December weather forecastLouisville, AL
December
Weather in December
December, the first month of the winter in Louisville, is also a moderate month, with an average temperature fluctuating between 44.4°F (6.9°C) and 59.5°F (15.3°C).Temperature
Louisville's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's refreshing 65.3°F (18.5°C) to a moderate 59.5°F (15.3°C). Throughout the month of December, Louisville observes an average nighttime temperature of 44.4°F (6.9°C).Humidity
December is the most humid month, with an average relative humidity of 77%.Rainfall
In Louisville, in December, it is raining for 10.4 days, with typically 2.32" (59mm) of accumulated precipitation. In Louisville, during the entire year, the rain falls for 153.5 days and collects up to 24.41" (620mm) of precipitation.Snowfall
In Louisville, snow does not fall in April through December.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 6:24 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 4:49 pm CST.
Sunshine
With an average of 5.2h 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 medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Louisville, AL
- Average high temperature in December: 59.5°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in December: 44.4°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in December
Louisville, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Louisville, AL
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Louisville, AL
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Louisville, AL
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in December
Louisville, AL
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Louisville, AL
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.24").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Louisville, AL
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Louisville, AL
- Average daylight in December: 10h and 6min
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 6min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Louisville, AL
- Average sunshine days in December: 19 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in December
Louisville, AL
- 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
Louisville, AL
- Average cloud cover in December: 44
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Louisville, AL
- 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).
