December weather forecast
Farmington, KY

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Weather in December

The first month of the winter, December, is still a chilly month in Farmington, Kentucky, with an average temperature varying between 34.7°F (1.5°C) and 46.8°F (8.2°C).

Temperature

The move into December indicates a reduction in the average high-temperature, down from November's refreshing 55.9°F (13.3°C) to a chilly 46.8°F (8.2°C). Farmington, during December nights, observes an average temperature of 34.7°F (1.5°C).

Humidity

The average relative humidity in December is 78%.

Rainfall

In December, in Farmington, the rain falls for 12.5 days. Throughout December, 3.39" (86mm) of precipitation is accumulated. In Farmington, during the entire year, the rain falls for 178.3 days and collects up to 42.01" (1067mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Farmington, during December, snow falls for 2 days and regularly aggregates up to 0.59" (15mm) of snow. Throughout the year, there are 13.9 snowfall days, and 5.71" (145mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 6:48 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:48 pm CST.

Sunshine

In December, the average sunshine is 4.9h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

The high-temperature, in December, in Farmington, is 46.8°F (8.2°C), while the low-temperature averages to 34.7°F (1.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is calculated to be 86°F (30°C).

What is the average humidity in December?

In Farmington, the average relative humidity in December is 78%.

How much does it rain in December?

In Farmington, in December, during 12.5 rainfall days, 3.39" (86mm) of precipitation is typically accumulated.

How many days does it snow in December in Farmington?

In December, it is snowing for 2 days. Throughout December, 0.59" (15mm) 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 42min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 42min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:48 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:48 pm CST.

How many hours of sunshine does Farmington have in December?

In Farmington, the average sunshine duration in December is 4.9h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health threat 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
Farmington, KY

Average temperature in December - Farmington, KY
  • Average high temperature in December: 46.8°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in December: 34.7°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in December
Farmington, KY

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Farmington, KY

Average wind speed in December - Farmington, KY
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are February and April (9mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

Average humidity in December
Farmington, KY

Average humidity in December - Farmington, KY
  • Average humidity in December: 78%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Farmington, KY

Average rainfall in December - Farmington, KY
  • Average rainfall in December: 3.39"

The wettest month (with the highest rainfall) is April (4.69").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Farmington, KY

Average rainfall days in December - Farmington, KY
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (10.7 days).

Average snowfall in December
Farmington, KY

Average snowfall in December - Farmington, KY
  • Average snowfall in December: 0.59"

The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Farmington, KY

Average snowfall days in December - Farmington, KY
  • Average snowfall days in December: 2 days

The months with the highest number of snowfall days are January and February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Farmington, 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 5min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Farmington, KY

Average sunshine days in December - Farmington, KY
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in December
Farmington, KY

Average UV index in December - Farmington, 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
Farmington, KY

Average cloud cover in December - Farmington, KY
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and September (Cloud cover 27).

Average visibility in December
Farmington, KY

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

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

Farmington, Kentucky, USA

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