December weather forecastJamboree, KY

December

Weather in December

December, the first month of the winter in Jamboree, is also a frosty month, with an average temperature ranging between min 33.1°F (0.6°C) and max 45.1°F (7.3°C).

Temperature

Jamboree's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's fresh 54°F (12.2°C) to a chilly 45.1°F (7.3°C). Jamboree sees an average low-temperature of 33.1°F (0.6°C) during December.

Humidity

The average relative humidity in December is 80%.

Rainfall

In December, the rain falls for 11 days. Throughout December, 2.91" (74mm) of precipitation is accumulated. Throughout the year, there are 163.6 rainfall days, and 30.43" (773mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Jamboree, in December, during 6 snowfall days, 3.9" (99mm) of snow is typically accumulated. Throughout the year, there are 32.9 snowfall days, and 16.81" (427mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 7:25 am and sunset at 5:10 pm. On the last day of December, sunrise is at 7:43 am and sunset at 5:20 pm EST.

Sunshine

In Jamboree, 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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during December is 45.1°F (7.3°C) and the low-temperature is 33.1°F (0.6°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in August is appraised at 93.2°F (34°C).

The average relative humidity in December is 80%.

In Jamboree, in December, during 11 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

In Jamboree, in December, during 6 snowfall days, 3.9" (99mm) of snow is typically accumulated.

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

In Jamboree, the average day length in December is 9h and 38min.

In December, on the first day of the month, sunrise is at 7:25 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:20 pm EST.

In December, the average sunshine duration in Jamboree is 4.5h.

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

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Jamboree, KY

  • Average high temperature in December: 45.1°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in December: 33.1°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 (26.8°F).

Average pressure in December
Jamboree, KY

  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in December
Jamboree, KY

  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in December
Jamboree, KY

  • Average humidity in December: 80%

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

Average rainfall in December
Jamboree, KY

  • Average rainfall in December: 2.91"

The wettest months (with the highest rainfall) are February and May (3.27").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in December
Jamboree, KY

  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in December
Jamboree, KY

  • Average snowfall in December: 3.9"

The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Jamboree, KY

  • Average snowfall days in December: 6 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 9h and 36min

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 30min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Jamboree, KY

  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in December
Jamboree, 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
Jamboree, KY

  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Jamboree, 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).