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 onset of December entails a subtle temperature shift, as the average high-temperature eases from a comfortable 66.9°F (19.4°C) in November to a still refreshing 59.9°F (15.5°C). Saint Landry records a steady low-temperature average of 45.3°F (7.4°C) during December.Humidity
The average relative humidity in December is 81%.Rainfall
In Saint Landry, during December, the rain falls for 13.7 days and regularly aggregates up to 3.35" (85mm) of precipitation. Throughout the year, there are 160.1 rainfall days, and 33.9" (861mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows in Saint Landry. Throughout December, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 1 snowfall days, and 0.43" (11mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 6:49 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:18 pm CST.
Sunshine
With an average of 4.9h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Saint Landry are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December in Saint Landry?
How many days does it rain in December?
When does it start to snow in Saint Landry?
What is the month with the shortest days?
How many hours of daylight does Saint Landry have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Saint Landry, LA
- Average high temperature in December: 59.9°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in December: 45.3°F
The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in December
Saint Landry, LA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Saint Landry, LA
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and September (5.2mph).
Average humidity in December
Saint Landry, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Saint Landry, LA
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is January (3.5").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in December
Saint Landry, LA
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in December
Saint Landry, LA
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Saint Landry, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Saint Landry, 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 months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Saint Landry, LA
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is August (12 days).
Average UV index in December
Saint Landry, LA
- Average UV index in December: 3
The months with the highest UV index are 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
Saint Landry, LA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Saint Landry, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Saint Landry, Louisiana, USA
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