December weather forecast
Hampton Bays, NY

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Weather in December

December, the first month of the winter in Hampton Bays, is still a chilly month, with an average temperature varying between 45.3°F (7.4°C) and 38.3°F (3.5°C).

Temperature

In December, the meteorological conditions change slightly, with the average high-temperature moving from a cool 52.9°F (11.6°C) in November to a frosty 45.3°F (7.4°C). During the nights of December, Hampton Bays records an average temperature of 38.3°F (3.5°C), a minor drop from daytime peaks.

Humidity

The average relative humidity in December is 74%.

Rainfall

The month with the most rainfall in Hampton Bays is December, when the rain falls for 12.9 days and typically aggregates up to 4.06" (103mm) of precipitation.

Snowfall

January through March, May and December are months with snowfall in Hampton Bays. December is the first month it typically snows in Hampton Bays, New York. Throughout December, in the average 2.3 snowfall days, it receives 0.91" (23mm) of snow. Throughout the year, in Hampton Bays, there are 15.4 snowfall days, and 5.43" (138mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Hampton Bays, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 6:55 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:32 pm EST.

Sunshine

The month with the least sunshine in Hampton Bays is December, with an average of 4.7h of sunshine.

UV index

The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 suggests this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What is the temperature in December in Hampton Bays?

During December, Hampton Bays experiences an average high-temperature of 45.3°F (7.4°C) and a low-temperature of 38.3°F (3.5°C).

What is the average humidity in December in Hampton Bays?

In Hampton Bays, New York, the average relative humidity in December is 74%.

What is the wettest month in Hampton Bays?

The month with the most rainfall in Hampton Bays is December, when the rain falls for 12.9 days and typically aggregates up to 4.06" (103mm) of precipitation.

How much does it rain in Hampton Bays in December?

In Hampton Bays, New York, in December, it is raining for 12.9 days, with typically 4.06" (103mm) of accumulated precipitation.

When does it start snowing in Hampton Bays?

December is the first month it typically snows. Throughout December, in the average 2.3 snowfall days, it receives 0.91" (23mm) of snow.

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

The month with the shortest days is December, with an average of 9h and 18min of daylight.

What is the average length of the day in December in Hampton Bays?

The average day length in December in Hampton Bays, New York, is 9h and 18min.

When is the sunrise / sunset in December in Hampton Bays?

In December, on the first day of the month, sunrise is at 6:55 am and sunset at 4:22 pm. On the last day of the month, in Hampton Bays, New York, sunrise is at 7:14 am and sunset at 4:32 pm EST.

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

The month with the least sunshine is December, with an average of 4.7h of sunshine.

How many hours of sunshine does Hampton Bays have in December?

In December, the average sunshine duration in Hampton Bays, New York, is 4.7h.

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

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

How high is the UV index in December in Hampton Bays?

The average daily maximum UV index in December in Hampton Bays, New York, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Hampton Bays, NY

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

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 38.3°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 (31.3°F).

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Average pressure in December
Hampton Bays, NY

Average pressure in December - Hampton Bays, NY
  • Average pressure in December: 30.05"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
Hampton Bays, NY

Average wind speed in December - Hampton Bays, NY
  • Average wind speed in December: 15.6mph

The windiest month (with the highest average wind speed) is January (15.9mph).
The calmest month (with the lowest average wind speed) is July (10.5mph).

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Average humidity in December
Hampton Bays, NY

Average humidity in December - Hampton Bays, NY
  • Average humidity in December: 74%

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

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Average rainfall in December
Hampton Bays, NY

Average rainfall in December - Hampton Bays, NY
  • Average rainfall in December: 4.06"

The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.01").

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Average rainfall days in December
Hampton Bays, NY

Average rainfall days in December - Hampton Bays, NY
  • Average rainfall days in December: 12.9 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.7 days).

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Average snowfall in December
Hampton Bays, NY

Average snowfall in December - Hampton Bays, NY
  • Average snowfall in December: 0.91"

The month with the highest snowfall is March (1.69").
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
Hampton Bays, NY

Average snowfall days in December - Hampton Bays, NY
  • Average snowfall days in December: 2.3 days

The month with the highest number of snowfall days is January (5.2 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
Hampton Bays, NY

Average daylight in December / Average sunshine in December - Hampton Bays, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

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Average sunshine days in December
Hampton Bays, NY

Average sunshine days in December - Hampton Bays, NY
  • Average sunshine days in December: 14 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.3 days).

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Average UV index in December
Hampton Bays, NY

Average UV index in December - Hampton Bays, 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
Hampton Bays, NY

Average cloud cover in December - Hampton Bays, NY
  • Average cloud cover in December: 51

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in December
Hampton Bays, NY

Average visibility in December - Hampton Bays, 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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Hampton Bays, New York, USA

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