December weather forecast
Saint Josen, NY

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Weather in December

The first month of the winter, December, is still a cold month in Saint Josen, New York, with an average temperature fluctuating between 37.6°F (3.1°C) and 25.7°F (-3.5°C).

Temperature

December shows a mild decline in the average high-temperature, falling from November's chilly 47.8°F (8.8°C) to a wintry 37.6°F (3.1°C). Saint Josen experiences an average nighttime temperature of 25.7°F (-3.5°C) in the month of December.

Humidity

February and December, with an average relative humidity of 82%, are the most humid months.

Rainfall

In December, in Saint Josen, the rain falls for 9.5 days. Throughout December, 2.24" (57mm) of precipitation is accumulated. Throughout the year, in Saint Josen, there are 141.4 rainfall days, and 22.44" (570mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Saint Josen are January through May, October through December. In Saint Josen, in December, snow falls for 5.8 days, with typically accumulated 3.82" (97mm) of snow. In Saint Josen, during the entire year, snow falls for 30.6 days and aggregates up to 16.38" (416mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:05 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:36 pm EST.

Sunshine

In Saint Josen, the average sunshine in December is 4.9h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

Is December cold in Saint Josen?

During December, Saint Josen experiences an average high-temperature of 37.6°F (3.1°C) and a low-temperature of 25.7°F (-3.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is estimated at 86°F (30°C).

What is the most humid month in Saint Josen?

February and December, with an average relative humidity of 82%, are most humid months in Saint Josen, New York.

What is the average humidity in December in Saint Josen?

The average relative humidity in December is 82%.

How much does it rain in Saint Josen in December?

In Saint Josen, in December, during 9.5 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

How many days does it snow in December in Saint Josen?

In Saint Josen, New York, in December, during 5.8 snowfall days, 3.82" (97mm) of snow is typically accumulated.

What is the month with the shortest days in Saint Josen?

December has the shortest days of the year in Saint Josen, New York, with an average of 9h and 12min of daylight.

What is the average length of the day in December in Saint Josen?

In December, the average day length in Saint Josen, New York, is 9h and 12min.

When is the sunrise / sunset in December in Saint Josen?

On the first day of December in Saint Josen, sunrise is at 7:05 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:36 pm EST.

How long on average sun shines in December in Saint Josen?

In December, the average sunshine duration is 4.9h.

When is the lowest UV index in Saint Josen?

The months with the lowest UV index in Saint Josen, New York, are January through March, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Saint Josen?

The average daily maximum UV index in December in Saint Josen is 2. A UV Index value of 2, and less, symbolizes 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
Saint Josen, NY

Average temperature in December - Saint Josen, NY
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).

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Average pressure in December
Saint Josen, NY

Average pressure in December - Saint Josen, 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
Saint Josen, NY

Average wind speed in December - Saint Josen, NY
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in December
Saint Josen, NY

Average humidity in December - Saint Josen, NY
  • Average humidity in December: 82%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in December
Saint Josen, NY

Average rainfall in December - Saint Josen, NY
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is October (2.36").
The driest month (with the least rainfall) is September (1.3").

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Average rainfall days in December
Saint Josen, NY

Average rainfall days in December - Saint Josen, NY
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall in December
Saint Josen, NY

Average snowfall in December - Saint Josen, NY
  • Average snowfall in December: 3.82"

The month with the highest snowfall is February (4.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Saint Josen, NY

Average snowfall days in December - Saint Josen, NY
  • Average snowfall days in December: 5.8 days

The month with the highest number of snowfall days is February (7.8 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
Saint Josen, NY

Average daylight in December / Average sunshine in December - Saint Josen, NY
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in December
Saint Josen, NY

Average sunshine days in December - Saint Josen, NY
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (12.7 days).

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Average UV index in December
Saint Josen, NY

Average UV index in December - Saint Josen, NY
  • Average UV index in December: 2

The months with the highest UV index are June and July (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
Saint Josen, NY

Average cloud cover in December - Saint Josen, NY
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in December
Saint Josen, NY

Average visibility in December - Saint Josen, NY
  • Average visibility in December: 5mi

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

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Saint Josen, New York, USA

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