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 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
The transition from November to December sees an average high-temperature of a comfortable 64.2°F (17.9°C), indicating a minor variance from the prior month. Happy Jack experiences an average nighttime temperature of 56.1°F (13.4°C) in December, reflecting a minor difference from the day's peak.Humidity
With an average relative humidity of 78%, December is the most humid month.Rainfall
In December, the rain falls for 9.8 days. Throughout December, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 137.2 rainfall days, and 19.92" (506mm) of precipitation is accumulated.Snowfall
In Happy Jack, snow does not fall in February through December.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 6:36 am and sunset at 4:59 pm. On the last day of December, sunrise is at 6:53 am and sunset at 5:10 pm CST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year in Happy Jack.UV index
January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 4 turns into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. 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.
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?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Happy Jack have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine in Happy Jack?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Happy Jack, LA
- Average high temperature in December: 64.2°F
The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (61.2°F).
- Average low temperature in December: 56.1°F
The month with the highest average low temperature is August (80.4°F).
The coldest month (with the lowest average low temperature) is January (51.6°F).
Average pressure in December
Happy Jack, LA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in December
Happy Jack, LA
- Average wind speed in December: 11.2mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Happy Jack, LA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Happy Jack, LA
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is August (4.72").
The driest month (with the least rainfall) is April (0.79").
Average rainfall days in December
Happy Jack, LA
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is November (7 days).
Average snowfall days in December
Happy Jack, 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
Happy Jack, LA
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Happy Jack, LA
- Average sunshine days in December: 18.2 days
The months with the most sunshine days are April and November (20.9 days).
The month with the least sunshine days is August (7.3 days).
Average UV index in December
Happy Jack, LA
- Average UV index in December: 4
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in December
Happy Jack, LA
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is May (Cloud cover 23).
Average visibility in December
Happy Jack, 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).
Happy Jack, Louisiana, USA
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