December weather forecastMilton, DE
December
Weather in December
December ushers in the winter season in full swing, with temperatures dipping to 37.8°F (3.2°C). Milton experiences a cold snap with the city marooned under a winter's chill. The year wraps up with shorter days, Christmas cheer and blustery winds. A pristine layer of snow starts to take shape, bringing a distinct feel of Yuletide everywhere. The city paints a picture of a perfect winter wonderland, prepping residents for the new year under an envelop of frosty weather.Temperature
In Milton, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's cool 54.9°F (12.7°C) to a frosty 47.1°F (8.4°C). Milton records an average temperature drop to a cold 37.8°F (3.2°C) in December.Humidity
The average relative humidity in December in Milton is 76%.Rainfall
In December, the rain falls for 9.2 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. In Milton, during the entire year, the rain falls for 124.9 days and collects up to 11.34" (288mm) of precipitation.Snowfall
January through March, May, November and December are months with snowfall. In December, it is snowing for 2.1 days. Throughout December, 0.43" (11mm) of snow is accumulated. In Milton, during the entire year, snow falls for 10.7 days and aggregates up to 1.97" (50mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:49 pm EST.
Sunshine
In December, the average sunshine in Milton is 5.3h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Milton, DE
- Average high temperature in December: 47.1°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Milton, DE
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Milton, DE
- Average wind speed in December: 10.2mph
The windiest months (with the highest average wind speed) are January and February (10.8mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in December
Milton, DE
- Average humidity in December: 76%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in December
Milton, DE
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is August (1.38").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in December
Milton, DE
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in December
Milton, DE
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in December
Milton, DE
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Milton, DE
- Average daylight in December: 9h and 30min
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 30min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
Milton, DE
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Milton, DE
- 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 and December (UV index 2).
Average cloud cover in December
Milton, DE
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Milton, DE
- 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).





