December weather forecastMariba, KY
December
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.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 36min
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 18min
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: 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: 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: 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: 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).
