Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With the onset of December, Irene's climate undergoes a slight change as the average high-temperature moves from a pleasant 68°F (20°C) in November to a refreshing 60.6°F (15.9°C). During December, Irene records a consistent average nighttime temperature of 45.9°F (7.7°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 82%.Rainfall
In Irene, Louisiana, in December, during 13.4 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 175 rainfall days, and 28.74" (730mm) of precipitation is accumulated.Snowfall
Months with snowfall are January and December. The months with the most snowfall are January and December, with an average 0.2" (5mm) of accumulated snow.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 6:45 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:14 pm CST.
Sunshine
With an average of 5h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 3 during December translates into the following guidance:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
What is the snowiest month?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Irene have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine in Irene?
How many hours of sunshine does Irene have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Irene, LA
- Average high temperature in December: 60.6°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (58.3°F).
- Average low temperature in December: 45.9°F
The month with the highest average low temperature is August (73.4°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in December
Irene, LA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).
Average wind speed in December
Irene, LA
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).
Average humidity in December
Irene, LA
- Average humidity in December: 82%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Irene, LA
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in December
Irene, LA
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Irene, LA
- Average snowfall in December: 0.2"
The months with the highest snowfall are January and December (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Irene, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Irene, 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 12min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Irene, LA
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in December
Irene, LA
- Average UV index in December: 3
The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Irene, LA
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Irene, LA
- Average visibility in December: 5mi
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).
Irene, Louisiana, USA
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