December weather forecast
Blythwood, LA

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Weather in December

The first month of the winter, December, is still a refreshing month in Blythwood, Louisiana, with an average temperature ranging between min 47.8°F (8.8°C) and max 62.4°F (16.9°C).

Temperature

December's arrival subtly correlates with a reduction in the average high-temperature, down from an agreeable 68.9°F (20.5°C) in November to a refreshing 62.4°F (16.9°C). In Blythwood, the average low-temperature during the month of December is a frosty 47.8°F (8.8°C).

Humidity

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

Rainfall

In Blythwood, in December, during 11.5 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 154.1 rainfall days, and 17.91" (455mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

With an average of 10h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:44 am and sunset at 5:04 pm. On the last day of December, in Blythwood, sunrise is at 7:00 am and sunset at 5:15 pm CST.

Sunshine

With an average of 5.1h of sunshine, December has the least sunshine of the year.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 3 suggests these recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Blythwood in December?

The average high-temperature and low-temperature during December are 62.4°F (16.9°C) and 47.8°F (8.8°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in September is evaluated at 104°F (40°C).

What is the average humidity in December?

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

How much does it rain in Blythwood in December?

In Blythwood, in December, it is raining for 11.5 days, with typically 1.34" (34mm) of accumulated precipitation.

When it does not snow in Blythwood?

February through December are months without snowfall.

Does it snow in Blythwood in December?

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

What is the month with the shortest days?

With an average of 10h and 12min of daylight, December has the shortest days of the year in Blythwood.

How many hours of daylight does Blythwood have in December?

In December, the average day length is 10h and 14min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:44 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:15 pm CST.

What is the month with the least sunshine in Blythwood?

December has the least sunshine of the year, with an average of 5.1h of sunshine.

How long on average sun shines in December?

In Blythwood, the average sunshine duration in December is 5.1h.

What is the month with the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 3.

What is the UV index reading in December in Blythwood?

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents 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
Blythwood, LA

Average temperature in December - Blythwood, LA
  • Average high temperature in December: 62.4°F

The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in December: 47.8°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.1°F).

Average pressure in December
Blythwood, LA

Average pressure in December - Blythwood, LA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

Average wind speed in December
Blythwood, LA

Average wind speed in December - Blythwood, LA
  • Average wind speed in December: 6.7mph

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

Average humidity in December
Blythwood, LA

Average humidity in December - Blythwood, 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 (74%).

Average rainfall in December
Blythwood, LA

Average rainfall in December - Blythwood, LA
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is July (2.95").
The driest month (with the least rainfall) is November (0.79").

Average rainfall days in December
Blythwood, LA

Average rainfall days in December - Blythwood, LA
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is November (7.2 days).

Average snowfall in December
Blythwood, LA

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

The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Blythwood, LA

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

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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

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

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

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in December
Blythwood, LA

Average sunshine days in December - Blythwood, LA
  • Average sunshine days in December: 17 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (7.5 days).

Average UV index in December
Blythwood, LA

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

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

Average cloud cover in December
Blythwood, LA

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

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 26).

Average visibility in December
Blythwood, LA

Average visibility in December - Blythwood, LA
  • Average visibility in December: 6mi

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

Blythwood, Louisiana, USA

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