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.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during December is 46.8°F (8.2°C) and the low-temperature is 36.3°F (2.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

In Milford, the average relative humidity in December is 77%.

In December, the rain falls for 10.2 days. Throughout December, 1.89" (48mm) of precipitation is accumulated.

In Milford, in December, during 1.7 snowfall days, 0.83" (21mm) of snow is typically accumulated.

With an average of 9h and 30min of daylight, December has the shortest days of the year.

In December, the average day length is 9h and 29min.

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:40 pm. On the last day of the month, in Milford, sunrise is at 7:20 am and sunset at 4:49 pm EST.

In December, the average sunshine duration is 5.2h.

January and December, with an average maximum UV index of 2, are months with the lowest UV index.

In Milford, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).