December weather forecastNorth Vacherie, LA

December

Weather in December

The first month of the winter, December, is still a refreshing month in North Vacherie, Louisiana, with an average temperature fluctuating between 63°F (17.2°C) and 49.5°F (9.7°C).

Temperature

The beginning of December brings a slight decrease in the average high-temperature, transitioning from an agreeable 68.9°F (20.5°C) in November to a refreshing 63°F (17.2°C). North Vacherie experiences an average temperature drop to a chilly 49.5°F (9.7°C) during December nights.

Humidity

February, July through September and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In December, the rain falls for 12.8 days. Throughout December, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 172.6 rainfall days, and 30.2" (767mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

The month with the shortest days is December, with an average of 10h and 18min of daylight.
On the first day of December, sunrise is at 6:41 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:13 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5.1h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.

Frequently asked questions

In December, in North Vacherie, the average high-temperature is 63°F (17.2°C), and the average low-temperature is 49.5°F (9.7°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in September is computed to be 102.2°F (39°C).

The months with the highest humidity are February, July through September and December, with an average relative humidity of 79%.

The average relative humidity in December is 79%.

In North Vacherie, in December, it is raining for 12.8 days, with typically 2.24" (57mm) of accumulated precipitation.

February through December are months without snowfall.

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

With an average of 10h and 18min of daylight, December has the shortest days of the year.

The average day length in December is 10h and 15min.

On the first day of December, sunrise is at 6:41 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:13 pm CST.

The month with the least sunshine in North Vacherie is December, with an average of 5.1h of sunshine.

The average sunshine duration in December is 5.1h.

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

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
North Vacherie, LA

  • Average high temperature in December: 63°F

The warmest months (with the highest average high temperature) are July and August (89.8°F).
The month with the lowest average high temperature is January (60.3°F).

  • Average low temperature in December: 49.5°F

The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).

Average pressure in December
North Vacherie, 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, August and September (29.97"Hg).

Average wind speed in December
North Vacherie, LA

  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in December
North Vacherie, LA

  • Average humidity in December: 79%

The months with the highest relative humidity are February, July, August, September and December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
North Vacherie, LA

  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is July (4.88").
The driest month (with the least rainfall) is November (1.26").

Average rainfall days in December
North Vacherie, LA

  • Average rainfall days in December: 12.8 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8 days).

Average snowfall in December
North Vacherie, LA

  • Average snowfall in December: 0"

The month with the highest snowfall is January (0.04").
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
North Vacherie, LA

  • Average snowfall days in December: 0.1 days

The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
North Vacherie, LA

  • Average daylight in December: 10h and 18min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in December: 5h and 6min

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
North Vacherie, LA

  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (6.4 days).

Average UV index in December
North Vacherie, 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
North Vacherie, LA

  • Average cloud cover in December: 46

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 25).

Average visibility in December
North Vacherie, 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).