December weather forecast
East Hampton, CT

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Weather in December

The first month of the winter, December, is also a wintry month in East Hampton, Connecticut, with an average temperature ranging between max 40.3°F (4.6°C) and min 29.7°F (-1.3°C).

Temperature

A decrease in the average high-temperature is observed during December, shifting from a chilly 49.6°F (9.8°C) in November to an icy 40.3°F (4.6°C). Throughout December, East Hampton experiences a low-temperature average of 29.7°F (-1.3°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

December is the month with the most rainfall in East Hampton. Rain falls for 6.8 days and accumulates 1.02" (26mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in East Hampton. In East Hampton, in December, snow falls for 4.1 days, with typically accumulated 0.75" (19mm) of snow. In East Hampton, during the entire year, snow falls for 22.3 days and aggregates up to 3.82" (97mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 6:57 am and sunset at 4:20 pm. On the last day of December, in East Hampton, sunrise is at 7:16 am and sunset at 4:30 pm EST.

Sunshine

February and December, with an average of 4.6h of sunshine, are months with the least sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily UV index of 1 turns into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

Is it cold in East Hampton during December?

In December, in East Hampton, the average high-temperature is 40.3°F (4.6°C), and the average low-temperature is 29.7°F (-1.3°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 87.8°F (31°C).

What is the average humidity in December in East Hampton?

In December, the average relative humidity in East Hampton, Connecticut, is 76%.

What is the rainiest month in East Hampton?

December is the month with the most rainfall in East Hampton, Connecticut. Rain falls for 6.8 days and accumulates 1.02" (26mm) of precipitation.

How much does it rain in East Hampton in December?

In East Hampton, Connecticut, in December, during 6.8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

How much does it snow in East Hampton in December?

In East Hampton, Connecticut, in December, during 4.1 snowfall days, 0.75" (19mm) of snow is typically accumulated.

What is the month with the shortest days in East Hampton?

With an average of 9h and 12min of daylight, December has the shortest days of the year in East Hampton.

How many hours of daylight does East Hampton have in December?

In December, the average day length in East Hampton, Connecticut, is 9h and 13min.

When are sunrise and sunset in December in East Hampton?

On the first day of December, sunrise is at 6:57 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:30 pm EST.

What is the month with the least sunshine in East Hampton?

February and December, with an average of 4.6h of sunshine, are months with the least sunshine in East Hampton, Connecticut.

How long on average sun shines in December in East Hampton?

The average sunshine duration in December in East Hampton is 4.6h.

What is the month with the lowest UV index in East Hampton?

December is the month with the lowest UV index, with an average maximum UV index of 1.

What is the UV index intensity in December in East Hampton?

In East Hampton, Connecticut, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to 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
East Hampton, CT

Average temperature in December - East Hampton, CT
  • Average high temperature in December: 40.3°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in December: 29.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

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Average pressure in December
East Hampton, CT

Average pressure in December - East Hampton, CT
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
East Hampton, CT

Average wind speed in December - East Hampton, CT
  • Average wind speed in December: 8.3mph

The windiest months (with the highest average wind speed) are January and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in December
East Hampton, CT

Average humidity in December - East Hampton, CT
  • Average humidity in December: 76%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in December
East Hampton, CT

Average rainfall in December - East Hampton, CT
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is December (1.02").
The driest month (with the least rainfall) is September (0.35").

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Average rainfall days in December
East Hampton, CT

Average rainfall days in December - East Hampton, CT
  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is January (5.1 days).

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Average snowfall in December
East Hampton, CT

Average snowfall in December - East Hampton, CT
  • Average snowfall in December: 0.75"

The month with the highest snowfall is March (1.26").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
East Hampton, CT

Average snowfall days in December - East Hampton, CT
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is February (6.4 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
East Hampton, CT

Average daylight in December / Average sunshine in December - East Hampton, CT
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

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Average sunshine days in December
East Hampton, CT

Average sunshine days in December - East Hampton, CT
  • Average sunshine days in December: 20.2 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (17.1 days).

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Average UV index in December
East Hampton, CT

Average UV index in December - East Hampton, CT
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
East Hampton, CT

Average cloud cover in December - East Hampton, CT
  • Average cloud cover in December: 49

The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in December
East Hampton, CT

Average visibility in December - East Hampton, CT
  • Average visibility in December: 6mi

The months with the highest visibility are January, March, April, September, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July and August (5mi).

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East Hampton, Connecticut, USA

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