December weather forecastHighmound, AL

December

Weather in December

The first month of the winter, December, is also a fresh month in Highmound, Alabama, with an average temperature varying between 52.9°F (11.6°C) and 38.3°F (3.5°C).

Temperature

A minor decrease in the average high-temperature is observed during December, shifting from a moderate 60.1°F (15.6°C) in November to a cool 52.9°F (11.6°C). An average low-temperature of 38.3°F (3.5°C) is noted during the nights in December.

Humidity

The most humid month is December, with an average relative humidity of 80%.

Rainfall

The month with the most rainfall is December, when the rain falls for 13.1 days and typically aggregates up to 4.21" (107mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Highmound, in December, during 0.6 snowfall days, 0.35" (9mm) of snow is typically accumulated. Throughout the year, there are 4.8 snowfall days, and 1.65" (42mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 6:33 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 4:46 pm CST.

Sunshine

In December, the average sunshine is 4.7h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Frequently asked questions

An average high-temperature, in December, in Highmound, is 52.9°F (11.6°C) and the average low-temperature is 38.3°F (3.5°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 89.6°F (32°C).

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

In December, the average relative humidity is 80%.

December is the month with the most rainfall. Rain falls for 13.1 days and accumulates 4.21" (107mm) of precipitation.

In Highmound, during December, the rain falls for 13.1 days and regularly aggregates up to 4.21" (107mm) of precipitation.

In Highmound, in December, during 0.6 snowfall days, 0.35" (9mm) of snow is typically accumulated.

The month with the shortest days is December, with an average of 9h and 54min of daylight.

In Highmound, the average day length in December is 9h and 55min.

On the first day of December, sunrise is at 6:33 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 4:46 pm CST.

In December, the average sunshine duration in Highmound is 4.7h.

The months with the lowest UV index are January and December, with an average maximum UV index of 2.

In Highmound, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Highmound, AL

  • Average high temperature in December: 52.9°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (48.9°F).

  • Average low temperature in December: 38.3°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (34°F).

Average pressure in December
Highmound, 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
Highmound, AL

  • Average wind speed in December: 7.5mph

The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December
Highmound, 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
Highmound, AL

  • Average rainfall in December: 4.21"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is October (2.32").

Average rainfall days in December
Highmound, AL

  • Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in December
Highmound, AL

  • Average snowfall in December: 0.35"

The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Highmound, AL

  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in December: 9h and 54min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 4h and 42min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in December
Highmound, AL

  • Average sunshine days in December: 16.1 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (8.4 days).

Average UV index in December
Highmound, AL

  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
Highmound, AL

  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in December
Highmound, 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).