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
December's onset brings a reduction in the average high-temperature, from a fresh 52.2°F (11.2°C) in November to an icy 42.6°F (5.9°C). In December, Rectorville encounters an average low-temperature of 31.1°F (-0.5°C) during the night.Humidity
The months with the highest humidity in Rectorville are February and December, with an average relative humidity of 81%.Rainfall
In Rectorville, during December, the rain falls for 12.8 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Rectorville, Kentucky, during the entire year, the rain falls for 164.5 days and collects up to 26.89" (683mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Rectorville, during December, snow falls for 7.9 days and regularly aggregates up to 1.5" (38mm) of snow. In Rectorville, during the entire year, snow falls for 34.9 days and aggregates up to 8.62" (219mm) of snow.Daylight
December has the shortest days of the year in Rectorville, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:33 am and sunset at 5:13 pm. On the last day of December, sunrise is at 7:52 am and sunset at 5:23 pm EST.
Sunshine
In Rectorville, Kentucky, the average sunshine in December is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Rectorville have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Rectorville have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Rectorville, KY
- Average high temperature in December: 42.6°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Rectorville, 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 (29.95"Hg).
Average wind speed in December
Rectorville, KY
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Rectorville, KY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are April, August, September, October and November (76%).
Average rainfall in December
Rectorville, KY
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Rectorville, KY
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in December
Rectorville, KY
- Average snowfall in December: 1.5"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Rectorville, KY
- Average snowfall days in December: 7.9 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
Rectorville, KY
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Rectorville, KY
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10 days).
Average UV index in December
Rectorville, 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
Rectorville, 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 28).
Average visibility in December
Rectorville, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July and September (5mi).
Rectorville, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location