December weather forecastDulaney, KY
December
Weather in December
December, the first month of the winter in Dulaney, is still a chilly month, with an average temperature varying between 45.9°F (7.7°C) and 34.2°F (1.2°C).Temperature
The onset of December entails a temperature shift, as the average high-temperature decreases from a cool 55.2°F (12.9°C) in November to a chilly 45.9°F (7.7°C). Dulaney observes an average nighttime low-temperature of 34.2°F (1.2°C) during the month of December.Humidity
In December, the average relative humidity is 78%.Rainfall
In Dulaney, during December, the rain falls for 10 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, in Dulaney, there are 145 rainfall days, and 26.93" (684mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Dulaney, in December, snow falls for 2 days, with typically accumulated 0.28" (7mm) of snow. In Dulaney, during the entire year, snow falls for 11 days and aggregates up to 2.8" (71mm) of snow.Daylight
December has the shortest days of the year in Dulaney, with an average of 9h and 42min of daylight.On the first day of December in Dulaney, sunrise is at 6:47 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 4:45 pm CST.
Sunshine
In Dulaney, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Dulaney are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dulaney, KY
- Average high temperature in December: 45.9°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 34.2°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in December
Dulaney, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Dulaney, KY
- Average wind speed in December: 8.6mph
The windiest months (with the highest average wind speed) are January, February and April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in December
Dulaney, KY
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Dulaney, KY
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is April (3.03").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in December
Dulaney, KY
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
Dulaney, KY
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Dulaney, KY
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is January (4.1 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
Dulaney, 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 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Dulaney, KY
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in December
Dulaney, 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
Dulaney, KY
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June, August and September (Cloud cover 29).
Average visibility in December
Dulaney, 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).





