December weather forecast
Roscoe, KY

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Weather in December

The first month of the winter, December, is still a chilly month in Roscoe, Kentucky, with an average temperature varying between 32.7°F (0.4°C) and 44.6°F (7°C).

Temperature

Roscoe observes a small decrease in the average high-temperature with the arrival of December, falling from November's fresh 52.9°F (11.6°C) to a frosty 44.6°F (7°C). December nights cool down to an average low-temperature of 32.7°F (0.4°C).

Humidity

In Roscoe, the average relative humidity in December is 80%.

Rainfall

In Roscoe, during December, the rain falls for 12 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Roscoe, Kentucky, during the entire year, the rain falls for 162.2 days and collects up to 29.45" (748mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Roscoe, during December, snow falls for 7.3 days and regularly aggregates up to 2.32" (59mm) of snow. Throughout the year, there are 36.4 snowfall days, and 12.48" (317mm) of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year in Roscoe.
On the first day of December, sunrise is at 7:30 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:23 pm EST.

Sunshine

In December, the average sunshine is 4.1h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

In Roscoe, 44.6°F (7°C) is the average high-temperature and 32.7°F (0.4°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 95°F (35°C).

What is the average humidity in December?

In Roscoe, the average relative humidity in December is 80%.

How much does it rain in December?

In Roscoe, during December, the rain falls for 12 days and regularly aggregates up to 2.76" (70mm) of precipitation.

How many days does it snow in December?

In Roscoe, in December, during 7.3 snowfall days, 2.32" (59mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

How many hours of daylight does Roscoe have in December?

In Roscoe, the average day length in December is 9h and 35min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:30 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:23 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.1h.

What are the months with the lowest UV index?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in December in Roscoe?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Roscoe, KY

Average temperature in December - Roscoe, KY
  • Average high temperature in December: 44.6°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in December: 32.7°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in December
Roscoe, KY

Average pressure in December - Roscoe, 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 (29.97"Hg).

Average wind speed in December
Roscoe, KY

Average wind speed in December - Roscoe, KY
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in December
Roscoe, KY

Average humidity in December - Roscoe, KY
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are June, August and November (75%).

Average rainfall in December
Roscoe, KY

Average rainfall in December - Roscoe, KY
  • Average rainfall in December: 2.76"

The wettest month (with the highest rainfall) is February (2.99").
The driest months (with the least rainfall) are September and November (1.89").

Average rainfall days in December
Roscoe, KY

Average rainfall days in December - Roscoe, KY
  • Average rainfall days in December: 12 days

The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in December
Roscoe, KY

Average snowfall in December - Roscoe, KY
  • Average snowfall in December: 2.32"

The month with the highest snowfall is February (3.23").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Roscoe, KY

Average snowfall days in December - Roscoe, KY
  • Average snowfall days in December: 7.3 days

The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Roscoe, KY

Average daylight in December / Average sunshine in December - Roscoe, KY
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in December
Roscoe, KY

Average sunshine days in December - Roscoe, KY
  • Average sunshine days in December: 13.5 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (10.3 days).

Average UV index in December
Roscoe, KY

Average UV index in December - Roscoe, 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
Roscoe, KY

Average cloud cover in December - Roscoe, KY
  • Average cloud cover in December: 58

The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Roscoe, KY

Average visibility in December - Roscoe, KY
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).

Roscoe, Kentucky, USA

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