December weather forecast
Morton, NY

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Weather in December

The first month of the winter, December, is also an icy month in Morton, New York, with temperature in the range of an average high of 36.1°F (2.3°C) and an average low of 28°F (-2.2°C).

Temperature

With the onset of December, Morton experiences a modest temperature adjustment, with the average high-temperature receding from a chilly 45.7°F (7.6°C) in November to a cold 36.1°F (2.3°C). Morton notes a steady average temperature of 28°F (-2.2°C) during the nights of December.

Humidity

The average relative humidity in December is 82%.

Rainfall

In Morton, during December, the rain falls for 10.8 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 171.7 rainfall days, and 28.46" (723mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Morton, during December, snow falls for 14.5 days and regularly aggregates up to 4.92" (125mm) of snow. Throughout the year, there are 69.8 snowfall days, and 26.54" (674mm) of snow is accumulated.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year in Morton.
On the first day of December in Morton, sunrise is at 7:25 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:46 pm EST.

Sunshine

The average sunshine in December is 3.1h.

UV index

The months with the lowest UV index in Morton, New York, are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 1 in December leads to these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Opt for tightly woven and loose clothing to enhance protection from the Sun. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Morton?

The high-temperature, in December, in Morton, is 36.1°F (2.3°C), while the low-temperature averages to 28°F (-2.2°C).

What is the average humidity in December in Morton?

In December, the average relative humidity in Morton is 82%.

How many days does it rain in December in Morton?

In Morton, New York, during December, the rain falls for 10.8 days and regularly aggregates up to 2.2" (56mm) of precipitation.

How many days does it snow in December in Morton?

In Morton, New York, during December, snow falls for 14.5 days and regularly aggregates up to 4.92" (125mm) of snow.

What is the month with the shortest days in Morton?

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 Morton?

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

When is the sunrise / sunset in December in Morton?

In December, on the first day of the month, sunrise is at 7:25 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:46 pm EST.

How many hours of sunshine does Morton have in December?

In December, the average sunshine duration in Morton, New York, is 3.1h.

When is the lowest UV index in Morton?

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

What is the UV index reading in December in Morton?

In Morton, New York, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health threat 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
Morton, NY

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

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in December: 28°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in December
Morton, NY

Average pressure in December - Morton, NY
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Morton, NY

Average wind speed in December - Morton, NY
  • Average wind speed in December: 11.6mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

Average humidity in December
Morton, NY

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

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and September (76%).

Average rainfall in December
Morton, NY

Average rainfall in December - Morton, NY
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in December
Morton, NY

Average rainfall days in December - Morton, NY
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in December
Morton, NY

Average snowfall in December - Morton, NY
  • Average snowfall in December: 4.92"

The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Morton, NY

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

The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Morton, NY

Average daylight in December / Average sunshine in December - Morton, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in December
Morton, NY

Average sunshine days in December - Morton, NY
  • Average sunshine days in December: 7.3 days

The month with the most sunshine days is September (13 days).
The month with the least sunshine days is February (6.2 days).

Average UV index in December
Morton, NY

Average UV index in December - Morton, 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).

Average cloud cover in December
Morton, NY

Average cloud cover in December - Morton, NY
  • Average cloud cover in December: 69

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).

Average visibility in December
Morton, NY

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

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

Morton, New York, USA

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