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 refreshing 66.7°F (19.3°C) in November to a moderate 58.6°F (14.8°C). Sieps sees an average low-temperature of 44.1°F (6.7°C) during December.Humidity
February and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In Sieps, during December, the rain falls for 13.4 days and regularly aggregates up to 3.31" (84mm) of precipitation. In Sieps, during the entire year, the rain falls for 164.9 days and collects up to 35.43" (900mm) of precipitation.Snowfall
January, February and December are months with snowfall in Sieps. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 1.2 snowfall days, and 0.63" (16mm) 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 6:51 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:17 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 are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
When does it start snowing?
What is the month with the shortest days in Sieps?
What is the average length of the day in December?
What time 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 reading in December?
Average temperature in December
Sieps, LA
- Average high temperature in December: 58.6°F
The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in December: 44.1°F
The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in December
Sieps, LA
- Average pressure in December: 30.13"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
Sieps, LA
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July, August and September (5mph).
Average humidity in December
Sieps, 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 (71%).
Average rainfall in December
Sieps, LA
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in December
Sieps, LA
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is October (9.9 days).
Average snowfall in December
Sieps, LA
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Sieps, LA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).
Average daylight in December /
Average sunshine in December
Sieps, LA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
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 July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Sieps, LA
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Sieps, 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
Sieps, LA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Sieps, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, June, October, November and December (6mi).
The months with the lowest visibility are February, March, April, May, July, August and September (5mi).
Sieps, Louisiana, USA
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