December weather forecast
Selkirk, NY

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Weather in December

The first month of the winter, December, is still a cold month in Selkirk, New York, with temperature in the range of an average low of 24.3°F (-4.3°C) and an average high of 34.9°F (1.6°C).

Temperature

Selkirk in December demonstrates a small temperature transition, adjusting from an average high of a chilly 45.5°F (7.5°C) in November to a wintry 34.9°F (1.6°C). During December, the nighttime temperature in Selkirk averages of 24.3°F (-4.3°C).

Humidity

In Selkirk, New York, the average relative humidity in December is 82%.

Rainfall

In Selkirk, in December, during 10.4 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, in Selkirk, there are 153.2 rainfall days, and 30" (762mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Selkirk are January through May, October through December. In Selkirk, in December, during 8.2 snowfall days, 5.24" (133mm) of snow is typically accumulated. In Selkirk, during the entire year, snow falls for 42.8 days and aggregates up to 22.6" (574mm) of snow.

Daylight

December has the shortest days of the year in Selkirk, New York, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:23 pm. On the last day of December, in Selkirk, sunrise is at 7:24 am and sunset at 4:32 pm EST.

Sunshine

In Selkirk, New York, the average sunshine in December is 4.4h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

How cold is it in Selkirk in December?

December temperatures in Selkirk vary between a high-temperature of 34.9°F (1.6°C) and a low-temperature of 24.3°F (-4.3°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is evaluated at 86°F (30°C).

What is the average humidity in December in Selkirk?

In December, the average relative humidity is 82%.

How much does it rain in Selkirk in December?

In Selkirk, New York, in December, it is raining for 10.4 days, with typically 2.36" (60mm) of accumulated precipitation.

How much does it snow in Selkirk in December?

In Selkirk, New York, in December, during 8.2 snowfall days, 5.24" (133mm) of snow is typically accumulated.

What is the month with the shortest days in Selkirk?

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

How many hours of daylight does Selkirk have in December?

In Selkirk, New York, the average day length in December is 9h and 7min.

When is the sunrise / sunset in December in Selkirk?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:32 pm EST.

How many hours of sunshine does Selkirk have in December?

The average sunshine duration in December is 4.4h.

When is the lowest UV index in Selkirk?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Selkirk, New York.

What is the UV index intensity in December in Selkirk?

In December, the average daily maximum UV index in Selkirk 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
Selkirk, NY

Average temperature in December - Selkirk, NY
  • Average high temperature in December: 34.9°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in December: 24.3°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 (16.9°F).

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Average pressure in December
Selkirk, NY

Average pressure in December - Selkirk, 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
Selkirk, NY

Average wind speed in December - Selkirk, NY
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Selkirk, NY

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

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in December
Selkirk, NY

Average rainfall in December - Selkirk, NY
  • Average rainfall in December: 2.36"

The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is January (1.73").

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Average rainfall days in December
Selkirk, NY

Average rainfall days in December - Selkirk, NY
  • Average rainfall days in December: 10.4 days

The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in December
Selkirk, NY

Average snowfall in December - Selkirk, NY
  • Average snowfall in December: 5.24"

The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Selkirk, NY

Average snowfall days in December - Selkirk, NY
  • Average snowfall days in December: 8.2 days

The months with the highest number of snowfall days are January and February (10.5 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
Selkirk, NY

Average daylight in December / Average sunshine in December - Selkirk, 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 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days in December
Selkirk, NY

Average sunshine days in December - Selkirk, NY
  • Average sunshine days in December: 15.6 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (11.6 days).

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Average UV index in December
Selkirk, NY

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

The month with the highest UV index is July (UV index 6).
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
Selkirk, NY

Average cloud cover in December - Selkirk, NY
  • Average cloud cover in December: 54

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in December
Selkirk, NY

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

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

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Selkirk, New York, USA

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