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
During the shift to December, a minor reduction in average high-temperature is observed, shifting from a refreshing 64°F (17.8°C) in November to a mild 56.3°F (13.5°C). Throughout December nights, Sibley experiences a consistent temperature average of 41.4°F (5.2°C).Humidity
The average relative humidity in December is 81%.Rainfall
In Sibley, Louisiana, in December, during 12.4 rainfall days, 3.58" (91mm) of precipitation is typically accumulated. In Sibley, during the entire year, the rain falls for 162 days and collects up to 39.37" (1000mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 0.08" (2mm) of snow. In Sibley, during the entire year, snow falls for 3.3 days and aggregates up to 0.98" (25mm) of snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year in Sibley.On the first day of the month, sunrise is at 6:57 am and sunset at 5:07 pm. On the last day of December, sunrise is at 7:14 am and sunset at 5:18 pm CST.
Sunshine
February and December, with an average of 5h of sunshine, are months with the least sunshine in Sibley.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 ordinary individuals.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What are December temperatures in Sibley?
What is the average humidity in December in Sibley?
How much does it rain in Sibley in December?
When does it start to snow in Sibley?
What is the month with the shortest days in Sibley?
What is the average length of the day in December in Sibley?
What time are sunrise and sunset in December in Sibley?
What are the months with the least sunshine in Sibley?
How many hours of sunshine does Sibley have in December?
What are the months with the lowest UV index in Sibley?
What is the UV index intensity in December in Sibley?
Average temperature in December
Sibley, LA
- Average high temperature in December: 56.3°F
The warmest months (with the highest average high temperature) are July and August (94.6°F).
The month with the lowest average high temperature is January (53.8°F).
- Average low temperature in December: 41.4°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 (37.9°F).
Average pressure in December
Sibley, 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 (29.93"Hg).
Average wind speed in December
Sibley, LA
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July, August and September (5mph).
Average humidity in December
Sibley, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Sibley, LA
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (2.36").
Average rainfall days in December
Sibley, LA
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is October (10.2 days).
Average snowfall in December
Sibley, LA
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Sibley, LA
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Sibley, LA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).
Average sunshine days in December
Sibley, LA
- Average sunshine days in December: 16 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is August (12.9 days).
Average UV index in December
Sibley, 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
Sibley, LA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility in December
Sibley, LA
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Sibley, Louisiana, USA
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