December weather forecast
Sterling, NY

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Weather in December

December, the first month of the winter in Sterling, is still a cold month, with an average temperature fluctuating between 28.6°F (-1.9°C) and 36.1°F (2.3°C).

Temperature

The onset of December results in a decrease in the average high-temperature, receding from a chilly 45.9°F (7.7°C) in November to a cold 36.1°F (2.3°C). Sterling's December nights exhibit a subtle drop in temperature, averaging at a subzero cold 28.6°F (-1.9°C), closely aligned with the daytime highs.

Humidity

In December, the average relative humidity is 82%.

Rainfall

In Sterling, in December, it is raining for 11.9 days, with typically 3.07" (78mm) of accumulated precipitation. In Sterling, during the entire year, the rain falls for 176.6 days and collects up to 35.51" (902mm) of precipitation.

Snowfall

Months with snowfall in Sterling are January through May, October through December. In Sterling, during December, snow falls for 14.5 days and regularly aggregates up to 5.71" (145mm) of snow. Throughout the year, in Sterling, there are 70.7 snowfall days, and 28.54" (725mm) of snow is accumulated.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year in Sterling.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:40 pm EST.

Sunshine

In Sterling, the average sunshine in December is 3h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Sterling. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In December, an average UV index of 1 transforms into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

How cold is it in Sterling in December?

In December, in Sterling, the average high-temperature is 36.1°F (2.3°C), and the average low-temperature is 28.6°F (-1.9°C).

What is the average humidity in December in Sterling?

The average relative humidity in December in Sterling, New York, is 82%.

How much does it rain in Sterling in December?

In December, in Sterling, the rain falls for 11.9 days. Throughout December, 3.07" (78mm) of precipitation is accumulated.

How many days does it snow in December in Sterling?

In Sterling, New York, in December, snow falls for 14.5 days, with typically accumulated 5.71" (145mm) of snow.

What is the month with the shortest days in Sterling?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

What is the average length of the day in December in Sterling?

In Sterling, New York, the average day length in December is 9h and 2min.

What time are sunrise and sunset in December in Sterling?

In December, on the first day of the month, sunrise is at 7:19 am and sunset at 4:31 pm. On the last day of the month, in Sterling, New York, sunrise is at 7:38 am and sunset at 4:40 pm EST.

How long on average sun shines in December in Sterling?

In December, the average sunshine duration in Sterling, New York, is 3h.

When is the lowest UV index in Sterling?

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

What is the UV index reading in December in Sterling?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
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
Sterling, NY

Average temperature in December - Sterling, NY
  • Average high temperature in December: 36.1°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in December: 28.6°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in December
Sterling, NY

Average pressure in December - Sterling, 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
Sterling, NY

Average wind speed in December - Sterling, NY
  • Average wind speed in December: 12.4mph

The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

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Average humidity in December
Sterling, NY

Average humidity in December - Sterling, NY
  • Average humidity in December: 82%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is September (76%).

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Average rainfall in December
Sterling, NY

Average rainfall in December - Sterling, NY
  • Average rainfall in December: 3.07"

The wettest month (with the highest rainfall) is October (3.82").
The driest months (with the least rainfall) are March and September (2.32").

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Average rainfall days in December
Sterling, NY

Average rainfall days in December - Sterling, NY
  • Average rainfall days in December: 11.9 days

The month with the highest number of rainy days is August (18.5 days).
The month with the least rainy days is February (8.5 days).

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Average snowfall in December
Sterling, NY

Average snowfall in December - Sterling, NY
  • Average snowfall in December: 5.71"

The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Sterling, NY

Average snowfall days in December - Sterling, NY
  • Average snowfall days in December: 14.5 days

The month with the highest number of snowfall days is January (18 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
Sterling, NY

Average daylight in December / Average sunshine in December - Sterling, NY
  • Average daylight in December: 9h and 0min

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 0min).

  • Average sunshine in December: 3h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).

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Average sunshine days in December
Sterling, NY

Average sunshine days in December - Sterling, NY
  • Average sunshine days in December: 6.6 days

The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is February (5.5 days).

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Average UV index in December
Sterling, NY

Average UV index in December - Sterling, NY
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in December
Sterling, NY

Average cloud cover in December - Sterling, NY
  • Average cloud cover in December: 71

The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 27).

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Average visibility in December
Sterling, NY

Average visibility in December - Sterling, NY
  • Average visibility in December: 5mi

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

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Sterling, New York, USA

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