December weather forecast
East Greenbush, NY

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Weather in December

The first month of the winter, December, is also a wintry month in East Greenbush, New York, with an average temperature fluctuating between 24.1°F (-4.4°C) and 34.7°F (1.5°C).

Temperature

With December's onset, the average high-temperature recedes from November's chilly 45.3°F (7.4°C) to a wintry 34.7°F (1.5°C). In East Greenbush, the average temperature during the nights of December drops to a freezing cold 24.1°F (-4.4°C).

Humidity

The average relative humidity in December is 82%.

Rainfall

In East Greenbush, in December, during 10.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, in East Greenbush, there are 151.6 rainfall days, and 28.78" (731mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 7.8 days. Throughout December, 4.61" (117mm) of snow is accumulated. In East Greenbush, during the entire year, snow falls for 41.1 days and aggregates up to 18.9" (480mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:22 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:31 pm EST.

Sunshine

In December, the average sunshine is 4.2h.

UV index

January and December, with an average maximum UV index of 1, 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 the average person.
Note: A maximum high daily UV index of 1 during December translates into the following directions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

How cold is December?

In December, in East Greenbush, the average high-temperature is 34.7°F (1.5°C), and the average low-temperature is 24.1°F (-4.4°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in July is computed to be 86°F (30°C).

What is the average humidity in December in East Greenbush?

In December, the average relative humidity is 82%.

How many days does it rain in December?

In East Greenbush, in December, during 10.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

How much does it snow in December?

In East Greenbush, in December, during 7.8 snowfall days, 4.61" (117mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

What is the average length of the day in December?

In East Greenbush, the average day length in December is 9h and 7min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:31 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.2h.

When is the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

How high is the UV index in December?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
East Greenbush, NY

Average temperature in December - East Greenbush, NY
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in December: 24.1°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in December
East Greenbush, NY

Average pressure in December - East Greenbush, 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 (29.92"Hg).

Average wind speed in December
East Greenbush, NY

Average wind speed in December - East Greenbush, NY
  • Average wind speed in December: 7.9mph

The windiest months (with the highest average wind speed) are January, February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
East Greenbush, NY

Average humidity in December - East Greenbush, NY
  • Average humidity in December: 82%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).

Average rainfall in December
East Greenbush, NY

Average rainfall in December - East Greenbush, NY
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (1.61").

Average rainfall days in December
East Greenbush, NY

Average rainfall days in December - East Greenbush, NY
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in December
East Greenbush, NY

Average snowfall in December - East Greenbush, NY
  • Average snowfall in December: 4.61"

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
East Greenbush, NY

Average snowfall days in December - East Greenbush, NY
  • Average snowfall days in December: 7.8 days

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
East Greenbush, NY

Average daylight in December / Average sunshine in December - East Greenbush, NY
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in December
East Greenbush, NY

Average sunshine days in December - East Greenbush, NY
  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (11.4 days).

Average UV index in December
East Greenbush, NY

Average UV index in December - East Greenbush, NY
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
East Greenbush, NY

Average cloud cover in December - East Greenbush, NY
  • Average cloud cover in December: 55

The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 34).

Average visibility in December
East Greenbush, NY

Average visibility in December - East Greenbush, NY
  • Average visibility in December: 6mi

The months with the highest visibility are April, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September and October (5mi).

East Greenbush, New York, USA

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