December weather forecast
Marion, NY

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Weather in December

December, the first month of the winter in Marion, is also a wintry month, with temperature in the range of an average high of 36°F (2.2°C) and an average low of 27.1°F (-2.7°C).

Temperature

The commencement of December involves a temperature shift, with the average high-temperature dropping from a chilly 46.2°F (7.9°C) in November to a cold 36°F (2.2°C). Throughout December, a modest shift from daytime highs is anticipated in Marion, New York, with an average low-temperature of 27.1°F (-2.7°C).

Humidity

In December, the average relative humidity in Marion, New York, is 83%.

Rainfall

In Marion, in December, it is raining for 7.7 days, with typically 0.71" (18mm) of accumulated precipitation. In Marion, New York, during the entire year, the rain falls for 115.8 days and collects up to 8.43" (214mm) of precipitation.

Snowfall

Months with snowfall in Marion are January through May, October through December. In December, in Marion, it is snowing for 11.6 days. Throughout December, 1.46" (37mm) of snow is accumulated. In Marion, New York, during the entire year, snow falls for 54.1 days and aggregates up to 6.61" (168mm) of snow.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year in Marion.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:40 am and sunset at 4:43 pm EST.

Sunshine

In Marion, the average sunshine in December is 3h.

UV index

The months with the lowest UV index in Marion, New York, are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the UV index of 1 transforms into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Marion in December?

December temperatures in Marion vary between a high-temperature of 36°F (2.2°C) and a low-temperature of 27.1°F (-2.7°C).

What is the average humidity in December in Marion?

In Marion, New York, the average relative humidity in December is 83%.

How many days does it rain in December in Marion?

In December, in Marion, the rain falls for 7.7 days. Throughout December, 0.71" (18mm) of precipitation is accumulated.

How many days does it snow in December in Marion?

In Marion, in December, during 11.6 snowfall days, 1.46" (37mm) of snow is typically accumulated.

What is the month with the shortest days in Marion?

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

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

In December, the average day length in Marion is 9h and 3min.

When is the sunrise / sunset in December in Marion?

In December, on the first day of the month, sunrise is at 7:21 am and sunset at 4:34 pm. On the last day of the month, in Marion, New York, sunrise is at 7:40 am and sunset at 4:43 pm EST.

How long on average sun shines in December in Marion?

The average sunshine duration in December is 3h.

When is the lowest UV index in Marion?

The months with the lowest UV index in Marion, New York, are January and December, with an average maximum UV index of 1.

What is the UV index reading in December in Marion?

In Marion, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Marion, NY

Average temperature in December - Marion, NY
  • Average high temperature in December: 36°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in December: 27.1°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

Average pressure in December
Marion, NY

Average pressure in December - Marion, 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).

Average wind speed in December
Marion, NY

Average wind speed in December - Marion, NY
  • Average wind speed in December: 10.4mph

The windiest months (with the highest average wind speed) are January and February (11.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in December
Marion, NY

Average humidity in December - Marion, NY
  • Average humidity in December: 83%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, August and September (77%).

Average rainfall in December
Marion, NY

Average rainfall in December - Marion, NY
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is October (0.98").
The driest month (with the least rainfall) is September (0.47").

Average rainfall days in December
Marion, NY

Average rainfall days in December - Marion, NY
  • Average rainfall days in December: 7.7 days

The months with the highest number of rainy days are May and August (11.8 days).
The month with the least rainy days is February (5.6 days).

Average snowfall in December
Marion, NY

Average snowfall in December - Marion, NY
  • Average snowfall in December: 1.46"

The month with the highest snowfall is February (1.54").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Marion, NY

Average snowfall days in December - Marion, NY
  • Average snowfall days in December: 11.6 days

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Marion, 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: 3h and 0min

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

Average sunshine days in December
Marion, NY

Average sunshine days in December - Marion, NY
  • Average sunshine days in December: 14 days

The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is February (13.4 days).

Average UV index in December
Marion, NY

Average UV index in December - Marion, 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
Marion, NY

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

The month with the most cloud cover is January (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 29).

Average visibility in December
Marion, NY

Average visibility in December - Marion, 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).

Marion, New York, USA

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