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 arrival of December suggests a slight decrease in the average high-temperature, moving from a pleasant 69.1°F (20.6°C) in November to an enjoyable 63.7°F (17.6°C). The average low-temperature, in December, is a fresh 50.9°F (10.5°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 78%.Rainfall
In Saint Rose, during December, the rain falls for 12.6 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 180.8 rainfall days, and 33.39" (848mm) of precipitation is accumulated.Snowfall
Months with snowfall are January and December. December is the first month it typically snows in Saint Rose. Throughout December, there are 0.1 snowfall days. In Saint Rose, during the entire year, snow falls for 0.3 days.Daylight
The month with the shortest days is December, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 6:39 am and sunset at 5:01 pm. On the last day of December, sunrise is at 6:56 am and sunset at 5:12 pm CST.
Sunshine
With an average of 5.1h of sunshine, December has the least sunshine of the year.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In December, an average UV index of 3 transforms into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. Around midday, solar radiation is most harmful; hence, exposure should be limited. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Saint Rose in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Saint Rose have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Saint Rose have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Saint Rose, LA
- Average high temperature in December: 63.7°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (60.4°F).
- Average low temperature in December: 50.9°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (47.3°F).
Average pressure in December
Saint Rose, 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
Saint Rose, LA
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Saint Rose, LA
- Average humidity in December: 78%
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Saint Rose, LA
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is July (5.39").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in December
Saint Rose, LA
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is August (23.7 days).
The month with the least rainy days is November (8.4 days).
Average snowfall days in December
Saint Rose, 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
Saint Rose, 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Saint Rose, LA
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is August (4.8 days).
Average UV index in December
Saint Rose, LA
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Saint Rose, LA
- Average cloud cover in December: 45
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in December
Saint Rose, 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).
Saint Rose, Louisiana, USA
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