm. On the last day of December, sunrise is at 6:49 am and sunset at 5:01 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 5.4h of sunshine.

UV index

In December, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In December, a daily UV index of 4 turns into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the average December temperature?

December temperatures in Mobile vary between a high-temperature of 61.7°F (16.5°C) and a low-temperature of 48.4°F (9.1°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 100.4°F (38°C).

What is the most humid month?

The most humid month is December, with an average relative humidity of 79%.

What is the average humidity in December?

In December, the average relative humidity is 79%.

How many days does it rain in December?

In Mobile, during December, the rain falls for 12.4 days and regularly aggregates up to 3.5" (89mm) of precipitation.

When it does not snow?

In Mobile, snow does not fall in February through December.

Does it snow in December?

In Mobile, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 10h and 12min of daylight.

How many hours of daylight does Mobile have in December?

In Mobile, the average day length in December is 10h and 12min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:32 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 5:01 pm CST.

What is the month with the least sunshine?

With an average of 5.4h of sunshine, December has the least sunshine of the year in Mobile.

How long on average sun shines in December?

In December, the average sunshine duration is 5.4h.

How high is the UV index in December?

In Mobile, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
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
Mobile, AL

Average temperature in December - Mobile, AL
  • Average high temperature in December: 61.7°F

The warmest months (with the highest average high temperature) are July and August (90.9°F).
The month with the lowest average high temperature is January (58.5°F).

  • Average low temperature in December: 48.4°F

The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).

Average pressure in December
Mobile, AL

Average pressure in December - Mobile, AL
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed in December
Mobile, AL

Average wind speed in December - Mobile, AL
  • Average wind speed in December: 7.3mph

The windiest months (with the highest average wind speed) are January and April (7.4mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).

Average humidity in December
Mobile, AL

Average humidity in December - Mobile, 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
Mobile, AL

Average rainfall in December - Mobile, AL
  • Average rainfall in December: 3.5"

The wettest month (with the highest rainfall) is August (5.55").
The driest month (with the least rainfall) is November (2.05").

Average rainfall days in December
Mobile, AL

Average rainfall days in December - Mobile, AL
  • Average rainfall days in December: 12.4 days

The month with the highest number of rainy days is July (23.9 days).
The month with the least rainy days is November (8.4 days).

Average snowfall in December
Mobile, AL

Average snowfall in December - Mobile, AL
  • Average snowfall in December: 0"

The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Mobile, AL

Average snowfall days in December - Mobile, AL
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Mobile, AL
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in December
Mobile, AL

Average sunshine days in December - Mobile, AL
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (5.4 days).

Average UV index in December
Mobile, AL

Average UV index in December - Mobile, AL
  • Average UV index in December: 4

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in December
Mobile, AL

Average cloud cover in December - Mobile, AL
  • Average cloud cover in December: 43

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 24).

Average visibility in December
Mobile, AL

Average visibility in December - Mobile, 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).

Mobile, Alabama, USA

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