December weather forecast
New Cassel, NY

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Weather in December

The first month of the winter, December, is still a chilly month in New Cassel, New York, with an average temperature fluctuating between 35.8°F (2.1°C) and 43.3°F (6.3°C).

Temperature

As November transitions into December, New Cassel sees a gentle drop in the average high-temperature, transitioning from a fresh 51.4°F (10.8°C) to a chilly 43.3°F (6.3°C). December nighttime temperatures in New Cassel hover close to the daytime peak with an average of 35.8°F (2.1°C).

Humidity

In New Cassel, the average relative humidity in December is 74%.

Rainfall

In New Cassel, during December, the rain falls for 8.5 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, in New Cassel, there are 103.6 rainfall days, and 7.83" (199mm) of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall in New Cassel. December is the first month it typically snows. Throughout December, in the average 2.8 snowfall days, it receives 0.39" (10mm) of snow. Throughout the year, in New Cassel, there are 14.8 snowfall days, and 1.34" (34mm) of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in New Cassel.
On the first day of December, sunrise is at 6:59 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:36 pm EST.

Sunshine

In December, the average sunshine is 4.9h.

UV index

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in New Cassel. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

How cold is December in New Cassel?

In New Cassel, 43.3°F (6.3°C) is the average high-temperature and 35.8°F (2.1°C) is the average low-temperature during December.

What is the average humidity in December in New Cassel?

In New Cassel, the average relative humidity in December is 74%.

How much does it rain in New Cassel in December?

In December, in New Cassel, New York, the rain falls for 8.5 days. Throughout December, 0.83" (21mm) of precipitation is accumulated.

When does it start snowing in New Cassel?

December is the first month it typically snows. Throughout December, in the average 2.8 snowfall days, it receives 0.39" (10mm) of snow.

What is the month with the shortest days in New Cassel?

With an average of 9h and 18min of daylight, December has the shortest days of the year in New Cassel.

What is the average length of the day in December in New Cassel?

In December, the average day length in New Cassel, New York, is 9h and 19min.

When are sunrise and sunset in December in New Cassel?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:36 pm EST.

How many hours of sunshine does New Cassel have in December?

In December, the average sunshine duration in New Cassel is 4.9h.

What is the month with the lowest UV index in New Cassel?

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

What is the UV index reading in December in New Cassel?

In New Cassel, New York, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's 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
New Cassel, NY

Average temperature in December - New Cassel, NY
  • Average high temperature in December: 43.3°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 35.8°F

The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in December
New Cassel, NY

Average pressure in December - New Cassel, NY
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
New Cassel, NY

Average wind speed in December - New Cassel, NY
  • Average wind speed in December: 12.1mph

The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

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Average humidity in December
New Cassel, NY

Average humidity in December - New Cassel, NY
  • Average humidity in December: 74%

The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in December
New Cassel, NY

Average rainfall in December - New Cassel, NY
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is September (0.35").

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Average rainfall days in December
New Cassel, NY

Average rainfall days in December - New Cassel, NY
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is July (11.3 days).
The month with the least rainy days is January (5.4 days).

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Average snowfall in December
New Cassel, NY

Average snowfall in December - New Cassel, NY
  • Average snowfall in December: 0.39"

The month with the highest snowfall is March (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
New Cassel, NY

Average snowfall days in December - New Cassel, NY
  • Average snowfall days in December: 2.8 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
New Cassel, NY

Average daylight in December / Average sunshine in December - New Cassel, NY
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
New Cassel, NY

Average sunshine days in December - New Cassel, NY
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is July (16.9 days).

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Average UV index in December
New Cassel, NY

Average UV index in December - New Cassel, NY
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

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Average cloud cover in December
New Cassel, NY

Average cloud cover in December - New Cassel, NY
  • Average cloud cover in December: 48

The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in December
New Cassel, NY

Average visibility in December - New Cassel, NY
  • Average visibility in December: 6mi

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

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New Cassel, New York, USA

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