December weather forecastMilford, DE
December
Weather in December
December brings full-circle to the climatic pattern in Milford, characterized by cold temperatures and snowfall. The month experiences an increased snowfall from November, registering at 0.83" (21mm). Daylight hours decrease further along with a dip in sunshine duration. Despite chilly temperatures, rainfall persists, and winds blow moderately. As the year ends, Milford is well within the grip of winter once again.Temperature
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a cool 54.5°F (12.5°C) in November to a frosty 46.8°F (8.2°C). Milford's nighttime temperature during December is consistently averaged at a wintry 36.3°F (2.4°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Milford, in December, during 10.2 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 152.4 rainfall days, and 25.94" (659mm) of precipitation is accumulated.Snowfall
January through March, May, November and December are months with snowfall in Milford. In December, it is snowing for 1.7 days. Throughout December, 0.83" (21mm) of snow is accumulated. Throughout the year, there are 10.4 snowfall days, and 4.29" (109mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:49 pm EST.
Sunshine
The average sunshine in December is 5.2h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Milford, DE
- Average high temperature in December: 46.8°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in December: 36.3°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Milford, 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
Milford, DE
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is February (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Milford, DE
- Average humidity in December: 77%
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
Milford, DE
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in December
Milford, DE
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Milford, DE
- Average snowfall in December: 0.83"
The month with the highest snowfall is January (1.22").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in December
Milford, DE
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Milford, DE
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Milford, DE
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in December
Milford, 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
Milford, DE
- Average cloud cover in December: 44
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Milford, 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).





