December weather forecast
Hastings-on-Hudson, NY

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Weather in December

The first month of the winter, December, is also a wintry month in Hastings-on-Hudson, New York, with an average temperature fluctuating between 30.9°F (-0.6°C) and 41.7°F (5.4°C).

Temperature

Start of December brings a shift in the average high-temperature, falling from November's fresh 50.9°F (10.5°C) to an icy 41.7°F (5.4°C). Hastings-on-Hudson, during December nights, observes an average temperature of 30.9°F (-0.6°C).

Humidity

In Hastings-on-Hudson, the average relative humidity in December is 76%.

Rainfall

December is the month with the most rainfall. Rain falls for 10.7 days and accumulates 3.46" (88mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Hastings-on-Hudson, in December, snow falls for 4.6 days, with typically accumulated 1.93" (49mm) of snow. Throughout the year, in Hastings-on-Hudson, there are 25.5 snowfall days, and 10.55" (268mm) of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Hastings-on-Hudson.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:37 pm EST.

Sunshine

In December, the average sunshine in Hastings-on-Hudson is 4.7h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hastings-on-Hudson. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold does it get in Hastings-on-Hudson in December?

December temperatures vary between a high-temperature of 41.7°F (5.4°C) and a low-temperature of 30.9°F (-0.6°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in December in Hastings-on-Hudson?

In Hastings-on-Hudson, the average relative humidity in December is 76%.

What is the rainiest month in Hastings-on-Hudson?

The month with the most rainfall in Hastings-on-Hudson, New York, is December, when the rain falls for 10.7 days and typically aggregates up to 3.46" (88mm) of precipitation.

How many days does it rain in December in Hastings-on-Hudson?

In December, in Hastings-on-Hudson, the rain falls for 10.7 days. Throughout December, 3.46" (88mm) of precipitation is accumulated.

How many days does it snow in December in Hastings-on-Hudson?

In Hastings-on-Hudson, New York, in December, snow falls for 4.6 days, with typically accumulated 1.93" (49mm) of snow.

What is the month with the shortest days in Hastings-on-Hudson?

The month with the shortest days in Hastings-on-Hudson is December, with an average of 9h and 18min of daylight.

How many hours of daylight does Hastings-on-Hudson have in December?

The average day length in December in Hastings-on-Hudson is 9h and 17min.

When is the sunrise / sunset in December in Hastings-on-Hudson?

On the first day of December in Hastings-on-Hudson, New York, sunrise is at 7:01 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:37 pm EST.

How many hours of sunshine does Hastings-on-Hudson have in December?

In Hastings-on-Hudson, the average sunshine duration in December is 4.7h.

When is the lowest UV index in Hastings-on-Hudson?

The months with the lowest UV index in Hastings-on-Hudson are January through March, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Hastings-on-Hudson?

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
Hastings-on-Hudson, NY

Average temperature in December - Hastings-on-Hudson, NY
  • Average high temperature in December: 41.7°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in December: 30.9°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

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Average pressure in December
Hastings-on-Hudson, NY

Average pressure in December - Hastings-on-Hudson, 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
Hastings-on-Hudson, NY

Average wind speed in December - Hastings-on-Hudson, NY
  • Average wind speed in December: 8mph

The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in December
Hastings-on-Hudson, NY

Average humidity in December - Hastings-on-Hudson, NY
  • Average humidity in December: 76%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (68%).

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Average rainfall in December
Hastings-on-Hudson, NY

Average rainfall in December - Hastings-on-Hudson, NY
  • Average rainfall in December: 3.46"

The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in December
Hastings-on-Hudson, NY

Average rainfall days in December - Hastings-on-Hudson, NY
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in December
Hastings-on-Hudson, NY

Average snowfall in December - Hastings-on-Hudson, NY
  • Average snowfall in December: 1.93"

The month with the highest snowfall is March (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Hastings-on-Hudson, NY

Average snowfall days in December - Hastings-on-Hudson, NY
  • Average snowfall days in December: 4.6 days

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Hastings-on-Hudson, NY

Average daylight in December / Average sunshine in December - Hastings-on-Hudson, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in December
Hastings-on-Hudson, NY

Average sunshine days in December - Hastings-on-Hudson, NY
  • Average sunshine days in December: 16.8 days

The months with the most sunshine days are January and November (18.1 days).
The months with the least sunshine days are April and June (12.7 days).

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Average UV index in December
Hastings-on-Hudson, NY

Average UV index in December - Hastings-on-Hudson, 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
Hastings-on-Hudson, NY

Average cloud cover in December - Hastings-on-Hudson, NY
  • Average cloud cover in December: 49

The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in December
Hastings-on-Hudson, NY

Average visibility in December - Hastings-on-Hudson, 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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Hastings-on-Hudson, New York, USA

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