December weather forecast
Edgemoor, DE

Weather in December

December, the first month of the winter in Edgemoor, is also a frosty month, with an average temperature ranging between max 44.1°F (6.7°C) and min 33.1°F (0.6°C).

Temperature

In December, the average high-temperature drops from a cool 53.2°F (11.8°C) in November to a frosty 44.1°F (6.7°C). In December, the average low-temperature is 33.1°F (0.6°C).

Humidity

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

Rainfall

In Edgemoor, during 10.1 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Edgemoor, during the entire year, the rain falls for 150.6 days and collects up to 26.46" (672mm) of precipitation.

Snowfall

Months with snowfall in Edgemoor are January through May, November and December. In December, in Edgemoor, it is snowing for 2.9 days. Throughout December, 0.98" (25mm) of snow is accumulated. In Edgemoor, during the entire year, snow falls for 16.2 days and aggregates up to 6.93" (176mm) of snow.

Ocean temperature

In Edgemoor, the average seawater temperature in December is 47.8°F (8.8°C).
Note: Swimming in 47.8°F (8.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The month with the shortest days in Edgemoor is December, with an average of 9h and 25min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 4:38 pm. On the last day of December, in Edgemoor, sunrise is at 7:22 am and sunset at 4:47 pm EST.

Sunshine

The average sunshine in December in Edgemoor is 5.1h.

UV index

The months with the lowest UV index are January, February, November 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 radiation for the average 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Edgemoor?

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

How many days does it rain in December in Edgemoor?

In Edgemoor, in December, during 10.1 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

How much does it snow in Edgemoor in December?

In Edgemoor, in December, during 2.9 snowfall days, 0.98" (25mm) of snow is typically accumulated.

What is the water temperature in December in Edgemoor?

In Edgemoor, Delaware, the average seawater temperature in December is 47.8°F (8.8°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the month with the shortest days in Edgemoor?

With an average of 9h and 25min of daylight, December has the shortest days of the year in Edgemoor.

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

In Edgemoor, Delaware, the average day length in December is 9h and 25min.

When is the sunrise / sunset in December in Edgemoor?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:38 pm. On the last day of the month, in Edgemoor, sunrise is at 7:22 am and sunset at 4:47 pm EST.

How long on average sun shines in December in Edgemoor?

The average sunshine duration in December is 5.1h.

What is the month with the lowest UV index in Edgemoor?

The months with the lowest UV index in Edgemoor, Delaware, are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Edgemoor?

In December, the average daily maximum UV index in Edgemoor is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
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
Edgemoor, DE

Average temperature in December - Edgemoor, DE
  • Average high temperature in December: 44.1°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 33.1°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

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Average pressure in December
Edgemoor, DE

Average pressure in December - Edgemoor, 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
Edgemoor, DE

Average wind speed in December - Edgemoor, DE
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Edgemoor, DE

Average humidity in December - Edgemoor, DE
  • Average humidity in December: 77%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in December
Edgemoor, DE

Average rainfall in December - Edgemoor, DE
  • Average rainfall in December: 2.64"

The wettest month (with the highest rainfall) is August (2.68").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in December
Edgemoor, DE

Average rainfall days in December - Edgemoor, DE
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in December
Edgemoor, DE

Average snowfall in December - Edgemoor, DE
  • Average snowfall in December: 0.98"

The month with the highest snowfall is March (2.2").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Edgemoor, DE

Average snowfall days in December - Edgemoor, DE
  • Average snowfall days in December: 2.9 days

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in December
Edgemoor, DE

Average sea temperature in December - Edgemoor, DE
  • Average sea temperature in December: 47.7°F

The best month for swimming (with the highest average sea temperature) is August (75.9°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).

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

Average daylight in December / Average sunshine in December - Edgemoor, DE
  • Average daylight in December: 9h and 25min

The month with the longest days is June (Average daylight: 14h and 56min).
The month with the shortest days is December (Average daylight: 9h and 25min).

  • Average sunshine in December: 5h and 6min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in December
Edgemoor, DE

Average sunshine days in December - Edgemoor, DE
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12.2 days).

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Average UV index in December
Edgemoor, DE

Average UV index in December - Edgemoor, 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, February, November and December (UV index 2).

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Average cloud cover in December
Edgemoor, DE

Average cloud cover in December - Edgemoor, DE
  • Average cloud cover in December: 45

The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in December
Edgemoor, DE

Average visibility in December - Edgemoor, 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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