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
A mild shift in the average high-temperature occurs in December, reducing from a fresh 53.1°F (11.7°C) in November to a chilly 44.1°F (6.7°C). In December, River Bluff encounters an average low-temperature of 31.8°F (-0.1°C) during the night.Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In December, the rain falls for 13 days. Throughout December, 2.6" (66mm) of precipitation is accumulated. In River Bluff, during the entire year, the rain falls for 168.9 days and collects up to 34.09" (866mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 5.9 days. Throughout December, 1.38" (35mm) of snow is accumulated. In River Bluff, during the entire year, snow falls for 28.3 days and aggregates up to 7.72" (196mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:41 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 5:32 pm EST.
Sunshine
In River Bluff, the average sunshine in December is 4.4h.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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. When the Sun is at its strongest around midday, find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does River Bluff have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December in River Bluff?
Average temperature in December
River Bluff, KY
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 31.8°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 (25.9°F).
Average pressure in December
River Bluff, KY
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
River Bluff, KY
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
River Bluff, 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 August (73%).
Average rainfall in December
River Bluff, KY
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
River Bluff, KY
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in December
River Bluff, KY
- Average snowfall in December: 1.38"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
River Bluff, KY
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (8.3 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
River Bluff, 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 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
River Bluff, KY
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is October (17.9 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in December
River Bluff, 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
River Bluff, KY
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
River Bluff, KY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May and December (5mi).
River Bluff, Kentucky, USA
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