December weather forecast
Marion, ND

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Weather in December

December, the first month of the winter in Marion, is also a subzero cold month, with an average temperature varying between 9.7°F (-12.4°C) and 20.3°F (-6.5°C).

Temperature

December is marked by a distinct decrease in the average high-temperature, falling from a cold 36.9°F (2.7°C) in November to a freezing cold 20.3°F (-6.5°C). Marion's December nights cool down to an average low-temperature of 9.7°F (-12.4°C).

Humidity

In Marion, the average relative humidity in December is 89%.

Rainfall

In December, the rain falls for 2.2 days. Throughout December, 0.59" (15mm) of precipitation is accumulated. Throughout the year, in Marion, there are 94.8 rainfall days, and 14.92" (379mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 13.9 days and accumulates 3.11" (79mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 7:57 am and sunset at 4:47 pm. On the last day of December, sunrise is at 8:17 am and sunset at 4:55 pm CST.

Sunshine

The average sunshine in December is 3.4h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In December, an average UV index of 1 transforms into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

How cold is December?

In Marion, in December, the average high-temperature is 20.3°F (-6.5°C), and the average low-temperature is 9.7°F (-12.4°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in July is evaluated at 84.2°F (29°C).

What is the average humidity in December in Marion?

In December, the average relative humidity is 89%.

How much does it rain in December?

In December, the rain falls for 2.2 days. Throughout December, 0.59" (15mm) of precipitation is accumulated.

What is the snowiest month?

December is the month with the most snowfall. Snow falls for 13.9 days and accumulates 3.11" (79mm) of snow.

How much does it snow in December?

In Marion, in December, during 13.9 snowfall days, 3.11" (79mm) of snow is typically accumulated.

What is the month with the shortest days in Marion?

December has the shortest days of the year, with an average of 8h and 36min of daylight.

What is the average length of the day in December?

The average day length in December is 8h and 38min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:57 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 4:55 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 3.4h.

When is the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.

How high is the UV index in December?

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

Average temperature in December - Marion, ND
  • Average high temperature in December: 20.3°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (17.1°F).

  • Average low temperature in December: 9.7°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (3.4°F).

Average pressure in December
Marion, ND

Average pressure in December - Marion, ND
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Marion, ND

Average wind speed in December - Marion, ND
  • Average wind speed in December: 10.6mph

The windiest month (with the highest average wind speed) is October (11.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).

Average humidity in December
Marion, ND

Average humidity in December - Marion, ND
  • Average humidity in December: 89%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (61%).

Average rainfall in December
Marion, ND

Average rainfall in December - Marion, ND
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in December
Marion, ND

Average rainfall days in December - Marion, ND
  • Average rainfall days in December: 2.2 days

The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is January (1.5 days).

Average snowfall in December
Marion, ND

Average snowfall in December - Marion, ND
  • Average snowfall in December: 3.11"

The month with the highest snowfall is December (3.11").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Marion, ND

Average snowfall days in December - Marion, ND
  • Average snowfall days in December: 13.9 days

The month with the highest number of snowfall days is December (13.9 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, ND

Average daylight in December / Average sunshine in December - Marion, ND
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in December
Marion, ND

Average sunshine days in December - Marion, ND
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is October (20 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in December
Marion, ND

Average UV index in December - Marion, ND
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in December
Marion, ND

Average cloud cover in December - Marion, ND
  • Average cloud cover in December: 63

The months with the most cloud cover are January and February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in December
Marion, ND

Average visibility in December - Marion, ND
  • Average visibility in December: 6mi

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

Marion, North Dakota, USA

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