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 arrival of December signals a shift in temperature, down from a fresh 52.7°F (11.5°C) in November to a frosty 43.7°F (6.5°C). Nighttime temperatures in December average to a cold 32.2°F (0.1°C).Humidity
In December, the average relative humidity is 80%.Rainfall
In Slate Valley, in December, during 13 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. Throughout the year, there are 176 rainfall days, and 33.66" (855mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Slate Valley, during December, snow falls for 8.2 days and regularly aggregates up to 2.17" (55mm) of snow. Throughout the year, there are 37.3 snowfall days, and 11.57" (294mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:33 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:25 pm EST.
Sunshine
In Slate Valley, the average sunshine in December is 4.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Slate Valley in December?
What is the average humidity in December in Slate Valley?
How much does it rain in Slate Valley in December?
How many days does it snow in December in Slate Valley?
What is the month with the shortest days in Slate Valley?
What is the average length of the day in December in Slate Valley?
What time are sunrise and sunset in December in Slate Valley?
How long on average sun shines in December in Slate Valley?
When is the lowest UV index in Slate Valley?
What is the UV index reading in December in Slate Valley?
Average temperature in December
Slate Valley, KY
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Slate Valley, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Slate Valley, KY
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Slate Valley, KY
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Slate Valley, KY
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is May (3.58").
The driest months (with the least rainfall) are September and October (2.05").
Average rainfall days in December
Slate Valley, KY
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in December
Slate Valley, KY
- Average snowfall in December: 2.17"
The month with the highest snowfall is January (2.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Slate Valley, KY
- Average snowfall days in December: 8.2 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Slate Valley, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Slate Valley, KY
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in December
Slate Valley, 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
Slate Valley, KY
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Slate Valley, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
Slate Valley, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location
