December weather forecast
Georgetown, DE

Weather in December

The first month of the winter, December, is also a frosty month in Georgetown, Delaware, with an average temperature ranging between min 37.4°F (3°C) and max 47.3°F (8.5°C).

Temperature

In Georgetown, Delaware, the average high-temperature in December marginally drops from a fresh 55°F (12.8°C) in November to a chilly 47.3°F (8.5°C). In December, in Georgetown, the average low-temperature is 37.4°F (3°C).

Humidity

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

Rainfall

In Georgetown, Delaware, in December, during 10 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 151.1 rainfall days, and 26.02" (661mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Georgetown, Delaware, are January through March, November and December. In Georgetown, during 1.9 snowfall days, 0.91" (23mm) of snow is typically accumulated. In Georgetown, during the entire year, snow falls for 10.9 days and aggregates up to 4.29" (109mm) of snow.

Daylight

With an average of 9h and 31min of daylight, December has the shortest days of the year in Georgetown.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:40 pm. On the last day of December, in Georgetown, Delaware, sunrise is at 7:19 am and sunset at 4:49 pm EST.

Sunshine

In December, the average sunshine 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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Georgetown?

In December, in Georgetown, the average high-temperature is 47.3°F (8.5°C), and the average low-temperature is 37.4°F (3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in August is appraised at 87.8°F (31°C).

What is the average humidity in December in Georgetown?

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

How many days does it rain in December in Georgetown?

In December, the rain falls for 10 days. Throughout December, 1.89" (48mm) of precipitation is accumulated.

How much does it snow in Georgetown in December?

In Georgetown, Delaware, in December, during 1.9 snowfall days, 0.91" (23mm) of snow is typically accumulated.

What is the month with the shortest days in Georgetown?

December has the shortest days of the year in Georgetown, with an average of 9h and 31min of daylight.

How many hours of daylight does Georgetown have in December?

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

When are sunrise and sunset in December in Georgetown?

On the first day of December in Georgetown, sunrise is at 7:00 am and sunset at 4:40 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 Georgetown?

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

When is the lowest UV index in Georgetown?

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

How high is the UV index in December in Georgetown?

In December, the average daily maximum UV index in Georgetown, Delaware, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Georgetown, DE

Average temperature in December - Georgetown, DE
  • Average high temperature in December: 47.3°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (41.4°F).

  • Average low temperature in December: 37.4°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in December
Georgetown, DE

Average pressure in December - Georgetown, 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
Georgetown, DE

Average wind speed in December - Georgetown, DE
  • Average wind speed in December: 9.7mph

The windiest month (with the highest average wind speed) is February (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

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Average humidity in December
Georgetown, DE

Average humidity in December - Georgetown, 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
Georgetown, DE

Average rainfall in December - Georgetown, 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 (1.57").

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Average rainfall days in December
Georgetown, DE

Average rainfall days in December - Georgetown, DE
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in December
Georgetown, DE

Average snowfall in December - Georgetown, DE
  • Average snowfall in December: 0.91"

The month with the highest snowfall is January (1.61").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Georgetown, DE

Average snowfall days in December - Georgetown, DE
  • Average snowfall days in December: 1.9 days

The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Georgetown, DE

Average daylight in December / Average sunshine in December - Georgetown, DE
  • Average daylight in December: 9h and 31min

The month with the longest days is June (Average daylight: 14h and 50min).
The month with the shortest days is December (Average daylight: 9h and 31min).

  • Average sunshine in December: 5h and 18min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in December
Georgetown, DE

Average sunshine days in December - Georgetown, DE
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is January (19.2 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in December
Georgetown, DE

Average UV index in December - Georgetown, 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
Georgetown, DE

Average cloud cover in December - Georgetown, DE
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in December
Georgetown, DE

Average visibility in December - Georgetown, 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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