December weather forecastPrien, LA
December
Weather in December
The first month of the winter, December, is also an enjoyable month in Prien, Louisiana, with an average temperature varying between 61.9°F (16.6°C) and 48.7°F (9.3°C).Temperature
The start of December signals a gentle decrease in the average high-temperature, transitioning from a pleasant 68.9°F (20.5°C) in November to an enjoyable 61.9°F (16.6°C). Throughout December, the temperature falls to an average low of 48.7°F (9.3°C).Humidity
In December, the average relative humidity is 79%.Rainfall
In Prien, in December, during 11.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Prien, during the entire year, the rain falls for 151.1 days and collects up to 20.91" (531mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 6:52 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:09 am and sunset at 5:23 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.1h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. 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
Average temperature in December
Prien, LA
- Average high temperature in December: 61.9°F
The warmest month (with the highest average high temperature) is August (91.2°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in December: 48.7°F
The month with the highest average low temperature is July (76.1°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).
Average pressure in December
Prien, LA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.94"Hg).
Average wind speed in December
Prien, LA
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Prien, LA
- Average humidity in December: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Prien, LA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in December
Prien, LA
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in December
Prien, LA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Prien, 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
Prien, LA
- Average daylight in December: 10h and 12min
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 6min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Prien, LA
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is August (9.9 days).
Average UV index in December
Prien, 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
Prien, LA
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility in December
Prien, 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).





