December weather forecast
Jonancy, KY

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Weather in December

December, the first month of the winter in Jonancy, is also a frosty month, with an average temperature fluctuating between 32.4°F (0.2°C) and 45.1°F (7.3°C).

Temperature

December ushers in a minor alteration in Jonancy's climate, with the average high-temperature moving from November's fresh 53.4°F (11.9°C) to a frosty 45.1°F (7.3°C). Jonancy records an average low of 32.4°F (0.2°C) throughout the nights in December.

Humidity

In December, the average relative humidity is 80%.

Rainfall

In December, the rain falls for 13.6 days. Throughout December, 3.66" (93mm) of precipitation is accumulated. In Jonancy, during the entire year, the rain falls for 201.6 days and collects up to 40.75" (1035mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 10 days. Throughout December, 5.43" (138mm) of snow is accumulated. In Jonancy, during the entire year, snow falls for 46.1 days and aggregates up to 24.8" (630mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 7:26 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:22 pm EST.

Sunshine

In Jonancy, the average sunshine in December is 4.7h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, the UV index of 2 transforms into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. 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. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

In December, in Jonancy, the average high-temperature is 45.1°F (7.3°C), and the average low-temperature is 32.4°F (0.2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 89.6°F (32°C).

What is the average humidity in December in Jonancy?

The average relative humidity in December is 80%.

How many days does it rain in December?

In Jonancy, during December, the rain falls for 13.6 days and regularly aggregates up to 3.66" (93mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 10 days. Throughout December, 5.43" (138mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

How many hours of daylight does Jonancy have in December?

The average day length in December is 9h and 38min.

What time are sunrise and sunset in December?

On the first day of December in Jonancy, Kentucky, sunrise is at 7:26 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:22 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.7h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe 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
Jonancy, KY

Average temperature in December - Jonancy, KY
  • Average high temperature in December: 45.1°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in December: 32.4°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in December
Jonancy, KY

Average pressure in December - Jonancy, 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 (29.99"Hg).

Average wind speed in December
Jonancy, KY

Average wind speed in December - Jonancy, KY
  • Average wind speed in December: 5.9mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in December
Jonancy, KY

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

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and November (76%).

Average rainfall in December
Jonancy, KY

Average rainfall in December - Jonancy, KY
  • Average rainfall in December: 3.66"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.48").

Average rainfall days in December
Jonancy, KY

Average rainfall days in December - Jonancy, KY
  • Average rainfall days in December: 13.6 days

The month with the highest number of rainy days is May (22.2 days).
The month with the least rainy days is February (12.3 days).

Average snowfall in December
Jonancy, KY

Average snowfall in December - Jonancy, KY
  • Average snowfall in December: 5.43"

The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Jonancy, KY

Average snowfall days in December - Jonancy, KY
  • Average snowfall days in December: 10 days

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Jonancy, 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 4min

The months with the most sunshine are June and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in December
Jonancy, KY

Average sunshine days in December - Jonancy, KY
  • Average sunshine days in December: 11.1 days

The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (6.8 days).

Average UV index in December
Jonancy, KY

Average UV index in December - Jonancy, 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, November and December (UV index 2).

Average cloud cover in December
Jonancy, KY

Average cloud cover in December - Jonancy, KY
  • Average cloud cover in December: 54

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Jonancy, KY

Average visibility in December - Jonancy, 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).

Jonancy, Kentucky, USA

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