December weather forecast
Morris, NY

Share

Weather in December

December, the first month of the winter in Morris, is also an icy month, with an average temperature fluctuating between 32.9°F (0.5°C) and 22.5°F (-5.3°C).

Temperature

Morris's progression into December involves a drop in the average high-temperature, receding from 42.4°F (5.8°C) in November to a still wintry 32.9°F (0.5°C). Morris reports an average low-temperature of 22.5°F (-5.3°C) during the nights of December.

Humidity

January, February and December, with an average relative humidity of 87%, are the most humid months.

Rainfall

In Morris, in December, during 10.3 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Morris, during the entire year, the rain falls for 161.1 days and collects up to 31.18" (792mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Morris, during December, snow falls for 16.7 days and regularly aggregates up to 8.35" (212mm) of snow. Throughout the year, there are 92.9 snowfall days, and 48.23" (1225mm) of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year in Morris, New York.
On the first day of the month, sunrise is at 7:11 am and sunset at 4:28 pm. On the last day of December, in Morris, sunrise is at 7:30 am and sunset at 4:37 pm EST.

Sunshine

In Morris, New York, the average sunshine in December is 2.8h.

UV index

The months with the lowest UV index in Morris are January through March, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 1 in December transforms into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
[Resources]

Frequently asked questions

How cold is December in Morris?

An average high-temperature, in December, in Morris, is 32.9°F (0.5°C) and the average low-temperature is 22.5°F (-5.3°C).

What is the most humid month in Morris?

January, February and December, with an average relative humidity of 87%, are most humid months.

What is the average humidity in December in Morris?

In December, the average relative humidity in Morris is 87%.

How much does it rain in Morris in December?

In Morris, New York, during December, the rain falls for 10.3 days and regularly aggregates up to 2.4" (61mm) of precipitation.

How many days does it snow in December in Morris?

In Morris, in December, during 16.7 snowfall days, 8.35" (212mm) of snow is typically accumulated.

What is the month with the shortest days in Morris?

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

What is the average length of the day in December in Morris?

The average day length in December in Morris, New York, is 9h and 7min.

When is the sunrise / sunset in December in Morris?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 4:28 pm. On the last day of the month, in Morris, sunrise is at 7:30 am and sunset at 4:37 pm EST.

How long on average sun shines in December in Morris?

In Morris, the average sunshine duration in December is 2.8h.

When is the lowest UV index in Morris?

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Morris, New York.

What is the UV index reading in December in Morris?

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

Average temperature in December - Morris, NY
  • Average high temperature in December: 32.9°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in December: 22.5°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

[Resources]

Average pressure in December
Morris, NY

Average pressure in December - Morris, 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).

[Resources]

Average wind speed in December
Morris, NY

Average wind speed in December - Morris, NY
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

[Resources]

Average humidity in December
Morris, NY

Average humidity in December - Morris, NY
  • Average humidity in December: 87%

The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are April and May (79%).

[Resources]

Average rainfall in December
Morris, NY

Average rainfall in December - Morris, NY
  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.97").

[Resources]

Average rainfall days in December
Morris, NY

Average rainfall days in December - Morris, NY
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (6.6 days).

[Resources]

Average snowfall in December
Morris, NY

Average snowfall in December - Morris, NY
  • Average snowfall in December: 8.35"

The month with the highest snowfall is February (9.13").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Morris, NY

Average snowfall days in December - Morris, NY
  • Average snowfall days in December: 16.7 days

The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Morris, 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: 2h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).

[Resources]

Average sunshine days in December
Morris, NY

Average sunshine days in December - Morris, NY
  • Average sunshine days in December: 7.9 days

The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (5.5 days).

[Resources]

Average UV index in December
Morris, NY

Average UV index in December - Morris, NY
  • Average UV index in December: 1

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, November and December (UV index 1).

[Resources]

Average cloud cover in December
Morris, NY

Average cloud cover in December - Morris, NY
  • Average cloud cover in December: 73

The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 41).

[Resources]

Average visibility in December
Morris, NY

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

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

[Resources]

Morris, New York, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location