December weather forecast
Southwinds, LA

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Weather in December

December, the first month of the winter in Southwinds, is also a moderate month, with an average temperature fluctuating between 56.3°F (13.5°C) and 42.6°F (5.9°C).

Temperature

In Southwinds, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's enjoyable 64.6°F (18.1°C) to a mild 56.3°F (13.5°C). Southwinds experiences a mean temperature of 42.6°F (5.9°C) during December nights.

Humidity

The average relative humidity in December is 81%.

Rainfall

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

Snowfall

Months with snowfall are January through March and December. 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 Southwinds, during the entire year, snow falls for 2.1 days and aggregates up to 0.43" (11mm) of snow.

Daylight

The month with the shortest days is December, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 6:52 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:09 am and sunset at 5:13 pm CST.

Sunshine

The average sunshine in December is 4.9h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 3 during December translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Boost your sun resistance with garments that are densely woven yet spacious. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

What is the usual temperature for Southwinds in December?

During December, Southwinds experiences an average high-temperature of 56.3°F (13.5°C) and a low-temperature of 42.6°F (5.9°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in September is computed to be 100.4°F (38°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

How much does it rain in December?

In Southwinds, 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?

The month with the shortest days is December, with an average of 10h and 6min of daylight.

What is the average length of the day in December?

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

When are sunrise and sunset in December?

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 7:09 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 is the month with the lowest UV index?

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

How high is the UV index in December?

In Southwinds, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
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
Southwinds, LA

Average temperature in December - Southwinds, 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
Southwinds, LA

Average pressure in December - Southwinds, 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
Southwinds, LA

Average wind speed in December - Southwinds, 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
Southwinds, LA

Average humidity in December - Southwinds, 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
Southwinds, LA

Average rainfall in December - Southwinds, 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
Southwinds, LA

Average rainfall days in December - Southwinds, 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
Southwinds, LA

Average snowfall in December - Southwinds, 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
Southwinds, LA

Average snowfall days in December - Southwinds, 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
Southwinds, LA

Average daylight in December / Average sunshine in December - Southwinds, 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
Southwinds, LA

Average sunshine days in December - Southwinds, 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
Southwinds, LA

Average UV index in December - Southwinds, 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
Southwinds, LA

Average cloud cover in December - Southwinds, 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
Southwinds, LA

Average visibility in December - Southwinds, 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).

Southwinds, Louisiana, USA

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