December weather forecast
Milton, DE

englishespañol中文
Share

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

Milton's December weather shows a modest shift in high-temperatures, falling from November's fresh 54.9°F (12.7°C) to a frosty 47.1°F (8.4°C). Milton reports an average low-temperature of 37.8°F (3.2°C) during the nights of December.

Humidity

In Milton, the average relative humidity in December 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

Months with snowfall are January through March, May, November and December. In Milton, in December, during 2.1 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Milton, during the entire year, snow falls for 10.7 days and aggregates up to 1.97" (50mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
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 Milton, Delaware, the average sunshine in December is 5.3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What are the temperatures in December?

The high-temperature, in December, in Milton, is 47.1°F (8.4°C), while the low-temperature averages to 37.8°F (3.2°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in August is computed to be 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 76%.

How many days does it rain in December?

In Milton, in December, it is raining for 9.2 days, with typically 0.83" (21mm) of accumulated precipitation.

How much does it snow in December?

In Milton, during December, snow falls for 2.1 days and regularly aggregates up to 0.43" (11mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Milton have in December?

The average day length in December is 9h and 31min.

When is the sunrise / sunset in December?

In December, on the first day of the month, 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.

How long on average sun shines in December?

In December, the average sunshine duration is 5.3h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

In Milton, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Milton, DE

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Milton, DE
  • Average daylight in December: 9h and 3min

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 2min

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 - 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 - 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 - 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 - 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).

Milton, Delaware, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location