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
December's arrival signals a moderate reduction in the average high-temperature, easing from a fresh 54°F (12.2°C) in November to a chilly 45.7°F (7.6°C). Nightly temperatures drop to an average low of 33.3°F (0.7°C) in December.Humidity
February and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In Rella, in December, it is raining for 14.6 days, with typically 3.7" (94mm) of accumulated precipitation. In Rella, during the entire year, the rain falls for 187.5 days and collects up to 40.24" (1022mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Rella, Kentucky. In December, it is snowing for 6.5 days. Throughout December, 3.58" (91mm) of snow is accumulated. Throughout the year, in Rella, there are 32 snowfall days, and 14.17" (360mm) 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 the month, sunrise is at 7:29 am and sunset at 5:18 pm. On the last day of December, in Rella, sunrise is at 7:47 am and sunset at 5:28 pm EST.
Sunshine
In Rella, the average sunshine in December 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 of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. It's recommended to limit sun exposure when its radiation is at its peak during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What is the temperature in December in Rella?
What are the most humid months in Rella?
What is the average humidity in December in Rella?
How much does it rain in Rella in December?
How much does it snow in Rella in December?
What is the month with the shortest days in Rella?
How many hours of daylight does Rella have in December?
When is the sunrise / sunset in December in Rella?
How many hours of sunshine does Rella have in December?
What is the month with the lowest UV index in Rella?
What is the UV index intensity in December in Rella?
Average temperature in December
Rella, KY
- Average high temperature in December: 45.7°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 (41.5°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in December
Rella, 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
Rella, KY
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Rella, 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 April, June, July, August, September and November (77%).
Average rainfall in December
Rella, KY
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is February (4.69").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Rella, KY
- Average rainfall days in December: 14.6 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in December
Rella, KY
- Average snowfall in December: 3.58"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Rella, KY
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (9.5 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
Rella, 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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Rella, KY
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is February (9 days).
Average UV index in December
Rella, 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
Rella, KY
- Average cloud cover in December: 53
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 32).
Average visibility in December
Rella, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).
Rella, Kentucky, USA
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