December weather forecastRayne, LA

December

Weather in December

The first month of the winter, December, is also an enjoyable month in Rayne, Louisiana, with an average temperature fluctuating between 47.5°F (8.6°C) and 61.7°F (16.5°C).

Temperature

December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a pleasant 68°F (20°C) in November to a refreshing 61.7°F (16.5°C). December's average low-temperature reading settles at a chilly 47.5°F (8.6°C).

Humidity

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

Rainfall

In Rayne, Louisiana, in December, it is raining for 10.9 days, with typically 1.38" (35mm) of accumulated precipitation. In Rayne, during the entire year, the rain falls for 142.3 days and collects up to 18.07" (459mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

The month with the shortest days is December, with an average of 10h and 12min of daylight.
On the first day of the month, sunrise is at 6:48 am and sunset at 5:08 pm. On the last day of December, sunrise is at 7:05 am and sunset at 5:19 pm CST.

Sunshine

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

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 3 in December translates into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

The average high-temperature, in December, in Rayne, is 61.7°F (16.5°C), while the average low-temperature is 47.5°F (8.6°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 100.4°F (38°C).

The average relative humidity in December is 80%.

In December, the rain falls for 10.9 days. Throughout December, 1.38" (35mm) of precipitation is accumulated.

February through December are months without snowfall.

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

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

The average day length in December is 10h and 14min.

On the first day of December, sunrise is at 6:48 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:19 pm CST.

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

In Rayne, 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 estimate of 3 to 5 represents a moderate health threat from unsafe 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
Rayne, LA

  • Average high temperature in December: 61.7°F

The warmest months (with the highest average high temperature) are July and August (89.6°F).
The month with the lowest average high temperature is January (58.8°F).

  • Average low temperature in December: 47.5°F

The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

Average pressure in December
Rayne, LA

  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.95"Hg).

Average wind speed in December
Rayne, LA

  • Average wind speed in December: 8.2mph

The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in December
Rayne, 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 (72%).

Average rainfall in December
Rayne, LA

  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is February (1.02").

Average rainfall days in December
Rayne, LA

  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is August (18.1 days).
The month with the least rainy days is November (7.9 days).

Average snowfall in December
Rayne, 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
Rayne, LA

  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.2 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
Rayne, LA

  • Average daylight in December: 10h and 12min

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 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
Rayne, LA

  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is August (10.4 days).

Average UV index in December
Rayne, LA

  • Average UV index in December: 3

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

Average cloud cover in December
Rayne, LA

  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 25).

Average visibility in December
Rayne, 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).