December weather forecastUpton, KY
December
Weather in December
The first month of the winter, December, is still a chilly month in Upton, Kentucky, with an average temperature fluctuating between 33.3°F (0.7°C) and 45.1°F (7.3°C).Temperature
December's arrival comes with a decrease in the average high-temperature, moving from a cool 54.1°F (12.3°C) in November to a frosty 45.1°F (7.3°C). Upton, in December, witnesses an average low-temperature of 33.3°F (0.7°C).Humidity
The months with the highest humidity in Upton, Kentucky, are February and December, with an average relative humidity of 80%.Rainfall
In Upton, in December, during 8.3 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, there are 111.3 rainfall days, and 10.04" (255mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Upton. In December, in Upton, it is snowing for 3.2 days. Throughout December, 0.24" (6mm) of snow is accumulated. In Upton, during the entire year, snow falls for 17.4 days and aggregates up to 1.42" (36mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Upton.On the first day of December, sunrise is at 7:39 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:35 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 4.4h of sunshine.UV index
The months with the lowest UV index in Upton are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Upton, KY
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in December
Upton, 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
Upton, KY
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Upton, 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 and October (75%).
Average rainfall in December
Upton, KY
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in December
Upton, KY
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is July (12.2 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in December
Upton, KY
- Average snowfall in December: 0.24"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Upton, KY
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Upton, 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 24min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in December
Upton, KY
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (15.2 days).
Average UV index in December
Upton, 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
Upton, KY
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Upton, KY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
