December weather forecast
Haverstraw, NY

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Weather in December

December, the first month of the winter in Haverstraw, is also an icy month, with an average temperature ranging between max 40.3°F (4.6°C) and min 29.3°F (-1.5°C).

Temperature

With December's onset, the weather shows a temperature decrease, transitioning from a cool 50°F (10°C) in November to an icy 40.3°F (4.6°C). The average temperature during December nights in Haverstraw is registered at a freezing cold 29.3°F (-1.5°C).

Humidity

The average relative humidity in December in Haverstraw is 78%.

Rainfall

In December, in Haverstraw, the rain falls for 10.1 days. Throughout December, 3.19" (81mm) of precipitation is accumulated. Throughout the year, in Haverstraw, there are 152.8 rainfall days, and 30.79" (782mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Haverstraw, in December, during 4.4 snowfall days, 2.2" (56mm) of snow is typically accumulated. In Haverstraw, New York, during the entire year, snow falls for 22.6 days and aggregates up to 12.28" (312mm) 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 7:02 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:37 pm EST.

Sunshine

The average sunshine in December is 4.9h.

UV index

The months with the lowest UV index in Haverstraw are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 2 during December leads to these advisories:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

How cold does it get in Haverstraw in December?

During December, Haverstraw experiences an average high-temperature of 40.3°F (4.6°C) and a low-temperature of 29.3°F (-1.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 87.8°F (31°C).

What is the average humidity in December in Haverstraw?

In December, the average relative humidity in Haverstraw is 78%.

How much does it rain in Haverstraw in December?

In Haverstraw, in December, during 10.1 rainfall days, 3.19" (81mm) of precipitation is typically accumulated.

How many days does it snow in December in Haverstraw?

In Haverstraw, New York, during December, snow falls for 4.4 days and regularly aggregates up to 2.2" (56mm) of snow.

What is the month with the shortest days in Haverstraw?

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

How many hours of daylight does Haverstraw have in December?

In December, the average day length in Haverstraw, New York, is 9h and 16min.

When is the sunrise / sunset in December in Haverstraw?

In December, on the first day of the month, sunrise is at 7:02 am and sunset at 4:27 pm. On the last day of the month, in Haverstraw, New York, sunrise is at 7:21 am and sunset at 4:37 pm EST.

How long on average sun shines in December in Haverstraw?

In Haverstraw, the average sunshine duration in December is 4.9h.

When is the lowest UV index in Haverstraw?

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

How high is the UV index in December in Haverstraw?

In December, the average daily maximum UV index is 2. A UV Index reading 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
Haverstraw, NY

Average temperature in December - Haverstraw, NY
  • Average high temperature in December: 40.3°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (34.7°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in December
Haverstraw, NY

Average pressure in December - Haverstraw, 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
Haverstraw, NY

Average wind speed in December - Haverstraw, NY
  • Average wind speed in December: 6.9mph

The windiest months (with the highest average wind speed) are January and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in December
Haverstraw, NY

Average humidity in December - Haverstraw, NY
  • Average humidity in December: 78%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in December
Haverstraw, NY

Average rainfall in December - Haverstraw, NY
  • Average rainfall in December: 3.19"

The wettest month (with the highest rainfall) is July (3.23").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in December
Haverstraw, NY

Average rainfall days in December - Haverstraw, NY
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in December
Haverstraw, NY

Average snowfall in December - Haverstraw, NY
  • Average snowfall in December: 2.2"

The month with the highest snowfall is March (3.46").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Haverstraw, NY

Average snowfall days in December - Haverstraw, NY
  • Average snowfall days in December: 4.4 days

The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Haverstraw, NY

Average daylight in December / Average sunshine in December - Haverstraw, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in December
Haverstraw, NY

Average sunshine days in December - Haverstraw, NY
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (11.5 days).

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Average UV index in December
Haverstraw, NY

Average UV index in December - Haverstraw, 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
Haverstraw, NY

Average cloud cover in December - Haverstraw, 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 32).

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Average visibility in December
Haverstraw, NY

Average visibility in December - Haverstraw, NY
  • Average visibility in December: 6mi

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

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Haverstraw, New York, USA

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