December weather forecast and climate
Fenwick Island, DE

Weather in December

The first month of the winter, December, is still a chilly month in Fenwick Island, Delaware, with average temperature varying between 39.7°F (4.3°C) and 47.8°F (8.8°C).

Temperature

In Fenwick Island, the average high-temperature in December marginally drops, from a cool 55°F (12.8°C) in November, to a chilly 47.8°F (8.8°C). In December, in Fenwick Island, the average low-temperature is 39.7°F (4.3°C).

Humidity

The average relative humidity in Fenwick Island is 76%.

Rainfall

In Fenwick Island, Delaware, during 11.2 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 144.6 rainfall days, and 25.51" (648mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Fenwick Island, during December, snow falls for 1.7 days and regularly aggregates up to 0.35" (9mm) of snow. In Fenwick Island, during the entire year, snow falls for 8.8 days, and aggregates up to 2.48" (63mm) of snow.

Daylight

With an average of 9.5h of daylight, December has the shortest days of the year in Fenwick Island, Delaware.

Sunshine

Months with the least sunshine are February and December, with an average of 5.1h of sunshine.

UV index

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 minimal health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
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 Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 Fenwick Island?

In Fenwick Island, Delaware, in December, the average high-temperature is 47.8°F (8.8°C), and the average low-temperature is 39.7°F (4.3°C).

What is the average humidity in December in Fenwick Island?

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

How many days does it rain in December in Fenwick Island?

In December, in Fenwick Island, Delaware, the rain falls for 11.2 days. Throughout December, 1.69" (43mm) of precipitation is accumulated.

How many days does it snow in December in Fenwick Island?

In December, in Fenwick Island, it is snowing for 1.7 days. Throughout December, 0.35" (9mm) of snow is accumulated.

What is the month with the shortest days in Fenwick Island?

December has the shortest days of the year, with an average of 9.5h of daylight.

How many hours of daylight does Fenwick Island have in December?

In Fenwick Island, Delaware, the average length of the day in December is 9.5h.

What is the month with the least sunshine in Fenwick Island?

February and December, with an average of 5.1h of sunshine, are months with the least sunshine.

How many hours of sunshine does Fenwick Island have in December?

The average sunshine in December in Fenwick Island, Delaware, is 5.1h.

When is the lowest UV index in Fenwick Island?

Months with the lowest UV index in Fenwick Island are January and December, with an average maximum UV index of 2.

How high is the UV index in December in Fenwick Island?

In Fenwick Island, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.

Average temperature in December
Fenwick Island, DE

Average temperature in December - Fenwick Island, DE
  • Average high temperature in December: 47.8°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (42.1°F).

  • Average low temperature in December: 39.7°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).

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Average pressure in December
Fenwick Island, DE

Average pressure in December - Fenwick Island, DE
  • Average pressure in December: 30.1"

The month with the highest atmospheric pressure is November (30.12").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in December
Fenwick Island, DE

Average wind speed in December - Fenwick Island, DE
  • Average wind speed in December: 12.2mph

The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

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Average humidity in December
Fenwick Island, DE

Average humidity in December - Fenwick Island, DE
  • Average humidity in December: 76%

The month with the highest relative humidity is May (82%).
Months with the lowest relative humidity are January and November (74%).

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Average rainfall in December
Fenwick Island, DE

Average rainfall in December - Fenwick Island, DE
  • Average rainfall in December: 1.69"

The wettest months (with the highest rainfall) are July and August (2.87").
The driest month (with the least rainfall) is January (1.5").

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Average rainfall days in December
Fenwick Island, DE

Average rainfall days in December - Fenwick Island, DE
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (7.4 days).

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Average snowfall in December
Fenwick Island, DE

Average snowfall in December - Fenwick Island, DE
  • Average snowfall in December: 0.35"

The month with the highest snowfall is February (0.87").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Fenwick Island, DE

Average snowfall days in December - Fenwick Island, DE
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is January (2.6 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Fenwick Island, DE

Average daylight in December / Average sunshine in December - Fenwick Island, DE
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 5.1h

The month with the most sunshine is July (Average sunshine: 10.9h).
Months with the least sunshine are February and December (Average sunshine: 5.1).

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Average sunshine days in December
Fenwick Island, DE

Average sunshine days in December - Fenwick Island, DE
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in December
Fenwick Island, DE

Average UV index in December - Fenwick Island, DE
  • Average UV index in December: 2

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in December
Fenwick Island, DE

Average cloud cover in December - Fenwick Island, DE
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in December
Fenwick Island, DE

Average visibility in December - Fenwick Island, DE
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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