December weather forecast
Montgomery, LA

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Weather in December

The first month of the winter, December, is also a moderate month in Montgomery, Louisiana, with an average temperature varying between 43°F (6.1°C) and 57.9°F (14.4°C).

Temperature

The commencement of December indicates a gentle shift in the average high-temperature, receding from November's comfortable 65.5°F (18.6°C) to a mild 57.9°F (14.4°C). Throughout December, an average nighttime temperature of 43°F (6.1°C) is experienced.

Humidity

In December, the average relative humidity is 82%.

Rainfall

In Montgomery, during December, the rain falls for 10.5 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Montgomery, during the entire year, the rain falls for 142.7 days and collects up to 23.9" (607mm) of precipitation.

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 0.12" (3mm) of snow. In Montgomery, during the entire year, snow falls for 1.7 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 the month, sunrise is at 6:54 am and sunset at 5:07 pm. On the last day of December, sunrise is at 7:11 am and sunset at 5:18 pm CST.

Sunshine

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

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 3 transforms into these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's radiation is especially intense around midday; try to stay in shade during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

The high-temperature, in December, in Montgomery, is 57.9°F (14.4°C), while the low-temperature averages to 43°F (6.1°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 104°F (40°C).

What is the average humidity in December?

The average relative humidity in December is 82%.

How many days does it rain in December?

In December, in Montgomery, the rain falls for 10.5 days. Throughout December, 1.85" (47mm) of precipitation is accumulated.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.12" (3mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Montgomery have in December?

In Montgomery, the average day length in December is 10h and 7min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:54 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:18 pm CST.

What is the month with the least sunshine?

With an average of 4.8h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Montgomery have in December?

In December, the average sunshine duration is 4.8h.

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?

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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
Montgomery, LA

Average temperature in December - Montgomery, LA
  • Average high temperature in December: 57.9°F

The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is January (55.8°F).

  • Average low temperature in December: 43°F

The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).

Average pressure in December
Montgomery, LA

Average pressure in December - Montgomery, LA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Montgomery, LA

Average wind speed in December - Montgomery, LA
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).

Average humidity in December
Montgomery, LA

Average humidity in December - Montgomery, LA
  • Average humidity in December: 82%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are August and October (71%).

Average rainfall in December
Montgomery, LA

Average rainfall in December - Montgomery, LA
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is November (1.3").

Average rainfall days in December
Montgomery, LA

Average rainfall days in December - Montgomery, LA
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is August (15.9 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in December
Montgomery, LA

Average snowfall in December - Montgomery, LA
  • Average snowfall in December: 0.12"

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

Average snowfall days in December
Montgomery, LA

Average snowfall days in December - Montgomery, 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
Montgomery, LA

Average daylight in December / Average sunshine in December - Montgomery, 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 July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in December
Montgomery, LA

Average sunshine days in December - Montgomery, LA
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is August (12.1 days).

Average UV index in December
Montgomery, LA

Average UV index in December - Montgomery, 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
Montgomery, LA

Average cloud cover in December - Montgomery, LA
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 30).

Average visibility in December
Montgomery, LA

Average visibility in December - Montgomery, LA
  • Average visibility in December: 5mi

The months with the highest visibility are June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, September and December (5mi).

Montgomery, Louisiana, USA

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