December weather forecast
Rayville, LA

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Weather in December

December, the first month of the winter in Rayville, is also a moderate month, with an average temperature varying between 43.2°F (6.2°C) and 56.3°F (13.5°C).

Temperature

December brings a slight decrease in the average high-temperature, shifting from an enjoyable 64.6°F (18.1°C) in November to a moderate 56.3°F (13.5°C). Nighttime temperature dips to a mean of 43.2°F (6.2°C) during December.

Humidity

The average relative humidity in December is 80%.

Rainfall

In December, the rain falls for 13.3 days. Throughout December, 3.43" (87mm) of precipitation is accumulated. In Rayville, during the entire year, the rain falls for 156.1 days and collects up to 36.1" (917mm) of precipitation.

Snowfall

April through December are months without snowfall.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 6:51 am and sunset at 5:01 pm. On the last day of December, sunrise is at 7:08 am and sunset at 5:12 pm CST.

Sunshine

In December, the average sunshine 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 reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 in December interprets into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

During December, Rayville experiences an average high-temperature of 56.3°F (13.5°C) and a low-temperature of 43.2°F (6.2°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 98.6°F (37°C).

What is the average humidity in December?

In December, the average relative humidity is 80%.

How many days does it rain in December?

In Rayville, during December, the rain falls for 13.3 days and regularly aggregates up to 3.43" (87mm) of precipitation.

When it does not snow in Rayville?

In Rayville, snow does not fall in April through December.

Does it snow in December?

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

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.

How many hours of daylight does Rayville have in December?

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

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:51 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:12 pm CST.

How many hours of sunshine does Rayville have in December?

The average sunshine duration in December is 4.9h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from 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
Rayville, LA

Average temperature in December - Rayville, LA
  • Average high temperature in December: 56.3°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (53.6°F).

  • Average low temperature in December: 43.2°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).

Average pressure in December
Rayville, LA

Average pressure in December - Rayville, 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
Rayville, LA

Average wind speed in December - Rayville, LA
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are August and September (5.5mph).

Average humidity in December
Rayville, LA

Average humidity in December - Rayville, 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 (68%).

Average rainfall in December
Rayville, LA

Average rainfall in December - Rayville, LA
  • Average rainfall in December: 3.43"

The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in December
Rayville, LA

Average rainfall days in December - Rayville, LA
  • Average rainfall days in December: 13.3 days

The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in December
Rayville, LA

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

The months with the highest snowfall are January and February (0.16").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Rayville, LA

Average snowfall days in December - Rayville, LA
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (0.7 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
Rayville, LA

Average daylight in December / Average sunshine in December - Rayville, 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 June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Rayville, LA

Average sunshine days in December - Rayville, LA
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in December
Rayville, LA

Average UV index in December - Rayville, 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
Rayville, LA

Average cloud cover in December - Rayville, LA
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and October (Cloud cover 27).

Average visibility in December
Rayville, LA

Average visibility in December - Rayville, 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).

Rayville, Louisiana, USA

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