December weather forecast
Monticello, KY

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Weather in December

The first month of the winter, December, is still a chilly month in Monticello, Kentucky, with an average temperature fluctuating between 33.8°F (1°C) and 47.1°F (8.4°C).

Temperature

As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a fresh 55.2°F (12.9°C) to a frosty 47.1°F (8.4°C). Throughout December, a steady low-temperature average of 33.8°F (1°C) is noted.

Humidity

February and December, with an average relative humidity of 80%, are the most humid months.

Rainfall

In Monticello, in December, it is raining for 13.6 days, with typically 3.27" (83mm) of accumulated precipitation. In Monticello, during the entire year, the rain falls for 174 days and collects up to 34.92" (887mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Monticello, in December, during 5.5 snowfall days, 1.61" (41mm) of snow is typically accumulated. Throughout the year, there are 27.5 snowfall days, and 10.75" (273mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 7:34 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:33 pm EST.

Sunshine

The average sunshine in December is 4.6h.

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 hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

December temperatures vary between a high-temperature of 47.1°F (8.4°C) and a low-temperature of 33.8°F (1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 95°F (35°C).

What is the most humid month?

February and December, with an average relative humidity of 80%, are most humid months.

What is the average humidity in December?

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

How much does it rain in December?

In Monticello, in December, during 13.6 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Monticello, in December, during 5.5 snowfall days, 1.61" (41mm) of snow is typically accumulated.

What is the month with the shortest days in Monticello?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 41min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:34 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:33 pm EST.

How long on average sun shines in December in Monticello?

The average sunshine duration in December is 4.6h.

What is the month with the lowest UV index in Monticello?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
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
Monticello, KY

Average temperature in December - Monticello, KY
  • Average high temperature in December: 47.1°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41.9°F).

  • Average low temperature in December: 33.8°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

Average pressure in December
Monticello, KY

Average pressure in December - Monticello, KY
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in December
Monticello, KY

Average wind speed in December - Monticello, KY
  • Average wind speed in December: 6.9mph

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Monticello, KY

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

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are June, August, October and November (76%).

Average rainfall in December
Monticello, KY

Average rainfall in December - Monticello, KY
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is February (3.94").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in December
Monticello, KY

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

The months with the highest number of rainy days are May and July (17.8 days).
The month with the least rainy days is November (10.8 days).

Average snowfall in December
Monticello, KY

Average snowfall in December - Monticello, KY
  • Average snowfall in December: 1.61"

The month with the highest snowfall is February (2.95").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Monticello, KY

Average snowfall days in December - Monticello, KY
  • Average snowfall days in December: 5.5 days

The month with the highest number of snowfall days is January (7.8 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
Monticello, KY

Average daylight in December / Average sunshine in December - Monticello, 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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in December
Monticello, KY

Average sunshine days in December - Monticello, KY
  • Average sunshine days in December: 13.1 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (10.7 days).

Average UV index in December
Monticello, KY

Average UV index in December - Monticello, 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
Monticello, KY

Average cloud cover in December - Monticello, KY
  • Average cloud cover in December: 53

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are June and August (Cloud cover 31).

Average visibility in December
Monticello, KY

Average visibility in December - Monticello, KY
  • Average visibility in December: 6mi

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

Monticello, Kentucky, USA

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