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 commencement of December indicates a gentle shift in the average high-temperature, receding from November's comfortable 66.7°F (19.3°C) to a mild 59°F (15°C). In December, the average low-temperature records at a frosty 44.2°F (6.8°C) during the nights.Humidity
In Alco, Louisiana, the average relative humidity in December is 81%.Rainfall
In Alco, during December, the rain falls for 11.6 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 156.9 rainfall days, and 25.98" (660mm) 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 0.16" (4mm) of snow. Throughout the year, there are 1.4 snowfall days, and 0.71" (18mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 6:54 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:20 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 4.9h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 3 in December leads to these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How much does it rain in December?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Alco have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Alco have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Alco, LA
- Average high temperature in December: 59°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in December: 44.2°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
Alco, 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 (29.93"Hg).
Average wind speed in December
Alco, LA
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Alco, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Alco, LA
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is November (1.34").
Average rainfall days in December
Alco, LA
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in December
Alco, LA
- Average snowfall in December: 0.16"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Alco, 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 and October (0 days).
Average daylight in December /
Average sunshine in December
Alco, 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 months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Alco, LA
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is August (9.8 days).
Average UV index in December
Alco, LA
- Average UV index in December: 3
The months with the highest UV index are May, 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
Alco, LA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Alco, LA
- Average visibility in December: 5mi
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).
Alco, Louisiana, USA
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