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
As November transitions to December, the average high-temperature falls from a fresh 51.6°F (10.9°C) to a wintry 41.9°F (5.5°C). During December nights, Ryland Heights records an average temperature of 30.9°F (-0.6°C).Humidity
February and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In Ryland Heights, in December, during 11.5 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Ryland Heights, during the entire year, the rain falls for 154.2 days and collects up to 26.46" (672mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 7.7 days. Throughout December, 1.46" (37mm) of snow is accumulated. Throughout the year, there are 33.8 snowfall days, and 9.13" (232mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:38 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:25 pm EST.
Sunshine
In December, the average sunshine is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in 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 Ryland Heights have in December?
What time are sunrise and sunset in December in Ryland Heights?
How many hours of sunshine does Ryland Heights have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Ryland Heights, KY
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in December
Ryland Heights, KY
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Ryland Heights, KY
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Ryland Heights, KY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August and September (74%).
Average rainfall in December
Ryland Heights, KY
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Ryland Heights, KY
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Ryland Heights, KY
- Average snowfall in December: 1.46"
The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Ryland Heights, KY
- Average snowfall days in December: 7.7 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
Ryland Heights, KY
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Ryland Heights, KY
- Average sunshine days in December: 13.3 days
The months with the most sunshine days are October and November (18.1 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in December
Ryland Heights, KY
- Average UV index in December: 2
The months with the highest UV index are 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
Ryland Heights, KY
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Ryland Heights, KY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Ryland Heights, Kentucky, USA
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