December weather forecast and climate
Bethany, KY

December, the first month of the winter, in Bethany, is also a frosty month, with average temperature fluctuating between 45°F (7.2°C) and 33.3°F (0.7°C).

Temperature

In December, the average high-temperature slightly decreases, from a cool 54°F (12.2°C) in November, to a chilly 45°F (7.2°C). In December, in Bethany, the average low-temperature is 33.3°F (0.7°C).

Humidity

In December, the average relative humidity in Bethany is 79%.

Rainfall

In Bethany, Kentucky, in December, during 13.6 rainfall days, 3.39" (86mm) of precipitation is typically accumulated. In Bethany, during the entire year, the rain falls for 178 days and collects up to 35.47" (901mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Bethany. In December, in Bethany, it is snowing for 8.3 days. Throughout December, 3.35" (85mm) of snow is accumulated. Throughout the year, there are 39.8 snowfall days, and 17.32" (440mm) of snow is accumulated.

Daylight

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

Sunshine

The average sunshine in December is 4.5h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Bethany. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Bethany?

In December, in Bethany, the average high-temperature is 45°F (7.2°C), and the average low-temperature is 33.3°F (0.7°C).

What is the average humidity in December in Bethany?

The average relative humidity in December in Bethany is 79%.

How many days does it rain in December in Bethany?

In December, the rain falls for 13.6 days. Throughout December, 3.39" (86mm) of precipitation is accumulated.

How many days does it snow in December in Bethany?

In December, it is snowing for 8.3 days. Throughout December, 3.35" (85mm) of snow is accumulated.

What is the month with the shortest days in Bethany?

With an average of 9.6h of daylight, December has the shortest days of the year in Bethany.

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

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

How long on average sun shines in December in Bethany?

In December, the average sunshine in Bethany is 4.5h.

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

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

What is the UV index intensity in December in Bethany?

In December, the average daily maximum UV index in Bethany, Kentucky, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in December - Bethany, KY
  • Average high temperature in December: 45°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in December - Bethany, 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 - Bethany, KY
  • Average wind speed in December: 6.3mph

The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in December - Bethany, KY
  • Average humidity in December: 79%

The month with the highest relative humidity is February (80%).
Months with the lowest relative humidity are August and November (74%).

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

The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").

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

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.5 days).

Average snowfall in December - Bethany, KY
  • Average snowfall in December: 3.35"

The month with the highest snowfall is February (4.8").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December - Bethany, KY
  • Average snowfall days in December: 8.3 days

The month with the highest number of snowfall days is January (11.7 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Bethany, 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: 4.5h

Months with the most sunshine are June and August (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 4.1h).

Average sunshine days in December - Bethany, KY
  • Average sunshine days in December: 12.1 days

The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is February (9 days).

Average UV index in December - Bethany, 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 - Bethany, KY
  • Average cloud cover in December: 54

Months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).

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

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