December weather forecast
Monroe, LA

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Weather in December

December in Monroe marks the arrival of winter with temperatures dipping further. The city embraces the festive spirit under 3.46" (88mm) of rainfall spread over 13.4 days. The shortened daylight hours to 10 hours signify the advent of the winter solstice. The layers of mist, the brisk winds at 6.9mph (11.1km/h), and the lingering aroma of warm cocoa characterize the December weather. The month culminates with holiday celebrations under Monroe's winter skies.

Temperature

The average high-temperature slightly decreases in December, shifting from an enjoyable 64.6°F (18.1°C) in November to a moderate 56.3°F (13.5°C). During the month of December, Monroe anticipates a mean low-temperature of 42.6°F (5.9°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Monroe, in December, during 13.4 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. Throughout the year, there are 149.8 rainfall days, and 35.51" (902mm) of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Monroe, Louisiana, during the entire year, snow falls for 2.1 days and aggregates up to 0.43" (11mm) of snow.

Daylight

With an average of 10h and 6min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:52 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:13 pm CST.

Sunshine

In December, the average sunshine is 4.9h.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 in December transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What are December temperatures?

The average high-temperature and low-temperature during December are 56.3°F (13.5°C) and 42.6°F (5.9°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in September is estimated at 100.4°F (38°C).

What is the average humidity in December?

In Monroe, the average relative humidity in December is 81%.

How much does it rain in December?

In Monroe, during December, the rain falls for 13.4 days and regularly aggregates up to 3.46" (88mm) of precipitation.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length is 10h and 4min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:52 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:13 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.9h.

What are the months with the lowest UV index?

The months with the lowest UV index are January 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 health risk from exposure to Sun's UV rays.
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
Monroe, LA

Average temperature in December - Monroe, LA
  • Average high temperature in December: 56.3°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (53.8°F).

  • Average low temperature in December: 42.6°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).

Average pressure in December
Monroe, LA

Average pressure in December - Monroe, 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 (29.95"Hg).

Average wind speed in December
Monroe, LA

Average wind speed in December - Monroe, LA
  • Average wind speed in December: 6.9mph

The windiest months (with the highest average wind speed) are March and April (7.6mph).
The calmest months (with the lowest average wind speed) are July, August and September (5.3mph).

Average humidity in December
Monroe, LA

Average humidity in December - Monroe, LA
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (69%).

Average rainfall in December
Monroe, LA

Average rainfall in December - Monroe, LA
  • Average rainfall in December: 3.46"

The wettest month (with the highest rainfall) is April (4.17").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in December
Monroe, LA

Average rainfall days in December - Monroe, LA
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is March (15.2 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in December
Monroe, LA

Average snowfall in December - Monroe, LA
  • Average snowfall in December: 0.04"

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

Average snowfall days in December
Monroe, LA

Average snowfall days in December - Monroe, LA
  • Average snowfall days in December: 0.3 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 and November (0 days).

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

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

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 6min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Monroe, LA

Average sunshine days in December - Monroe, LA
  • Average sunshine days in December: 15 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is February (13.2 days).

Average UV index in December
Monroe, LA

Average UV index in December - Monroe, 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).

Average cloud cover in December
Monroe, LA

Average cloud cover in December - Monroe, LA
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and October (Cloud cover 28).

Average visibility in December
Monroe, LA

Average visibility in December - Monroe, 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).

Monroe, Louisiana, USA

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