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 December, the average high-temperature marginally decreases from a cool 54.9°F (12.7°C) in November to a chilly 46.4°F (8°C). The average temperature during December nights dips to an icy 33.4°F (0.8°C).Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Valley Oak, in December, during 13.5 rainfall days, 3.7" (94mm) of precipitation is typically accumulated. In Valley Oak, during the entire year, the rain falls for 175.1 days and collects up to 38.31" (973mm) of precipitation.Snowfall
Months with snowfall in Valley Oak are January through April, October through December. In Valley Oak, in December, snow falls for 6.5 days, with typically accumulated 2.01" (51mm) of snow. Throughout the year, there are 30.4 snowfall days, and 12.32" (313mm) 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 December in Valley Oak, sunrise is at 7:33 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:30 pm EST.
Sunshine
The average sunshine in December is 4.4h.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 value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
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 in Valley Oak?
What is the average length of the day in December in Valley Oak?
When is the sunrise / sunset in December?
How many hours of sunshine does Valley Oak have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Valley Oak, KY
- Average high temperature in December: 46.4°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 (41.5°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in December
Valley Oak, 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 (29.97"Hg).
Average wind speed in December
Valley Oak, KY
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Valley Oak, 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 (75%).
Average rainfall in December
Valley Oak, KY
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is February (4.09").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Valley Oak, KY
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (11.2 days).
Average snowfall in December
Valley Oak, KY
- Average snowfall in December: 2.01"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Valley Oak, KY
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (8.8 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
Valley Oak, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Valley Oak, KY
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is October (16.6 days).
The months with the least sunshine days are February and July (10.1 days).
Average UV index in December
Valley Oak, 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
Valley Oak, KY
- Average cloud cover in December: 54
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Valley Oak, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Valley Oak, Kentucky, USA
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