December weather forecast
Island Park, NY

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Weather in December

The first month of the winter, December, is still a chilly month in Island Park, New York, with an average temperature ranging between max 43.7°F (6.5°C) and min 36.7°F (2.6°C).

Temperature

A moderate decline in average high-temperatures is noted in December, moving from a cool 51.6°F (10.9°C) in November to a frosty 43.7°F (6.5°C). Island Park maintains a consistent average nighttime low-temperature of 36.7°F (2.6°C) throughout December.

Humidity

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

Rainfall

In Island Park, during December, the rain falls for 11.5 days and regularly aggregates up to 3.74" (95mm) of precipitation. In Island Park, during the entire year, the rain falls for 159.2 days and collects up to 37.17" (944mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Island Park, in December, during 2.1 snowfall days, 0.98" (25mm) of snow is typically accumulated. In Island Park, during the entire year, snow falls for 15.3 days and aggregates up to 5.04" (128mm) of snow.

Ocean temperature

In Island Park, the average seawater temperature in December is 48°F (8.9°C).
Note: Immersing oneself in 48°F (8.9°C) at sub14°F (-10°C) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.

Daylight

The month with the shortest days in Island Park is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:28 pm. On the last day of December, in Island Park, sunrise is at 7:18 am and sunset at 4:37 pm EST.

Sunshine

In December, the average sunshine is 4.9h.

UV index

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Boost your sun resistance with garments that are densely woven yet spacious. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

How cold does it get in Island Park in December?

The high-temperature, in December, in Island Park, is 43.7°F (6.5°C), while the low-temperature averages to 36.7°F (2.6°C).

What is the average humidity in December in Island Park?

The average relative humidity in December is 74%.

How much does it rain in Island Park in December?

In December, the rain falls for 11.5 days. Throughout December, 3.74" (95mm) of precipitation is accumulated.

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

In Island Park, in December, snow falls for 2.1 days, with typically accumulated 0.98" (25mm) of snow.

What is the water temperature in December in Island Park?

In Island Park, New York, the average seawater temperature in December 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 Island Park?

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

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

The average day length in December in Island Park is 9h and 20min.

When are sunrise and sunset in December in Island Park?

On the first day of December in Island Park, New York, sunrise is at 6:59 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:37 pm EST.

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

In December, the average sunshine duration is 4.9h.

When is the lowest UV index in Island Park?

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

What is the UV index intensity in December in Island Park?

In December, the average daily maximum UV index in Island Park 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
Island Park, NY

Average temperature in December - Island Park, NY
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in December: 36.7°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in December
Island Park, NY

Average pressure in December - Island Park, 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
Island Park, NY

Average wind speed in December - Island Park, NY
  • Average wind speed in December: 13.1mph

The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).

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Average humidity in December
Island Park, NY

Average humidity in December - Island Park, NY
  • Average humidity in December: 74%

The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in December
Island Park, NY

Average rainfall in December - Island Park, NY
  • Average rainfall in December: 3.74"

The wettest month (with the highest rainfall) is July (4.17").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days in December
Island Park, NY

Average rainfall days in December - Island Park, NY
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in December
Island Park, NY

Average snowfall in December - Island Park, NY
  • Average snowfall in December: 0.98"

The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Island Park, NY

Average snowfall days in December - Island Park, NY
  • Average snowfall days in December: 2.1 days

The months with the highest number of snowfall days are January and February (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in December
Island Park, NY

Average sea temperature in December - Island Park, 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
Island Park, NY

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

The month with the longest days is June (Average daylight: 15h and 0min).
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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in December
Island Park, NY

Average sunshine days in December - Island Park, NY
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.7 days).

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Average UV index in December
Island Park, NY

Average UV index in December - Island Park, 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
Island Park, NY

Average cloud cover in December - Island Park, NY
  • Average cloud cover in December: 48

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in December
Island Park, NY

Average visibility in December - Island Park, 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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Island Park, New York, USA

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