December weather forecast
Franklin Square, NY

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Weather in December

The first month of the winter, December, is also a frosty month in Franklin Square, New York, with an average temperature fluctuating between 35.6°F (2°C) and 43.5°F (6.4°C).

Temperature

The arrival of December correlates with a minor temperature reduction, down from November's fresh 51.6°F (10.9°C) to a frosty 43.5°F (6.4°C). December nights document an average temperature reading of 35.6°F (2°C).

Humidity

In December, the average relative humidity is 74%.

Rainfall

In Franklin Square, during December, the rain falls for 11.7 days and regularly aggregates up to 3.66" (93mm) of precipitation. Throughout the year, there are 158.5 rainfall days, and 36.38" (924mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Franklin Square. In December, it is snowing for 2.7 days. Throughout December, 1.42" (36mm) of snow is accumulated. In Franklin Square, during the entire year, snow falls for 15.8 days and aggregates up to 5.91" (150mm) of snow.

Daylight

The month with the shortest days 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 Franklin Square, sunrise is at 7:18 am and sunset at 4:37 pm EST.

Sunshine

In December, the average sunshine in Franklin Square, New York, is 5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 2 during December leads to these instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

How cold is December in Franklin Square?

The average high-temperature and low-temperature in Franklin Square, New York, during December are 43.5°F (6.4°C) and 35.6°F (2°C) respectively.

What is the average humidity in December in Franklin Square?

In Franklin Square, New York, the average relative humidity in December is 74%.

How much does it rain in Franklin Square in December?

In Franklin Square, in December, it is raining for 11.7 days, with typically 3.66" (93mm) of accumulated precipitation.

How many days does it snow in December in Franklin Square?

In Franklin Square, New York, in December, snow falls for 2.7 days, with typically accumulated 1.42" (36mm) of snow.

What is the month with the shortest days in Franklin Square?

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

What is the average length of the day in December in Franklin Square?

The average day length in December in Franklin Square is 9h and 19min.

When are sunrise and sunset in December in Franklin Square?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:28 pm. On the last day of the month, in Franklin Square, sunrise is at 7:18 am and sunset at 4:37 pm EST.

How many hours of sunshine does Franklin Square have in December?

In December, the average sunshine duration in Franklin Square is 5h.

When is the lowest UV index in Franklin Square?

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

What is the UV index intensity in December in Franklin Square?

In December, the average daily maximum UV index in Franklin Square is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Franklin Square, NY

Average temperature in December - Franklin Square, NY
  • Average high temperature in December: 43.5°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in December: 35.6°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 (28.6°F).

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Average pressure in December
Franklin Square, NY

Average pressure in December - Franklin Square, 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
Franklin Square, NY

Average wind speed in December - Franklin Square, NY
  • Average wind speed in December: 11.9mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

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Average humidity in December
Franklin Square, NY

Average humidity in December - Franklin Square, NY
  • Average humidity in December: 74%

The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in December
Franklin Square, NY

Average rainfall in December - Franklin Square, NY
  • Average rainfall in December: 3.66"

The wettest month (with the highest rainfall) is July (4.13").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days in December
Franklin Square, NY

Average rainfall days in December - Franklin Square, NY
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (8 days).

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Average snowfall in December
Franklin Square, NY

Average snowfall in December - Franklin Square, NY
  • Average snowfall in December: 1.42"

The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Franklin Square, NY

Average snowfall days in December - Franklin Square, NY
  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Franklin Square, NY

Average daylight in December / Average sunshine in December - Franklin Square, 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: 5h and 0min

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
Franklin Square, NY

Average sunshine days in December - Franklin Square, NY
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in December
Franklin Square, NY

Average UV index in December - Franklin Square, 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
Franklin Square, NY

Average cloud cover in December - Franklin Square, NY
  • Average cloud cover in December: 47

The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in December
Franklin Square, NY

Average visibility in December - Franklin Square, 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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Franklin Square, New York, USA

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