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
The start of December involves a subtle temperature drop, shifting from an enjoyable 67.5°F (19.7°C) in November to a still comfortable 61°F (16.1°C). December witnesses an average nighttime temperature of 46°F (7.8°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 82%.Rainfall
The month with the most rainfall is December, when the rain falls for 14.8 days and typically aggregates up to 4.02" (102mm) of precipitation.Snowfall
Months with snowfall are January and December. The months with the most snowfall are January and December, with an average 0.24" (6mm) of accumulated snow.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 6:42 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:11 pm CST.
Sunshine
The average sunshine in December is 4.9h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Roseland. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 3 in December translates into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Roseland in December?
What are the most humid months?
What is the average humidity in December in Roseland?
What is the wettest month?
How many days does it rain in December?
What is the snowiest month?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Roseland have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December in Roseland?
When is the lowest UV index in Roseland?
What is the UV index reading in December?
Average temperature in December
Roseland, LA
- Average high temperature in December: 61°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (58.3°F).
- Average low temperature in December: 46°F
The month with the highest average low temperature is August (73.6°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in December
Roseland, 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 (29.97"Hg).
Average wind speed in December
Roseland, LA
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Roseland, 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 (73%).
Average rainfall in December
Roseland, LA
- Average rainfall in December: 4.02"
The wettest month (with the highest rainfall) is December (4.02").
The driest months (with the least rainfall) are September and November (2.05").
Average rainfall days in December
Roseland, LA
- Average rainfall days in December: 14.8 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Roseland, LA
- Average snowfall in December: 0.24"
The months with the highest snowfall are January and December (0.24").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Roseland, 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
Roseland, 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: 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
Roseland, LA
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in December
Roseland, LA
- Average UV index in December: 3
The months with the highest UV index are May, 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
Roseland, LA
- Average cloud cover in December: 50
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Roseland, LA
- Average visibility in December: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Roseland, Louisiana, USA
Weather forecast for your location
2. Allow the app to use your location