December weather forecast
Sentinel Heights, NY

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Weather in December

December, the first month of the winter in Sentinel Heights, is also an icy month, with an average temperature ranging between max 34.2°F (1.2°C) and min 25.2°F (-3.8°C).

Temperature

Sentinel Heights experiences a temperature shift at the start of December, with average high-temperatures adjusting from a chilly 44.8°F (7.1°C) in November to a cold 34.2°F (1.2°C). Sentinel Heights records a slight downturn in temperature to an average of 25.2°F (-3.8°C) during December nights.

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Sentinel Heights, in December, it is raining for 8.8 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 148.8 rainfall days, and 25" (635mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Sentinel Heights, New York, are January through April, October through December. December is the month with the most snowfall in Sentinel Heights. Snow falls for 13.3 days and accumulates 5.87" (149mm) of snow.

Daylight

The month with the shortest days in Sentinel Heights is December, with an average of 9h and 6min of daylight.
On the first day of December in Sentinel Heights, New York, sunrise is at 7:16 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:40 pm EST.

Sunshine

The average sunshine in December is 2.9h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Sentinel Heights. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 1 during December translates into the following directions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

How cold is December in Sentinel Heights?

In December, the average high-temperature and low-temperature in Sentinel Heights, New York, are 34.2°F (1.2°C) and 25.2°F (-3.8°C) respectively.

What is the average humidity in December in Sentinel Heights?

In December, the average relative humidity is 85%.

How many days does it rain in December in Sentinel Heights?

In Sentinel Heights, New York, during December, the rain falls for 8.8 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When does it snow the most in Sentinel Heights?

The month with the most snowfall in Sentinel Heights, New York, is December, when snow falls for 13.3 days and typically aggregates up to 5.87" (149mm) of snow.

How much does it snow in Sentinel Heights in December?

In Sentinel Heights, in December, during 13.3 snowfall days, 5.87" (149mm) of snow is typically accumulated.

What is the month with the shortest days in Sentinel Heights?

With an average of 9h and 6min of daylight, December has the shortest days of the year in Sentinel Heights, New York.

What is the average length of the day in December in Sentinel Heights?

In December, the average day length in Sentinel Heights is 9h and 5min.

When is the sunrise / sunset in December in Sentinel Heights?

On the first day of December, sunrise is at 7:16 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:40 pm EST.

How long on average sun shines in December in Sentinel Heights?

In December, the average sunshine duration is 2.9h.

When is the lowest UV index in Sentinel Heights?

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 in Sentinel Heights?

The average daily maximum UV index in December in Sentinel Heights, New York, is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Sentinel Heights, NY

Average temperature in December - Sentinel Heights, NY
  • Average high temperature in December: 34.2°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in December: 25.2°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in December
Sentinel Heights, NY

Average pressure in December - Sentinel Heights, 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).

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Average wind speed in December
Sentinel Heights, NY

Average wind speed in December - Sentinel Heights, NY
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).

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Average humidity in December
Sentinel Heights, NY

Average humidity in December - Sentinel Heights, NY
  • Average humidity in December: 85%

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (78%).

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Average rainfall in December
Sentinel Heights, NY

Average rainfall in December - Sentinel Heights, NY
  • Average rainfall in December: 1.97"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (1.42").

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Average rainfall days in December
Sentinel Heights, NY

Average rainfall days in December - Sentinel Heights, NY
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (6 days).

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Average snowfall in December
Sentinel Heights, NY

Average snowfall in December - Sentinel Heights, NY
  • Average snowfall in December: 5.87"

The month with the highest snowfall is December (5.87").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Sentinel Heights, NY

Average snowfall days in December - Sentinel Heights, NY
  • Average snowfall days in December: 13.3 days

The month with the highest number of snowfall days is January (16.8 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
Sentinel Heights, NY

Average daylight in December / Average sunshine in December - Sentinel Heights, 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: 2h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).

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Average sunshine days in December
Sentinel Heights, NY

Average sunshine days in December - Sentinel Heights, NY
  • Average sunshine days in December: 11.4 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (8.4 days).

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Average UV index in December
Sentinel Heights, NY

Average UV index in December - Sentinel Heights, 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).

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Average cloud cover in December
Sentinel Heights, NY

Average cloud cover in December - Sentinel Heights, NY
  • Average cloud cover in December: 71

The months with the most cloud cover are January and February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility in December
Sentinel Heights, NY

Average visibility in December - Sentinel Heights, NY
  • Average visibility in December: 5mi

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

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Sentinel Heights, New York, USA

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