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
In the transition to December, Cerulean observes a minor drop in the average high-temperature, shifting from a moderate 55.4°F (13°C) in November to a chilly 46.9°F (8.3°C). In Cerulean, the average low-temperature during the month of December is an icy 34.7°F (1.5°C).Humidity
The average relative humidity in December is 78%.Rainfall
In Cerulean, in December, it is raining for 12.7 days, with typically 3.39" (86mm) of accumulated precipitation. Throughout the year, in Cerulean, there are 160.8 rainfall days, and 35.79" (909mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Cerulean, in December, during 2.5 snowfall days, 1.14" (29mm) of snow is typically accumulated. Throughout the year, there are 15.6 snowfall days, and 6.54" (166mm) of snow is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:45 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:03 am and sunset at 4:44 pm CST.
Sunshine
In Cerulean, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index are January, February 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 radiation for ordinary individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Cerulean in December?
What is the average humidity in December in Cerulean?
How much does it rain in December?
How much does it snow in Cerulean in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Cerulean, KY
- Average high temperature in December: 46.9°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Cerulean, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Cerulean, KY
- Average wind speed in December: 8.4mph
The windiest months (with the highest average wind speed) are February and April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Cerulean, KY
- Average humidity in December: 78%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Cerulean, KY
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is February (4.45").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Cerulean, KY
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is March (16.4 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Cerulean, KY
- Average snowfall in December: 1.14"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cerulean, KY
- Average snowfall days in December: 2.5 days
The months with the highest number of snowfall days are January and February (4.8 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
Cerulean, KY
- Average daylight in December: 9h and 4min
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 42min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in December
Cerulean, KY
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in December
Cerulean, 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 and December (UV index 2).
Average cloud cover in December
Cerulean, KY
- Average cloud cover in December: 48
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in December
Cerulean, KY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Cerulean, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location