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 onset of December brings a small shift in high-temperatures, falling from a cool 54.5°F (12.5°C) in November to a frosty 45.9°F (7.7°C). In December, Phyllis records an average nighttime temperature of 33.3°F (0.7°C).Humidity
In Phyllis, the average relative humidity in December is 79%.Rainfall
In December, the rain falls for 13.2 days. Throughout December, 3.35" (85mm) of precipitation is accumulated. Throughout the year, there are 181.3 rainfall days, and 34.02" (864mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Phyllis, in December, snow falls for 6.8 days, with typically accumulated 2.87" (73mm) of snow. Throughout the year, 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 December, sunrise is at 7:25 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:21 pm EST.
Sunshine
In December, the average sunshine 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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 during December translates into the following guidance:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of 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 average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Phyllis have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Phyllis have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December in Phyllis?
Average temperature in December
Phyllis, 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
Phyllis, 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
Phyllis, 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
Phyllis, 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
Phyllis, 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
Phyllis, 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
Phyllis, 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
Phyllis, 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
Phyllis, 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
Phyllis, 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
Phyllis, 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
Phyllis, 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
Phyllis, 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).
Phyllis, Kentucky, USA
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