December weather forecastNapfor, KY
December
Weather in December
The first month of the winter, December, is also a frosty month in Napfor, Kentucky, with an average temperature fluctuating between 33.1°F (0.6°C) and 45.1°F (7.3°C).Temperature
Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a cool 54°F (12.2°C) to a chilly 45.1°F (7.3°C). Nighttime temperatures in Napfor hover around an average low of 33.1°F (0.6°C) in December.Humidity
February and December, with an average relative humidity of 80%, are the most humid months in Napfor.Rainfall
In Napfor, in December, it is raining for 11.7 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, in Napfor, there are 168.8 rainfall days, and 24.84" (631mm) of precipitation is accumulated.Snowfall
Months with snowfall in Napfor are January through April, October through December. In Napfor, during December, snow falls for 6.1 days and regularly aggregates up to 2.95" (75mm) of snow. Throughout the year, in Napfor, there are 33.3 snowfall days, and 11.34" (288mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December in Napfor, sunrise is at 7:29 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:25 pm EST.
Sunshine
In December, the average sunshine is 4.7h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Napfor, KY
- Average high temperature in December: 45.1°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 (40.6°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
Napfor, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Napfor, KY
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Napfor, KY
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is November (75%).
Average rainfall in December
Napfor, KY
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is February (2.76").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in December
Napfor, KY
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Napfor, KY
- Average snowfall in December: 2.95"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Napfor, KY
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (10.3 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
Napfor, KY
- Average daylight in December: 9h and 36min
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 42min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Napfor, KY
- Average sunshine days in December: 14 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in December
Napfor, KY
- Average UV index in December: 2
The months with the highest UV index are May, June 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
Napfor, KY
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Napfor, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).
