December weather forecast
Mariba, KY

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Weather in December

The first month of the winter, December, is also a frosty month in Mariba, Kentucky, with an average temperature varying between 32.9°F (0.5°C) and 44.8°F (7.1°C).

Temperature

The arrival of December correlates with a minor temperature reduction, down from November's cool 53.6°F (12°C) to a frosty 44.8°F (7.1°C). The mean low-temperature during December nights is an icy 32.9°F (0.5°C).

Humidity

February and December, with an average relative humidity of 80%, are the most humid months.

Rainfall

In Mariba, in December, it is raining for 13.6 days, with typically 3.23" (82mm) of accumulated precipitation. In Mariba, during the entire year, the rain falls for 174.3 days and collects up to 34.33" (872mm) of precipitation.

Snowfall

Months with snowfall in Mariba are January through April, October through December. In December, it is snowing for 6.9 days. Throughout December, 2.28" (58mm) of snow is accumulated. In Mariba, during the entire year, snow falls for 33.8 days and aggregates up to 11.69" (297mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 7:31 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:25 pm EST.

Sunshine

The average sunshine in December is 4.3h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December in Mariba?

The high-temperature, in December, in Mariba, records 44.8°F (7.1°C), while the low-temperature is 32.9°F (0.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 93.2°F (34°C).

What is the most humid month?

February and December, with an average relative humidity of 80%, are most humid months.

What is the average humidity in December?

In December, the average relative humidity is 80%.

How many days does it rain in December?

In Mariba, in December, it is raining for 13.6 days, with typically 3.23" (82mm) of accumulated precipitation.

How much does it snow in December?

In Mariba, during December, snow falls for 6.9 days and regularly aggregates up to 2.28" (58mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 35min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:31 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:25 pm EST.

How many hours of sunshine does Mariba have in December?

In December, the average sunshine duration is 4.3h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
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
Mariba, KY

Average temperature in December - Mariba, KY
  • Average high temperature in December: 44.8°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in December
Mariba, KY

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

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Mariba, KY

Average wind speed in December - Mariba, KY
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in December
Mariba, KY

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

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is August (75%).

Average rainfall in December
Mariba, KY

Average rainfall in December - Mariba, KY
  • Average rainfall in December: 3.23"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is September (2.09").

Average rainfall days in December
Mariba, KY

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

The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is November (11.2 days).

Average snowfall in December
Mariba, KY

Average snowfall in December - Mariba, KY
  • Average snowfall in December: 2.28"

The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Mariba, KY

Average snowfall days in December - Mariba, KY
  • Average snowfall days in December: 6.9 days

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

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

Average daylight in December / Average sunshine in December - Mariba, KY
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in December
Mariba, KY

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

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is February (9.3 days).

Average UV index in December
Mariba, KY

Average UV index in December - Mariba, 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, November and December (UV index 2).

Average cloud cover in December
Mariba, KY

Average cloud cover in December - Mariba, KY
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Mariba, KY

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

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

Mariba, Kentucky, USA

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