December weather forecast
Riverland Heights, LA

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Weather in December

The first month of the winter, December, is still a comfortable month in Riverland Heights, Louisiana, with temperature in the range of an average high of 63.3°F (17.4°C) and an average low of 50°F (10°C).

Temperature

December's onset brings a negligible change in high-temperatures, falling from an agreeable 68.9°F (20.5°C) in November to an enjoyable 63.3°F (17.4°C). In December, Riverland Heights experiences an average nighttime temperature of 50°F (10°C).

Humidity

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

Rainfall

In Riverland Heights, during December, the rain falls for 12.7 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, there are 174 rainfall days, and 34.76" (883mm) of precipitation is accumulated.

Snowfall

In Riverland Heights, snow does not fall in February through December.

Daylight

With an average of 10h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:40 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:12 pm CST.

Sunshine

With an average of 5h of sunshine, December has the least sunshine of the year in Riverland Heights.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 3 in December transforms into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

The high-temperature during December is 63.3°F (17.4°C) and the low-temperature is 50°F (10°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 102.2°F (39°C).

What is the most humid month?

February and December, with an average relative humidity of 79%, are most humid months in Riverland Heights.

What is the average humidity in December?

The average relative humidity in December is 79%.

How much does it rain in December?

In Riverland Heights, in December, it is raining for 12.7 days, with typically 2.64" (67mm) of accumulated precipitation.

When it does not snow?

February through December are months without snowfall.

Does it snow in December?

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

What is the month with the shortest days in Riverland Heights?

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

How many hours of daylight does Riverland Heights have in December?

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

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 6:40 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:12 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5h of sunshine.

How many hours of sunshine does Riverland Heights have in December?

In December, the average sunshine duration in Riverland Heights is 5h.

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 intensity in December?

The average daily maximum UV index in December in Riverland Heights, Louisiana, is 3. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Riverland Heights, LA

Average temperature in December - Riverland Heights, LA
  • Average high temperature in December: 63.3°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in December: 50°F

The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (46°F).

Average pressure in December
Riverland Heights, LA

Average pressure in December - Riverland Heights, 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
Riverland Heights, LA

Average wind speed in December - Riverland Heights, LA
  • Average wind speed in December: 7.8mph

The windiest months (with the highest average wind speed) are January, February and April (8mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).

Average humidity in December
Riverland Heights, LA

Average humidity in December - Riverland Heights, LA
  • Average humidity in December: 79%

The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Riverland Heights, LA

Average rainfall in December - Riverland Heights, LA
  • Average rainfall in December: 2.64"

The wettest month (with the highest rainfall) is July (5.55").
The driest month (with the least rainfall) is November (1.5").

Average rainfall days in December
Riverland Heights, LA

Average rainfall days in December - Riverland Heights, LA
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is November (7.7 days).

Average snowfall in December
Riverland Heights, LA

Average snowfall in December - Riverland Heights, 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
Riverland Heights, LA

Average snowfall days in December - Riverland Heights, LA
  • Average snowfall days in December: 0.1 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 and November (0 days).

Average daylight in December /
Average sunshine in December
Riverland Heights, LA

Average daylight in December / Average sunshine in December - Riverland Heights, 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 0min

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 0min).

Average sunshine days in December
Riverland Heights, LA

Average sunshine days in December - Riverland Heights, LA
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (6 days).

Average UV index in December
Riverland Heights, LA

Average UV index in December - Riverland Heights, 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
Riverland Heights, LA

Average cloud cover in December - Riverland Heights, 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 25).

Average visibility in December
Riverland Heights, LA

Average visibility in December - Riverland Heights, 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).

Riverland Heights, Louisiana, USA

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