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 commencement of December indicates a gentle shift in the average high-temperature, receding from November's cool 54.7°F (12.6°C) to a chilly 46.2°F (7.9°C). December brings Siler a consistent average low-temperature of 33.4°F (0.8°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In Siler, during December, the rain falls for 13.8 days and regularly aggregates up to 3.62" (92mm) of precipitation. In Siler, Kentucky, during the entire year, the rain falls for 184.3 days and collects up to 39.33" (999mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Siler, during December, snow falls for 6.1 days and regularly aggregates up to 2.48" (63mm) of snow. Throughout the year, there are 30.8 snowfall days, and 13.19" (335mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:30 am and sunset at 5:20 pm. On the last day of December, sunrise is at 7:48 am and sunset at 5:30 pm EST.
Sunshine
In December, the average sunshine is 4.7h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December in Siler?
What is the month with the shortest days?
How many hours of daylight does Siler have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index in Siler?
What is the UV index reading in December?
Average temperature in December
Siler, KY
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in December
Siler, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Siler, KY
- Average wind speed in December: 5.9mph
The windiest months (with the highest average wind speed) are February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Siler, KY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Siler, KY
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Siler, KY
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (11.3 days).
Average snowfall in December
Siler, KY
- Average snowfall in December: 2.48"
The month with the highest snowfall is February (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Siler, KY
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (9.1 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
Siler, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 4min
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 18min).
Average sunshine days in December
Siler, KY
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Siler, 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
Siler, KY
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are June and August (Cloud cover 32).
Average visibility in December
Siler, KY
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Siler, Kentucky, USA
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