December weather forecast
Rye Brook, NY

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Weather in December

The first month of the winter, December, is also a wintry month in Rye Brook, New York, with an average temperature ranging between max 41.5°F (5.3°C) and min 31.8°F (-0.1°C).

Temperature

Stepping into December, Rye Brook observes a temperature decline, with the average high falling from November's fresh 50.5°F (10.3°C) to an icy 41.5°F (5.3°C). Rye Brook's average low-temperature during December nights is observed to be a subzero cold 31.8°F (-0.1°C).

Humidity

February and December, with an average relative humidity of 76%, are the most humid months in Rye Brook.

Rainfall

The month with the most rainfall is December, when the rain falls for 12 days and typically aggregates up to 3.98" (101mm) of precipitation.

Snowfall

Months with snowfall in Rye Brook are January through April, November and December. In December, in Rye Brook, New York, it is snowing for 4.7 days. Throughout December, 2.32" (59mm) of snow is accumulated. In Rye Brook, during the entire year, snow falls for 27.1 days and aggregates up to 13.07" (332mm) of snow.

Daylight

The month with the shortest days in Rye Brook, New York, is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:27 pm. On the last day of December, in Rye Brook, New York, sunrise is at 7:19 am and sunset at 4:36 pm EST.

Sunshine

The average sunshine in December in Rye Brook is 4.9h.

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 value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold in Rye Brook during December?

In December, the average high-temperature and low-temperature in Rye Brook, New York, are 41.5°F (5.3°C) and 31.8°F (-0.1°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 84.2°F (29°C).

What are the most humid months in Rye Brook?

The months with the highest humidity are February and December, with an average relative humidity of 76%.

What is the average humidity in December in Rye Brook?

The average relative humidity in December is 76%.

What is the wettest month in Rye Brook?

The month with the most rainfall in Rye Brook, New York, is December, when the rain falls for 12 days and typically aggregates up to 3.98" (101mm) of precipitation.

How many days does it rain in December in Rye Brook?

In Rye Brook, in December, during 12 rainfall days, 3.98" (101mm) of precipitation is typically accumulated.

How many days does it snow in December in Rye Brook?

In Rye Brook, New York, in December, snow falls for 4.7 days, with typically accumulated 2.32" (59mm) of snow.

What is the month with the shortest days in Rye Brook?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Rye Brook.

What is the average length of the day in December in Rye Brook?

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

When is the sunrise / sunset in December in Rye Brook?

On the first day of December, sunrise is at 7:00 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:36 pm EST.

How many hours of sunshine does Rye Brook have in December?

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

What are the months with the lowest UV index in Rye Brook?

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

How high is the UV index in December in Rye Brook?

In Rye Brook, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Rye Brook, NY

Average temperature in December - Rye Brook, NY
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 31.8°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in December
Rye Brook, NY

Average pressure in December - Rye Brook, 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).

Average wind speed in December
Rye Brook, NY

Average wind speed in December - Rye Brook, NY
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity in December
Rye Brook, NY

Average humidity in December - Rye Brook, NY
  • Average humidity in December: 76%

The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are April and August (71%).

Average rainfall in December
Rye Brook, NY

Average rainfall in December - Rye Brook, NY
  • Average rainfall in December: 3.98"

The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is September (2.2").

Average rainfall days in December
Rye Brook, NY

Average rainfall days in December - Rye Brook, NY
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in December
Rye Brook, NY

Average snowfall in December - Rye Brook, NY
  • Average snowfall in December: 2.32"

The month with the highest snowfall is March (3.78").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Rye Brook, NY

Average snowfall days in December - Rye Brook, NY
  • Average snowfall days in December: 4.7 days

The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Rye Brook, NY

Average daylight in December / Average sunshine in December - Rye Brook, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Rye Brook, NY

Average sunshine days in December - Rye Brook, NY
  • Average sunshine days in December: 15.6 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in December
Rye Brook, NY

Average UV index in December - Rye Brook, 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).

Average cloud cover in December
Rye Brook, NY

Average cloud cover in December - Rye Brook, NY
  • Average cloud cover in December: 48

The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Rye Brook, NY

Average visibility in December - Rye Brook, 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).

Rye Brook, New York, USA

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