December weather forecast
Duncanville, AL

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Weather in December

The first month of the winter, December, is still a refreshing month in Duncanville, Alabama, with an average temperature varying between 41°F (5°C) and 55.4°F (13°C).

Temperature

With the onset of December, Duncanville's average high-temperature slightly adjusts, moderately receding from November's comfortable 63°F (17.2°C) to a still refreshing 55.4°F (13°C). In Duncanville, the December nights cool down to an average low of 41°F (5°C).

Humidity

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

Rainfall

In Duncanville, in December, during 13.5 rainfall days, 4.21" (107mm) of precipitation is typically accumulated. In Duncanville, Alabama, during the entire year, the rain falls for 169.8 days and collects up to 39.96" (1015mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In December, it is snowing for 0.5 days. Throughout December, 0.43" (11mm) of snow is accumulated. In Duncanville, during the entire year, snow falls for 3.2 days and aggregates up to 1.54" (39mm) 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 6:35 am and sunset at 4:42 pm. On the last day of December, sunrise is at 6:52 am and sunset at 4:53 pm CST.

Sunshine

The months with the least sunshine are February and December, with an average of 4.8h of sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Frequently asked questions

What are the temperatures in December?

Duncanville in December has an average high-temperature of 55.4°F (13°C) and an average low-temperature of 41°F (5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 96.8°F (36°C).

What is the most humid month?

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

What is the average humidity in December?

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

How many days does it rain in December?

In Duncanville, during December, the rain falls for 13.5 days and regularly aggregates up to 4.21" (107mm) of precipitation.

How much does it snow in Duncanville in December?

In Duncanville, in December, snow falls for 0.5 days, with typically accumulated 0.43" (11mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

In Duncanville, the average day length in December is 10h and 1min.

When are sunrise and sunset in December?

On the first day of December in Duncanville, Alabama, sunrise is at 6:35 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 4:53 pm CST.

What are the months with the least sunshine?

The months with the least sunshine are February and December, with an average of 4.8h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 4.8h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Duncanville, AL

Average temperature in December - Duncanville, AL
  • Average high temperature in December: 55.4°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (52.2°F).

  • Average low temperature in December: 41°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).

Average pressure in December
Duncanville, AL

Average pressure in December - Duncanville, AL
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in December
Duncanville, AL

Average wind speed in December - Duncanville, AL
  • Average wind speed in December: 6.6mph

The windiest months (with the highest average wind speed) are March and April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity in December
Duncanville, AL

Average humidity in December - Duncanville, 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 (70%).

Average rainfall in December
Duncanville, AL

Average rainfall in December - Duncanville, AL
  • Average rainfall in December: 4.21"

The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is October (2.24").

Average rainfall days in December
Duncanville, AL

Average rainfall days in December - Duncanville, AL
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in December
Duncanville, AL

Average snowfall in December - Duncanville, AL
  • Average snowfall in December: 0.43"

The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Duncanville, AL

Average snowfall days in December - Duncanville, AL
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (1.2 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
Duncanville, AL

Average daylight in December / Average sunshine in December - Duncanville, 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 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in December
Duncanville, AL

Average sunshine days in December - Duncanville, AL
  • Average sunshine days in December: 15.6 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in December
Duncanville, AL

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in December
Duncanville, AL

Average cloud cover in December - Duncanville, AL
  • Average cloud cover in December: 48

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 28).

Average visibility in December
Duncanville, AL

Average visibility in December - Duncanville, 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).

Duncanville, Alabama, USA

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