December weather forecast
Milton, DE

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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

The onset of December in Milton brings a small shift in high-temperatures, falling from a cool 54.9°F (12.7°C) in November to a frosty 47.1°F (8.4°C). In the month of December, the average temperature in Milton dips to a cold 37.8°F (3.2°C) during the night.

Humidity

In December, the average relative humidity is 76%.

Rainfall

In Milton, in December, it is raining for 9.2 days, with typically 0.83" (21mm) of accumulated precipitation. 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 in Milton are January through March, May, November and December. In Milton, during December, snow falls for 2.1 days and regularly aggregates up to 0.43" (11mm) of snow. Throughout the year, there are 10.7 snowfall days, and 1.97" (50mm) 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 the month, sunrise is at 7:01 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:49 pm EST.

Sunshine

The average sunshine in December is 5.3h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Milton. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What are the temperatures in Milton in December?

In December, the average high-temperature and low-temperature in Milton, Delaware, are 47.1°F (8.4°C) and 37.8°F (3.2°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 86°F (30°C).

What is the average humidity in December in Milton?

In December, the average relative humidity in Milton, Delaware, is 76%.

How much does it rain in Milton in December?

In December, in Milton, Delaware, the rain falls for 9.2 days. Throughout December, 0.83" (21mm) of precipitation is accumulated.

How many days does it snow in December in Milton?

In Milton, Delaware, 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 in Milton?

The month with the shortest days in Milton, Delaware, is December, with an average of 9h and 30min of daylight.

What is the average length of the day in December in Milton?

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

When is the sunrise / sunset in December in Milton?

On the first day of December in Milton, 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 Milton?

In Milton, Delaware, the average sunshine duration in December is 5.3h.

When is the lowest UV index in Milton?

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

What is the UV index intensity in December in Milton?

In Milton, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Milton, Delaware, USA

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