December weather forecastDunbar, KY
December
Weather in December
December, the first month of the winter in Dunbar, is also a frosty month, with an average temperature varying between 34.3°F (1.3°C) and 46.2°F (7.9°C).Temperature
The commencement of December indicates a gentle shift in the average high-temperature, receding from November's fresh 55°F (12.8°C) to a frosty 46.2°F (7.9°C). During December, the nighttime temperature averages of 34.3°F (1.3°C).Humidity
The months with the highest humidity are February, March, May and December, with an average relative humidity of 79%.Rainfall
In Dunbar, during December, the rain falls for 11.1 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, in Dunbar, there are 162.2 rainfall days, and 29.88" (759mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Dunbar, during December, snow falls for 2.1 days and regularly aggregates up to 0.16" (4mm) of snow. In Dunbar, during the entire year, snow falls for 11.9 days and aggregates up to 2.99" (76mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:42 am and sunset at 4:29 pm. On the last day of December, sunrise is at 7:00 am and sunset at 4:40 pm CST.
Sunshine
In December, the average sunshine in Dunbar 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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dunbar, KY
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in December
Dunbar, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Dunbar, KY
- Average wind speed in December: 7.9mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in December
Dunbar, KY
- Average humidity in December: 79%
The months with the highest relative humidity are February, March, May and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Dunbar, KY
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Dunbar, KY
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in December
Dunbar, KY
- Average snowfall in December: 0.16"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Dunbar, KY
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dunbar, KY
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 42min
The months with the most sunshine are June and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Dunbar, KY
- Average sunshine days in December: 17 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in December
Dunbar, 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 and December (UV index 2).
Average cloud cover in December
Dunbar, KY
- Average cloud cover in December: 51
The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in December
Dunbar, KY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





