December weather forecast
Bayville, NY

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Weather in December

December, the first month of the winter in Bayville, is also a wintry month, with an average temperature varying between 34.7°F (1.5°C) and 42.4°F (5.8°C).

Temperature

With the beginning of December, the average high-temperature shows a small decrease, transitioning from a cool 51.1°F (10.6°C) in November to an icy 42.4°F (5.8°C). Bayville registers a steady nighttime temperature averaging 34.7°F (1.5°C) throughout December.

Humidity

February, May and December, with an average relative humidity of 75%, are the most humid months in Bayville.

Rainfall

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

Snowfall

January through April, November and December are months with snowfall in Bayville. In Bayville, New York, in December, during 3.5 snowfall days, 1.54" (39mm) of snow is typically accumulated. In Bayville, during the entire year, snow falls for 22.2 days and aggregates up to 7.24" (184mm) of snow.

Ocean temperature

In Bayville, in December, the average water temperature is 48°F (8.9°C).
Note: While a brief time in 48°F (8.9°C) at 55.4°F (13°C) is already bracing, plunging below 50°F (10°C) can severely affect breathing and introduce a cold shock, relying on your physical state.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Bayville.
On the first day of December in Bayville, sunrise is at 7:00 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:36 pm EST.

Sunshine

In Bayville, the average sunshine in December is 4.9h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

Is December cold in Bayville?

In Bayville, 42.4°F (5.8°C) is the average high-temperature and 34.7°F (1.5°C) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in July is estimated at 86°F (30°C).

What is the most humid month in Bayville?

February, May and December, with an average relative humidity of 75%, are most humid months in Bayville.

What is the average humidity in December in Bayville?

In Bayville, the average relative humidity in December is 75%.

What is the wettest month in Bayville?

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

How many days does it rain in December in Bayville?

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

How many days does it snow in December in Bayville?

In Bayville, New York, during December, snow falls for 3.5 days and regularly aggregates up to 1.54" (39mm) of snow.

What is the ocean temperature in December in Bayville?

In December, the average ocean temperature in Bayville, New York, is 48°F (8.9°C). Swimming in 48°F (8.9°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 Bayville?

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

How many hours of daylight does Bayville have in December?

In Bayville, the average day length in December is 9h and 17min.

What time are sunrise and sunset in December in Bayville?

In December, on the first day of the month, sunrise is at 7:00 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:36 pm EST.

How long on average sun shines in December in Bayville?

In December, the average sunshine duration in Bayville, New York, is 4.9h.

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

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Bayville, New York.

What is the UV index intensity in December in Bayville?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from 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
Bayville, NY

Average temperature in December - Bayville, NY
  • Average high temperature in December: 42.4°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in December: 34.7°F

The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

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Average pressure in December
Bayville, NY

Average pressure in December - Bayville, NY
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Bayville, NY

Average wind speed in December - Bayville, NY
  • Average wind speed in December: 10.8mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

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Average humidity in December
Bayville, NY

Average humidity in December - Bayville, NY
  • Average humidity in December: 75%

The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).

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Average rainfall in December
Bayville, NY

Average rainfall in December - Bayville, 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 (2.4").

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Average rainfall days in December
Bayville, NY

Average rainfall days in December - Bayville, NY
  • Average rainfall days in December: 12.9 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).

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Average snowfall in December
Bayville, NY

Average snowfall in December - Bayville, NY
  • Average snowfall in December: 1.54"

The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Bayville, NY

Average snowfall days in December - Bayville, NY
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is January (6.8 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
Bayville, NY

Average sea temperature in December - Bayville, NY
  • Average sea temperature in December: 48.1°F

The best month for swimming (with the highest average sea temperature) is August (74.1°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
Bayville, NY

Average daylight in December / Average sunshine in December - Bayville, 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 month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in December
Bayville, NY

Average sunshine days in December - Bayville, NY
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in December
Bayville, NY

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

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Average cloud cover in December
Bayville, NY

Average cloud cover in December - Bayville, NY
  • Average cloud cover in December: 47

The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in December
Bayville, NY

Average visibility in December - Bayville, 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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Bayville, New York, USA

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