December weather forecast and climate
Arjay, KY

The first month of the winter, December, is also a frosty month in Arjay, Kentucky, with temperature in the range of an average high of 45.7°F (7.6°C) and an average low of 33.3°F (0.7°C).

Temperature

In December, the average high-temperature marginally drops, from a fresh 54°F (12.2°C) in November, to a chilly 45.7°F (7.6°C). In Arjay, the average low-temperature is 33.3°F (0.7°C).

Humidity

February and December, with an average relative humidity of 81%, are most humid months.

Rainfall

In Arjay, during December, the rain falls for 14.6 days and regularly aggregates up to 3.7" (94mm) of precipitation. In Arjay, during the entire year, the rain falls for 187.5 days and collects up to 40.24" (1022mm) of precipitation.

Snowfall

Months with snowfall in Arjay, Kentucky, are January through April, October through December. In Arjay, in December, during 6.5 snowfall days, 3.58" (91mm) of snow is typically accumulated. Throughout the year, in Arjay, there are 32 snowfall days, and 14.17" (360mm) of snow is accumulated.

Daylight

The month with the shortest days in Arjay is December, with an average of 9.7h of daylight.

Sunshine

The average sunshine in December is 4.7h.

UV index

Months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Arjay?

In Arjay, Kentucky, in December, the average high-temperature is 45.7°F (7.6°C), and the average low-temperature is 33.3°F (0.7°C).

What are the most humid months in Arjay?

February and December, with an average relative humidity of 81%, are most humid months in Arjay, Kentucky.

What is the average humidity in December in Arjay?

In Arjay, the average relative humidity in December is 81%.

How many days does it rain in December in Arjay?

In Arjay, during December, the rain falls for 14.6 days and regularly aggregates up to 3.7" (94mm) of precipitation.

How much does it snow in Arjay in December?

In Arjay, during December, snow falls for 6.5 days and regularly aggregates up to 3.58" (91mm) of snow.

What is the month with the shortest days in Arjay?

The month with the shortest days is December, with an average of 9.7h of daylight.

What is the average length of the day in December in Arjay?

The average length of the day in December is 9.7h.

How long on average sun shines in December in Arjay?

In December, the average sunshine is 4.7h.

What are the months with the lowest UV index in Arjay?

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

What is the UV index reading in December in Arjay?

In December, the average daily maximum UV index in Arjay is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to the UV radiation.
Average temperature in December - Arjay, KY
  • Average high temperature in December: 45.7°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in December - Arjay, KY
  • Average pressure in December: 30.14"

Months with the highest atmospheric pressure are January and November (30.16").
The month with the lowest atmospheric pressure is June (29.98").

Average wind speed in December - Arjay, KY
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in December - Arjay, KY
  • Average humidity in December: 81%

Months with the highest relative humidity are February and December (81%).
Months with the lowest relative humidity are April, June, July, August, September and November (77%).

Average rainfall in December - Arjay, KY
  • Average rainfall in December: 3.7"

The wettest month (with the highest rainfall) is February (4.69").
The driest month (with the least rainfall) is September (2.2").

Average rainfall days in December - Arjay, KY
  • Average rainfall days in December: 14.6 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is November (11.5 days).

Average snowfall in December - Arjay, KY
  • Average snowfall in December: 3.58"

The month with the highest snowfall is February (4.21").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December - Arjay, KY
  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is January (9.5 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Arjay, KY
  • Average daylight in December: 9.7h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in December: 4.7h

The month with the most sunshine is June (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 4.3h).

Average sunshine days in December - Arjay, KY
  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is February (9 days).

Average UV index in December - Arjay, KY
  • Average UV index in December: 2

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 2).

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

Months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 32).

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

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