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 aligns with a soft reduction in the average high-temperature, gently falling from a cool 55°F (12.8°C) in November to a frosty 46.8°F (8.2°C). Throughout December nights, Lucas experiences a consistent temperature average of 34.3°F (1.3°C).Humidity
The months with the highest humidity in Lucas are February, March, May and December, with an average relative humidity of 79%.Rainfall
In December, the rain falls for 9.6 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. In Lucas, during the entire year, the rain falls for 149.2 days and collects up to 23.27" (591mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Lucas, during December, snow falls for 2.9 days and regularly aggregates up to 0.67" (17mm) of snow. Throughout the year, there are 16 snowfall days, and 3.7" (94mm) of snow is accumulated.Daylight
December has the shortest days of the year in Lucas, Kentucky, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 6:39 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:37 pm CST.
Sunshine
The average sunshine in December in Lucas is 4.4h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Boost your sun resistance with garments that are densely woven yet spacious. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December in Lucas?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Lucas have in December?
When is the sunrise / sunset in December?
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
Lucas, KY
- Average high temperature in December: 46.8°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in December
Lucas, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Lucas, KY
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity in December
Lucas, KY
- Average humidity in December: 79%
The months with the highest relative humidity are February, March, May and December (79%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Lucas, KY
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is July (2.87").
The driest months (with the least rainfall) are September and November (1.34").
Average rainfall days in December
Lucas, KY
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in December
Lucas, KY
- Average snowfall in December: 0.67"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Lucas, KY
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lucas, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Lucas, KY
- Average sunshine days in December: 18 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in December
Lucas, KY
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Lucas, KY
- Average cloud cover in December: 54
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Lucas, KY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Lucas, Kentucky, USA
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