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 transition to December results in a modest reduction in average high-temperature, moving from a cool 54.5°F (12.5°C) in November to a frosty 45.9°F (7.7°C). Orkney experiences an average low-temperature reading of 33.3°F (0.7°C) throughout December.Humidity
In Orkney, the average relative humidity in December is 79%.Rainfall
In Orkney, during December, the rain falls for 13.2 days and regularly aggregates up to 3.35" (85mm) of precipitation. In Orkney, during the entire year, the rain falls for 181.3 days and collects up to 34.02" (864mm) of precipitation.Snowfall
Months with snowfall in Orkney, Kentucky, are January through April, October through December. In December, in Orkney, Kentucky, it is snowing for 6.8 days. Throughout December, 2.87" (73mm) of snow is accumulated. Throughout the year, in Orkney, Kentucky, there are 36.4 snowfall days, and 15.24" (387mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:27 am and sunset at 5:13 pm. On the last day of December, in Orkney, Kentucky, sunrise is at 7:45 am and sunset at 5:23 pm EST.
Sunshine
In Orkney, the average sunshine in December is 4.5h.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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 2 in December translates into this advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Orkney in December?
What is the average humidity in December in Orkney?
How many days does it rain in December in Orkney?
How much does it snow in Orkney in December?
What is the month with the shortest days in Orkney?
How many hours of daylight does Orkney have in December?
When are sunrise and sunset in December in Orkney?
How many hours of sunshine does Orkney have in December?
When is the lowest UV index in Orkney?
What is the UV index intensity in December in Orkney?
Average temperature in December
Orkney, KY
- Average high temperature in December: 45.9°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
Orkney, 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
Orkney, KY
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Orkney, KY
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are July, August and November (74%).
Average rainfall in December
Orkney, KY
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Orkney, KY
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is November (11.3 days).
Average snowfall in December
Orkney, KY
- Average snowfall in December: 2.87"
The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Orkney, KY
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Orkney, 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 36min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Orkney, KY
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.3 days).
Average UV index in December
Orkney, KY
- Average UV index in December: 2
The months with the highest UV index are June 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
Orkney, KY
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Orkney, 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).
Orkney, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location