December weather forecast
Eastport, NY

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Weather in December

The first month of the winter, December, is also a frosty month in Eastport, New York, with an average temperature varying between 38.1°F (3.4°C) and 45.3°F (7.4°C).

Temperature

As Eastport enters December, the average high-temperature subtly lowers from the a cool 52.7°F (11.5°C) of November to a frosty 45.3°F (7.4°C). The December average low temperature, marginally lower than the daytime high, records at a cold 38.1°F (3.4°C).

Humidity

In December, the average relative humidity in Eastport is 74%.

Rainfall

In Eastport, in December, it is raining for 11 days, with typically 2.95" (75mm) of accumulated precipitation. In Eastport, during the entire year, the rain falls for 148 days and collects up to 29.76" (756mm) of precipitation.

Snowfall

January through March, May and December are months with snowfall in Eastport. December is the first month it typically snows in Eastport. Throughout December, in the average 2.3 snowfall days, it receives 0.79" (20mm) of snow. Throughout the year, there are 12.9 snowfall days, and 4.45" (113mm) of snow is accumulated.

Ocean temperature

In December, the average ocean temperature is 48.9°F (9.4°C).
Note: Swimming in 48.9°F (9.4°C) is deemed hazardous. Exposure to temperatures below 50°F (10°C) leads to immediate severe cold shock and hyperventilation.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 6:56 am and sunset at 4:23 pm. On the last day of December, in Eastport, sunrise is at 7:15 am and sunset at 4:33 pm EST.

Sunshine

The months with the least sunshine in Eastport are February and December, with an average of 4.8h of sunshine.

UV index

The months with the lowest UV index in Eastport are January through March and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What are December temperatures in Eastport?

In Eastport, 45.3°F (7.4°C) is the average high-temperature and 38.1°F (3.4°C) is the average low-temperature during December.

What is the average humidity in December in Eastport?

The average relative humidity in December in Eastport is 74%.

How much does it rain in Eastport in December?

In Eastport, New York, in December, during 11 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

When does it start snowing in Eastport?

December is the first month it typically snows. Throughout December, in the average 2.3 snowfall days, it receives 0.79" (20mm) of snow.

What is the ocean temperature in December in Eastport?

In Eastport, New York, in December, the average water temperature is 48.9°F (9.4°C). Swimming in 48.9°F (9.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Eastport?

December has the shortest days of the year in Eastport, New York, with an average of 9h and 18min of daylight.

How many hours of daylight does Eastport have in December?

In December, the average day length in Eastport is 9h and 18min.

What time are sunrise and sunset in December in Eastport?

In December, on the first day of the month, sunrise is at 6:56 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:33 pm EST.

What are the months with the least sunshine in Eastport?

The months with the least sunshine in Eastport, New York, are February and December, with an average of 4.8h of sunshine.

How long on average sun shines in December in Eastport?

In Eastport, New York, the average sunshine duration in December is 4.8h.

What are the months with the lowest UV index in Eastport?

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

What is the UV index reading in December in Eastport?

In December, the average daily maximum UV index in Eastport is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Eastport, NY

Average temperature in December - Eastport, NY
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 38.1°F

The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

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Average pressure in December
Eastport, NY

Average pressure in December - Eastport, NY
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Eastport, NY

Average wind speed in December - Eastport, NY
  • Average wind speed in December: 15mph

The windiest month (with the highest average wind speed) is January (15.4mph).
The calmest month (with the lowest average wind speed) is July (10.2mph).

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Average humidity in December
Eastport, NY

Average humidity in December - Eastport, NY
  • Average humidity in December: 74%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (72%).

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Average rainfall in December
Eastport, NY

Average rainfall in December - Eastport, NY
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is January (1.89").

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Average rainfall days in December
Eastport, NY

Average rainfall days in December - Eastport, NY
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in December
Eastport, NY

Average snowfall in December - Eastport, NY
  • Average snowfall in December: 0.79"

The month with the highest snowfall is March (1.54").
The months with the least snowfall are April, June, July, August, September, October and November (0").

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Average snowfall days in December
Eastport, NY

Average snowfall days in December - Eastport, NY
  • Average snowfall days in December: 2.3 days

The month with the highest number of snowfall days is February (3.9 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
Eastport, NY

Average sea temperature in December - Eastport, NY
  • Average sea temperature in December: 48.9°F

The best month for swimming (with the highest average sea temperature) is August (73.7°F).
The coldest month (with the lowest average sea temperature) is February (38°F).

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Average daylight in December /
Average sunshine in December
Eastport, NY

Average daylight in December / Average sunshine in December - Eastport, NY
  • Average daylight in December: 9h and 2min

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 18min).

  • Average sunshine in December: 4h and 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in December
Eastport, NY

Average sunshine days in December - Eastport, NY
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (12.6 days).

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Average UV index in December
Eastport, NY

Average UV index in December - Eastport, NY
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

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Average cloud cover in December
Eastport, NY

Average cloud cover in December - Eastport, NY
  • Average cloud cover in December: 50

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in December
Eastport, NY

Average visibility in December - Eastport, NY
  • 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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Eastport, New York, USA

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