December weather forecast
Roxana, KY

Weather in December

December, the first month of the winter in Roxana, is also a frosty month, with an average temperature varying between 45.1°F (7.3°C) and 32.4°F (0.2°C).

Temperature

In Roxana, the average high-temperature in December slightly decreases from a cool 53.2°F (11.8°C) in November to a chilly 45.1°F (7.3°C). In December, the average low-temperature is 32.4°F (0.2°C).

Humidity

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

Rainfall

In Roxana, during December, the rain falls for 13 days and regularly aggregates up to 3.62" (92mm) of precipitation. In Roxana, Kentucky, during the entire year, the rain falls for 195.8 days and collects up to 40.35" (1025mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 7.8 days. Throughout December, 4.09" (104mm) of snow is accumulated. Throughout the year, in Roxana, there are 38.6 snowfall days, and 19.29" (490mm) of snow is accumulated.

Daylight

With an average of 9h and 40min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:26 am and sunset at 5:14 pm. On the last day of December, in Roxana, sunrise is at 7:45 am and sunset at 5:24 pm EST.

Sunshine

The average sunshine in December is 4.7h.

UV index

The months with the lowest UV index in Roxana are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Roxana?

In Roxana, Kentucky, in December, the average high-temperature is 45.1°F (7.3°C), and the average low-temperature is 32.4°F (0.2°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 89.6°F (32°C).

What is the average humidity in December in Roxana?

The average relative humidity in December is 80%.

How much does it rain in Roxana in December?

In Roxana, during December, the rain falls for 13 days and regularly aggregates up to 3.62" (92mm) of precipitation.

How much does it snow in Roxana in December?

In Roxana, in December, during 7.8 snowfall days, 4.09" (104mm) of snow is typically accumulated.

What is the month with the shortest days in Roxana?

The month with the shortest days in Roxana, Kentucky, is December, with an average of 9h and 40min of daylight.

How many hours of daylight does Roxana have in December?

In Roxana, Kentucky, the average day length in December is 9h and 40min.

When are sunrise and sunset in December in Roxana?

In December, on the first day of the month, sunrise is at 7:26 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:24 pm EST.

How long on average sun shines in December in Roxana?

The average sunshine duration in December in Roxana, Kentucky, is 4.7h.

When is the lowest UV index in Roxana?

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

What is the UV index reading in December in Roxana?

In Roxana, Kentucky, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Roxana, KY

Average temperature in December - Roxana, KY
  • Average high temperature in December: 45.1°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in December: 32.4°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

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Average pressure in December
Roxana, KY

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

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in December
Roxana, KY

Average wind speed in December - Roxana, KY
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in December
Roxana, KY

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

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in December
Roxana, KY

Average rainfall in December - Roxana, KY
  • Average rainfall in December: 3.62"

The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.48").

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Average rainfall days in December
Roxana, KY

Average rainfall days in December - Roxana, KY
  • Average rainfall days in December: 13 days

The months with the highest number of rainy days are May and July (20.8 days).
The month with the least rainy days is February (12.6 days).

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Average snowfall in December
Roxana, KY

Average snowfall in December - Roxana, KY
  • Average snowfall in December: 4.09"

The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Roxana, KY

Average snowfall days in December - Roxana, KY
  • Average snowfall days in December: 7.8 days

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Roxana, KY
  • Average daylight in December: 9h and 40min

The month with the longest days is June (Average daylight: 14h and 40min).
The month with the shortest days is December (Average daylight: 9h and 40min).

  • Average sunshine in December: 4h and 42min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in December
Roxana, KY

Average sunshine days in December - Roxana, KY
  • Average sunshine days in December: 11.9 days

The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is May (8 days).

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Average UV index in December
Roxana, KY

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

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

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Average cloud cover in December
Roxana, KY

Average cloud cover in December - Roxana, KY
  • Average cloud cover in December: 55

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in December
Roxana, KY

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

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

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