December weather forecast
Farmingdale, NY

Weather in December

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

Temperature

In Farmingdale, the average high-temperature in December slightly decreases from a cool 51.6°F (10.9°C) in November to a frosty 43.7°F (6.5°C). The average low-temperature, in December, is 36.7°F (2.6°C).

Humidity

In December, the average relative humidity is 74%.

Rainfall

In December, the rain falls for 9.3 days. Throughout December, 1.14" (29mm) of precipitation is accumulated. In Farmingdale, during the entire year, the rain falls for 128.1 days and collects up to 12.56" (319mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In Farmingdale, during 1.7 snowfall days, 0.24" (6mm) of snow is typically accumulated. Throughout the year, in Farmingdale, there are 12 snowfall days, and 1.26" (32mm) of snow is accumulated.

Daylight

With an average of 9h and 19min of daylight, December has the shortest days of the year.
On the first day of December in Farmingdale, sunrise is at 6:58 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:36 pm EST.

Sunshine

The average sunshine in December is 4.9h.

UV index

The months with the lowest UV index in Farmingdale are January through March and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Farmingdale?

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

How many days does it rain in December in Farmingdale?

In Farmingdale, during December, the rain falls for 9.3 days and regularly aggregates up to 1.14" (29mm) of precipitation.

How much does it snow in Farmingdale in December?

In December, in Farmingdale, it is snowing for 1.7 days. Throughout December, 0.24" (6mm) of snow is accumulated.

What is the month with the shortest days in Farmingdale?

With an average of 9h and 19min of daylight, December has the shortest days of the year in Farmingdale, New York.

How many hours of daylight does Farmingdale have in December?

In December, the average day length in Farmingdale, New York, is 9h and 19min.

What time are sunrise and sunset in December in Farmingdale?

In December, on the first day of the month, sunrise is at 6:58 am and sunset at 4:27 pm. On the last day of the month, in Farmingdale, New York, sunrise is at 7:17 am and sunset at 4:36 pm EST.

How long on average sun shines in December in Farmingdale?

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

When is the lowest UV index in Farmingdale?

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

What is the UV index intensity in December in Farmingdale?

In December, the average daily maximum UV index in Farmingdale is 2. A UV Index of 2, and less, symbolizes 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
Farmingdale, NY

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

The warmest month (with the highest average high temperature) is July (79.2°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
Farmingdale, NY

Average pressure in December - Farmingdale, 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
Farmingdale, NY

Average wind speed in December - Farmingdale, NY
  • Average wind speed in December: 12.8mph

The windiest month (with the highest average wind speed) is January (13.3mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).

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Average humidity in December
Farmingdale, NY

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

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in December
Farmingdale, NY

Average rainfall in December - Farmingdale, NY
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is July (1.73").
The driest month (with the least rainfall) is February (0.59").

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Average rainfall days in December
Farmingdale, NY

Average rainfall days in December - Farmingdale, NY
  • Average rainfall days in December: 9.3 days

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is January (5.9 days).

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Average snowfall in December
Farmingdale, NY

Average snowfall in December - Farmingdale, NY
  • Average snowfall in December: 0.24"

The month with the highest snowfall is March (0.35").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Farmingdale, NY

Average snowfall days in December - Farmingdale, NY
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is February (3.8 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
Farmingdale, NY

Average daylight in December / Average sunshine in December - Farmingdale, NY
  • Average daylight in December: 9h and 19min

The month with the longest days is June (Average daylight: 15h and 3min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in December: 4h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in December
Farmingdale, NY

Average sunshine days in December - Farmingdale, NY
  • Average sunshine days in December: 19.8 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (14 days).

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Average UV index in December
Farmingdale, NY

Average UV index in December - Farmingdale, 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
Farmingdale, NY

Average cloud cover in December - Farmingdale, 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
Farmingdale, NY

Average visibility in December - Farmingdale, 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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