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
Louisville's weather subtly changes with the onset of December, barely falling from an enjoyable 62.4°F (16.9°C) in November to a cool 55.2°F (12.9°C). The average temperature during December nights dips to a wintry 40.5°F (4.7°C).Humidity
December is the most humid month, with an average relative humidity of 81%.Rainfall
In Louisville, in December, it is raining for 11.9 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, in Louisville, there are 157.5 rainfall days, and 32.13" (816mm) of precipitation is accumulated.Snowfall
Months with snowfall in Louisville, Mississippi, are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, in Louisville, there are 3 snowfall days, and 1.02" (26mm) of snow is accumulated.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of December in Louisville, sunrise is at 6:41 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:59 pm CST.
Sunshine
February and December, with an average of 4.8h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Louisville are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 3 in December translates into these instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Louisville?
What is the most humid month in Louisville?
What is the average humidity in December in Louisville?
How much does it rain in Louisville in December?
When does it start to snow in Louisville?
What is the month with the shortest days in Louisville?
How many hours of daylight does Louisville have in December?
When is the sunrise / sunset in December in Louisville?
What are the months with the least sunshine in Louisville?
How long on average sun shines in December in Louisville?
What is the month with the lowest UV index in Louisville?
How high is the UV index in December in Louisville?
Average temperature in December
Louisville, MS
- Average high temperature in December: 55.2°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (51.8°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (36.7°F).
Average pressure in December
Louisville, MS
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Louisville, MS
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is February (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Louisville, MS
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Louisville, MS
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in December
Louisville, MS
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in December
Louisville, MS
- Average snowfall in December: 0.16"
The months with the highest snowfall are January and February (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Louisville, MS
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1 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
Louisville, MS
- Average daylight in December: 10h and 0min
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 0min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Louisville, MS
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (21 days).
The months with the least sunshine days are July and August (9.6 days).
Average UV index in December
Louisville, MS
- 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, February and December (UV index 3).
Average cloud cover in December
Louisville, MS
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in December
Louisville, MS
- 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).
Louisville, Mississippi, USA
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