December weather forecastSieper, LA
December
Weather in December
The first month of the winter, December, is still a mild month in Sieper, Louisiana, with temperature in the range of an average low of 44.8°F (7.1°C) and an average high of 59.7°F (15.4°C).Temperature
In the transition to December, Sieper observes a minor drop in the average high-temperature, shifting from an enjoyable 66.7°F (19.3°C) in November to a mild 59.7°F (15.4°C). Throughout December, the temperature falls to an average low of 44.8°F (7.1°C).Humidity
The average relative humidity in December is 82%.Rainfall
In Sieper, in December, during 13.6 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. Throughout the year, there are 159.5 rainfall days, and 34.25" (870mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 1 snowfall days, and 0.71" (18mm) of snow is accumulated.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:52 am and sunset at 5:08 pm. On the last day of December, sunrise is at 7:09 am and sunset at 5:19 pm CST.
Sunshine
December has the least sunshine of the year in Sieper, Louisiana, with an average of 4.8h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. To guard against the harmful effects of the Sun, minimize exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sieper, LA
- Average high temperature in December: 59.7°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in December: 44.8°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°F).
Average pressure in December
Sieper, 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 (29.94"Hg).
Average wind speed in December
Sieper, LA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in December
Sieper, LA
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Sieper, LA
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Sieper, LA
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is August (16.8 days).
The month with the least rainy days is October (9.7 days).
Average snowfall in December
Sieper, LA
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Sieper, LA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is January (0.5 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
Sieper, 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: 4h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Sieper, LA
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is August (12.3 days).
Average UV index in December
Sieper, LA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Sieper, LA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Sieper, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, October, November and December (6mi).
The months with the lowest visibility are April, May, June, July, August and September (5mi).
