December weather forecast and climate
Chelsea, AL

The first month of the winter, December, is still a cool month in Chelsea, Alabama, with temperature in the range of an average high of 55°F (12.8°C) and an average low of 40.5°F (4.7°C).

Temperature

In December, the average high-temperature marginally drops, from a comfortable 62.4°F (16.9°C) in November, to a fresh 55°F (12.8°C). The average low-temperature, in December, is 40.5°F (4.7°C).

Humidity

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

Rainfall

In Chelsea, during December, the rain falls for 12.7 days and regularly aggregates up to 3.98" (101mm) of precipitation. Throughout the year, in Chelsea, there are 174.2 rainfall days, and 40.08" (1018mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In December, it is snowing for 0.6 days. Throughout December, 0.55" (14mm) of snow is accumulated. In Chelsea, during the entire year, snow falls for 3.3 days, and aggregates up to 1.81" (46mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h of daylight.

Sunshine

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

UV index

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Chelsea. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Chelsea?

In December, in Chelsea, the average high-temperature is 55°F (12.8°C), and the average low-temperature is 40.5°F (4.7°C).

What is the most humid month in Chelsea?

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

What is the average humidity in December in Chelsea?

In December, the average relative humidity in Chelsea is 80%.

How much does it rain in Chelsea in December?

In December, in Chelsea, the rain falls for 12.7 days. Throughout December, 3.98" (101mm) of precipitation is accumulated.

How many days does it snow in December in Chelsea?

In Chelsea, in December, snow falls for 0.6 days, with typically accumulated 0.55" (14mm) of snow.

What is the month with the shortest days in Chelsea?

December has the shortest days of the year, with an average of 10h of daylight.

What is the average length of the day in December in Chelsea?

The average length of the day in December in Chelsea is 10h.

What is the month with the least sunshine in Chelsea?

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

How many hours of sunshine does Chelsea have in December?

In Chelsea, Alabama, the average sunshine in December is 4.9h.

What are the months with the lowest UV index in Chelsea?

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

What is the UV index reading in December in Chelsea?

In Chelsea, Alabama, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Chelsea, AL
  • Average high temperature in December: 55°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (51.1°F).

  • Average low temperature in December: 40.5°F

The month with the highest average low temperature is August (71.4°F).
The coldest month (with the lowest average low temperature) is January (36°F).

Average pressure in December - Chelsea, AL
  • Average pressure in December: 30.14"

The month with the highest atmospheric pressure is January (30.17").
Months with the lowest atmospheric pressure are June and August (29.98").

Average wind speed in December - Chelsea, AL
  • Average wind speed in December: 7mph

The windiest months (with the highest average wind speed) are February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).

Average humidity in December - Chelsea, 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 (71%).

Average rainfall in December - Chelsea, AL
  • Average rainfall in December: 3.98"

The wettest month (with the highest rainfall) is April (4.09").
The driest months (with the least rainfall) are September and October (2.36").

Average rainfall days in December - Chelsea, AL
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in December - Chelsea, AL
  • Average snowfall in December: 0.55"

The month with the highest snowfall is January (0.79").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December - Chelsea, AL
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is January (1.2 days).
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 - Chelsea, AL
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 4.9h

The month with the most sunshine is June (Average sunshine: 10.7h).
Months with the least sunshine are February and December (Average sunshine: 4.9).

Average sunshine days in December - Chelsea, AL
  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in December - Chelsea, AL
  • Average UV index in December: 3

The month with the highest UV index is August (UV index 7).
Months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in December - Chelsea, AL
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in December - Chelsea, AL
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).