December weather forecast and climate
Barnsley, KY

The first month of the winter, December, is also a frosty month in Barnsley, Kentucky, with average temperature varying between 34°F (1.1°C) and 45.9°F (7.7°C).

Temperature

In December, the average high-temperature drops, from a cool 55°F (12.8°C) in November, to a chilly 45.9°F (7.7°C). In Barnsley, the average low-temperature is 34°F (1.1°C).

Humidity

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

Rainfall

In Barnsley, in December, during 10.3 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, in Barnsley, there are 145.5 rainfall days, and 21.85" (555mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Barnsley, Kentucky, during 2.4 snowfall days, 0.24" (6mm) of snow is typically accumulated. Throughout the year, in Barnsley, there are 12.8 snowfall days, and 2.91" (74mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Barnsley, with an average of 9.6h of daylight.

Sunshine

The average sunshine in December is 4.7h.

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 hazard from unsafe exposure to the UV radiation for the average person.
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 solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Barnsley?

In Barnsley, Kentucky, in December, the average high-temperature is 45.9°F (7.7°C), and the average low-temperature is 34°F (1.1°C).

What is the average humidity in December in Barnsley?

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

How much does it rain in Barnsley in December?

In December, the rain falls for 10.3 days. Throughout December, 1.61" (41mm) of precipitation is accumulated.

How many days does it snow in December in Barnsley?

In December, it is snowing for 2.4 days. Throughout December, 0.24" (6mm) of snow is accumulated.

What is the month with the shortest days in Barnsley?

The month with the shortest days in Barnsley, Kentucky, is December, with an average of 9.6h of daylight.

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

In December, the average length of the day is 9.6h.

How many hours of sunshine does Barnsley have in December?

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

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

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

How high is the UV index in December in Barnsley?

In December, the average daily maximum UV index in Barnsley, Kentucky, is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the UV radiation.
Average temperature in December - Barnsley, KY
  • Average high temperature in December: 45.9°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 (40.6°F).

  • Average low temperature in December: 34°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

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

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.95").

Average wind speed in December - Barnsley, KY
  • Average wind speed in December: 9mph

The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December - Barnsley, KY
  • Average rainfall in December: 1.61"

The wettest month (with the highest rainfall) is June (2.4").
The driest month (with the least rainfall) is September (1.02").

Average rainfall days in December - Barnsley, KY
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is November (8 days).

Average snowfall in December - Barnsley, KY
  • Average snowfall in December: 0.24"

The month with the highest snowfall is February (1.22").
Months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December - Barnsley, KY
  • Average snowfall days in December: 2.4 days

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

Average daylight in December / Average sunshine in December - Barnsley, KY
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in December: 4.7h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 4.4h).

Average sunshine days in December - Barnsley, KY
  • Average sunshine days in December: 18.3 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (12.1 days).

Average UV index in December - Barnsley, 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 - Barnsley, KY
  • Average cloud cover in December: 50

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 27).

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

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