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

With the beginning of December, the average high-temperature shows a small decrease, transitioning from a comfortable 64.6°F (18.1°C) in November to a mild 56.3°F (13.5°C). In December, Monroe reports a consistent average low-temperature of 42.6°F (5.9°C) during the nights.

Humidity

In December, the average relative humidity is 81%.

Rainfall

In December, in Monroe, the rain falls for 13.4 days. Throughout December, 3.46" (88mm) of precipitation is accumulated. Throughout the year, in Monroe, 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 in Monroe. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Monroe, there are 2.1 snowfall days, and 0.43" (11mm) of snow is accumulated.

Daylight

With an average of 10h and 6min of daylight, December has the shortest days of the year in Monroe.
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 in Monroe. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, a daily UV index of 3 turns into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Feb 12, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are December temperatures in Monroe?

An average high-temperature, in December, in Monroe, is 56.3°F (13.5°C) and the average low-temperature is 42.6°F (5.9°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 100.4°F (38°C).

What is the average humidity in December in Monroe?

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

How much does it rain in Monroe in December?

In December, in Monroe, the rain falls for 13.4 days. Throughout December, 3.46" (88mm) of precipitation is accumulated.

When does it start snowing in Monroe?

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

What is the month with the shortest days in Monroe?

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

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

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

When are sunrise and sunset in December in Monroe?

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 Monroe?

In Monroe, the average sunshine duration in December is 4.9h.

What is the month with the lowest UV index in Monroe?

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

What is the UV index intensity in December in Monroe?

In December, the average daily maximum UV index in Monroe, Louisiana, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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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