December weather forecast
Stephentown, NY

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Weather in December

The first month of the winter, December, is also an icy month in Stephentown, New York, with an average temperature varying between 33.1°F (0.6°C) and 22.6°F (-5.2°C).

Temperature

Stephentown's December weather shows a moderate shift in high-temperatures, falling from November's frosty 43.7°F (6.5°C) to a cold 33.1°F (0.6°C). In Stephentown, the average nighttime temperature during December is a freezing cold 22.6°F (-5.2°C).

Humidity

The average relative humidity in December in Stephentown is 84%.

Rainfall

In Stephentown, New York, in December, during 7.5 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Stephentown, during the entire year, the rain falls for 102.9 days and collects up to 8.15" (207mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Stephentown. In December, in Stephentown, New York, it is snowing for 9 days. Throughout December, 1.06" (27mm) of snow is accumulated. Throughout the year, in Stephentown, there are 53.1 snowfall days, and 8.15" (207mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:30 pm EST.

Sunshine

The average sunshine in December is 4h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Stephentown. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Opt for tightly woven and loose clothing to enhance protection from the Sun. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is it in Stephentown in December?

In Stephentown, in December, the average high-temperature is 33.1°F (0.6°C), and the average low-temperature is 22.6°F (-5.2°C).

What is the average humidity in December in Stephentown?

The average relative humidity in December in Stephentown, New York, is 84%.

How many days does it rain in December in Stephentown?

In Stephentown, during December, the rain falls for 7.5 days and regularly aggregates up to 0.63" (16mm) of precipitation.

How many days does it snow in December in Stephentown?

In December, in Stephentown, New York, it is snowing for 9 days. Throughout December, 1.06" (27mm) of snow is accumulated.

What is the month with the shortest days in Stephentown?

The month with the shortest days in Stephentown, New York, is December, with an average of 9h and 6min of daylight.

How many hours of daylight does Stephentown have in December?

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

When are sunrise and sunset in December in Stephentown?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:30 pm EST.

How long on average sun shines in December in Stephentown?

In December, the average sunshine duration is 4h.

What is the month with the lowest UV index in Stephentown?

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

How high is the UV index in December in Stephentown?

In Stephentown, New York, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk 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
Stephentown, NY

Average temperature in December - Stephentown, NY
  • Average high temperature in December: 33.1°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in December: 22.6°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).

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Average pressure in December
Stephentown, NY

Average pressure in December - Stephentown, 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
Stephentown, NY

Average wind speed in December - Stephentown, NY
  • Average wind speed in December: 8.3mph

The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Stephentown, NY

Average humidity in December - Stephentown, NY
  • Average humidity in December: 84%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in December
Stephentown, NY

Average rainfall in December - Stephentown, NY
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is October (0.98").
The driest months (with the least rainfall) are March and September (0.47").

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Average rainfall days in December
Stephentown, NY

Average rainfall days in December - Stephentown, NY
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is July (11.2 days).
The month with the least rainy days is February (5.6 days).

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Average snowfall in December
Stephentown, NY

Average snowfall in December - Stephentown, NY
  • Average snowfall in December: 1.06"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Stephentown, NY

Average snowfall days in December - Stephentown, NY
  • Average snowfall days in December: 9 days

The month with the highest number of snowfall days is January (12.3 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
Stephentown, NY

Average daylight in December / Average sunshine in December - Stephentown, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

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Average sunshine days in December
Stephentown, NY

Average sunshine days in December - Stephentown, NY
  • Average sunshine days in December: 18.3 days

The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is April (15.6 days).

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Average UV index in December
Stephentown, NY

Average UV index in December - Stephentown, NY
  • Average UV index in December: 2

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, February, March, October, November and December (UV index 2).

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Average cloud cover in December
Stephentown, NY

Average cloud cover in December - Stephentown, NY
  • Average cloud cover in December: 58

The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 37).

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Average visibility in December
Stephentown, NY

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

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

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Stephentown, New York, USA

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