December weather forecastHelton, KY
December
Weather in December
The first month of the winter, December, is still a chilly month in Helton, Kentucky, with an average temperature fluctuating between 32.9°F (0.5°C) and 45.1°F (7.3°C).Temperature
The arrival of December signals a subtle shift in temperature, down from a cool 53.6°F (12°C) in November to a chilly 45.1°F (7.3°C). Throughout December, Helton witnesses a consistent average low-temperature of 32.9°F (0.5°C).Humidity
In Helton, the average relative humidity in December is 80%.Rainfall
In December, the rain falls for 14.1 days. Throughout December, 3.62" (92mm) of precipitation is accumulated. Throughout the year, in Helton, there are 190.4 rainfall days, and 40.28" (1023mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Helton, in December, during 6.8 snowfall days, 2.87" (73mm) of snow is typically accumulated. In Helton, during the entire year, snow falls for 34 days and aggregates up to 15.71" (399mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Helton.On the first day of the month, sunrise is at 7:28 am and sunset at 5:17 pm. On the last day of December, in Helton, sunrise is at 7:46 am and sunset at 5:27 pm EST.
Sunshine
In December, the average sunshine is 4.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Helton, Kentucky. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Helton, KY
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Helton, 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
Helton, KY
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Helton, KY
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April, June, August and November (77%).
Average rainfall in December
Helton, KY
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is February (4.57").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in December
Helton, KY
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in December
Helton, KY
- Average snowfall in December: 2.87"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Helton, KY
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (10 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
Helton, KY
- Average daylight in December: 9h and 42min
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 48min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Helton, KY
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in December
Helton, KY
- Average UV index in December: 2
The months with the highest UV index are May, June 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
Helton, KY
- Average cloud cover in December: 53
The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Helton, 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).
