December weather forecast
Dearborn, LA

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Weather in December

The first month of the winter, December, is still a mild month in Dearborn, Louisiana, with an average temperature varying between 44.1°F (6.7°C) and 58.1°F (14.5°C).

Temperature

December's onset introduces a mild reduction in the average high-temperature, from a refreshing 65.1°F (18.4°C) in November to a moderate 58.1°F (14.5°C). Throughout December, Dearborn records an average temperature of 44.1°F (6.7°C) at night.

Humidity

The average relative humidity in December in Dearborn is 80%.

Rainfall

In December, the rain falls for 12.9 days. Throughout December, 3.35" (85mm) of precipitation is accumulated. Throughout the year, there are 154.1 rainfall days, and 35.12" (892mm) of precipitation is accumulated.

Snowfall

In Dearborn, Louisiana, snow does not fall in April through December.

Daylight

December has the shortest days of the year in Dearborn, Louisiana, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 6:48 am and sunset at 5:00 pm. On the last day of December, in Dearborn, sunrise is at 7:05 am and sunset at 5:10 pm CST.

Sunshine

The month with the least sunshine in Dearborn is December, with an average of 4.8h of sunshine.

UV index

The months with the lowest UV index in Dearborn are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 3 in December translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

What are December temperatures in Dearborn?

December temperatures in Dearborn vary between a high-temperature of 58.1°F (14.5°C) and a low-temperature of 44.1°F (6.7°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 102.2°F (39°C).

What is the average humidity in December in Dearborn?

The average relative humidity in December in Dearborn is 80%.

How many days does it rain in December in Dearborn?

In Dearborn, Louisiana, in December, during 12.9 rainfall days, 3.35" (85mm) of precipitation is typically accumulated.

When it does not snow in Dearborn?

In Dearborn, Louisiana, snow does not fall in April through December.

Does it snow in Dearborn in December?

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

What is the month with the shortest days in Dearborn?

December has the shortest days of the year in Dearborn, with an average of 10h and 6min of daylight.

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

The average day length in December in Dearborn, Louisiana, is 10h and 5min.

When are sunrise and sunset in December in Dearborn?

In December, on the first day of the month, sunrise is at 6:48 am and sunset at 5:00 pm. On the last day of the month, in Dearborn, Louisiana, sunrise is at 7:05 am and sunset at 5:10 pm CST.

What is the month with the least sunshine in Dearborn?

December has the least sunshine of the year in Dearborn, with an average of 4.8h of sunshine.

How long on average sun shines in December in Dearborn?

In December, the average sunshine duration in Dearborn, Louisiana, is 4.8h.

When is the lowest UV index in Dearborn?

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

How high is the UV index in December in Dearborn?

The average daily maximum UV index in December in Dearborn, Louisiana, is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Dearborn, LA

Average temperature in December - Dearborn, LA
  • Average high temperature in December: 58.1°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in December: 44.1°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

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Average pressure in December
Dearborn, LA

Average pressure in December - Dearborn, LA
  • 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 (29.96"Hg).

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Average wind speed in December
Dearborn, LA

Average wind speed in December - Dearborn, LA
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and September (5.3mph).

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Average humidity in December
Dearborn, LA

Average humidity in December - Dearborn, LA
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in December
Dearborn, LA

Average rainfall in December - Dearborn, LA
  • Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is November (2.13").

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Average rainfall days in December
Dearborn, LA

Average rainfall days in December - Dearborn, LA
  • Average rainfall days in December: 12.9 days

The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is October (8.5 days).

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Average snowfall in December
Dearborn, LA

Average snowfall in December - Dearborn, LA
  • Average snowfall in December: 0"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Dearborn, LA

Average snowfall days in December - Dearborn, LA
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in December /
Average sunshine in December
Dearborn, LA

Average daylight in December / Average sunshine in December - Dearborn, LA
  • Average daylight in December: 10h and 1min

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

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in December
Dearborn, LA

Average sunshine days in December - Dearborn, LA
  • Average sunshine days in December: 15.8 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is February (13.3 days).

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Average UV index in December
Dearborn, LA

Average UV index in December - Dearborn, LA
  • Average UV index in December: 3

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

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Average cloud cover in December
Dearborn, LA

Average cloud cover in December - Dearborn, LA
  • Average cloud cover in December: 47

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

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Average visibility in December
Dearborn, LA

Average visibility in December - Dearborn, LA
  • 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).

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Dearborn, Louisiana, USA

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