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 fresh 53.2°F (11.8°C) in November to a frosty 45°F (7.2°C). An average nighttime temperature of 32.9°F (0.5°C) is witnessed in Lancaster throughout December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 80%.Rainfall
In Lancaster, Kentucky, in December, during 13.3 rainfall days, 3.66" (93mm) of precipitation is typically accumulated. In Lancaster, Kentucky, during the entire year, the rain falls for 178.2 days and collects up to 38.66" (982mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Lancaster, in December, during 7 snowfall days, 1.89" (48mm) of snow is typically accumulated. Throughout the year, there are 32.8 snowfall days, and 12.09" (307mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Lancaster.On the first day of the month, sunrise is at 7:35 am and sunset at 5:20 pm. On the last day of December, sunrise is at 7:53 am and sunset at 5:30 pm EST.
Sunshine
The average sunshine in December is 4.4h.UV index
The months with the lowest UV index in Lancaster are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the temperature in December in Lancaster?
What are the most humid months in Lancaster?
What is the average humidity in December in Lancaster?
How many days does it rain in December in Lancaster?
How much does it snow in Lancaster in December?
What is the month with the shortest days in Lancaster?
What is the average length of the day in December in Lancaster?
When is the sunrise / sunset in December in Lancaster?
How many hours of sunshine does Lancaster have in December?
When is the lowest UV index in Lancaster?
What is the UV index reading in December in Lancaster?
Average temperature in December
Lancaster, KY
- Average high temperature in December: 45°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in December
Lancaster, 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
Lancaster, KY
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Lancaster, KY
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August, September and October (76%).
Average rainfall in December
Lancaster, KY
- Average rainfall in December: 3.66"
The wettest month (with the highest rainfall) is July (3.74").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in December
Lancaster, KY
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (11.1 days).
Average snowfall in December
Lancaster, KY
- Average snowfall in December: 1.89"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Lancaster, KY
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (8.9 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
Lancaster, 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 36min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Lancaster, KY
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is February (9.5 days).
Average UV index in December
Lancaster, 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, November and December (UV index 2).
Average cloud cover in December
Lancaster, KY
- Average cloud cover in December: 55
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Lancaster, KY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, May, July, September and December (5mi).
Lancaster, Kentucky, USA
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