December weather forecast
Marquette, MI

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Boats docked along the piers on the vast Lake Superior and cars and buildings in the rest of Marquette City, Michigan
Boats docked along the piers on the vast Lake Superior and cars and buildings in the rest of Marquette City, Michigan

Weather in December

December secures the arrival of winter in Marquette, with an average high temperature plunging to 26.8°F (-2.9°C) and an average snowfall peaking at 9.8" (249mm). While it is the shortest daylight month, December is truly a winter wonderland. The heavy snow and cold temperatures mark the height of the winter season. Despite the chilly weather, the festive spirit of the holiday season imbues the city with warmth and cheer.

Temperature

Onset of December witnesses a reduction in the average high-temperature, falling from an icy 37.6°F (3.1°C) in November to a freezing cold 26.8°F (-2.9°C). A mean low-temperature of 19.2°F (-7.1°C) is anticipated during the month of December in Marquette, a slight step down from the daytime high.

Humidity

In Marquette, the average relative humidity in December is 86%.

Rainfall

In December, the rain falls for 4.9 days. Throughout December, 1.77" (45mm) of precipitation is accumulated. In Marquette, during the entire year, the rain falls for 117.1 days and collects up to 23.35" (593mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 21 days and typically aggregates up to 9.8" (249mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 36min of daylight.
On the first day of December, sunrise is at 8:13 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 8:33 am and sunset at 5:12 pm EST.

Sunshine

In Marquette, the average sunshine in December is 2.1h.

UV index

The months with the lowest UV index 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 unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In December, the average high-temperature and low-temperature are 26.8°F (-2.9°C) and 19.2°F (-7.1°C) respectively.

What is the average humidity in December?

The average relative humidity in December is 86%.

How many days does it rain in December?

In Marquette, in December, it is raining for 4.9 days, with typically 1.77" (45mm) of accumulated precipitation.

What is the snowiest month?

December is the month with the most snowfall. Snow falls for 21 days and accumulates 9.8" (249mm) of snow.

How much does it snow in December?

In December, it is snowing for 21 days. Throughout December, 9.8" (249mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 36min of daylight.

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

In December, the average day length in Marquette is 8h and 39min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 8:13 am and sunset at 5:04 pm. On the last day of the month, in Marquette, sunrise is at 8:33 am and sunset at 5:12 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 2.1h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents 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
Marquette, MI

Average temperature in December - Marquette, MI
  • Average high temperature in December: 26.8°F

The warmest month (with the highest average high temperature) is July (73.2°F).
The month with the lowest average high temperature is January (21.4°F).

  • Average low temperature in December: 19.2°F

The month with the highest average low temperature is August (56.1°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).

Average pressure in December
Marquette, MI

Average pressure in December - Marquette, MI
  • Average pressure in December: 30.03"Hg

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

Average wind speed in December
Marquette, MI

Average wind speed in December - Marquette, MI
  • Average wind speed in December: 10.3mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are June, July and August (7.5mph).

Average humidity in December
Marquette, MI

Average humidity in December - Marquette, MI
  • Average humidity in December: 86%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (72%).

Average rainfall in December
Marquette, MI

Average rainfall in December - Marquette, MI
  • Average rainfall in December: 1.77"

The wettest month (with the highest rainfall) is April (2.91").
The driest month (with the least rainfall) is January (1.26").

Average rainfall days in December
Marquette, MI

Average rainfall days in December - Marquette, MI
  • Average rainfall days in December: 4.9 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in December
Marquette, MI

Average snowfall in December - Marquette, MI
  • Average snowfall in December: 9.8"

The month with the highest snowfall is December (9.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Marquette, MI

Average snowfall days in December - Marquette, MI
  • Average snowfall days in December: 21 days

The month with the highest number of snowfall days is January (23.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Marquette, MI

Average daylight in December / Average sunshine in December - Marquette, MI
  • 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: 2h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).

Average sunshine days in December
Marquette, MI

Average sunshine days in December - Marquette, MI
  • Average sunshine days in December: 8.6 days

The month with the most sunshine days is July (15.8 days).
The month with the least sunshine days is January (7.3 days).

Average UV index in December
Marquette, MI

Average UV index in December - Marquette, MI
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in December
Marquette, MI

Average cloud cover in December - Marquette, MI
  • Average cloud cover in December: 78

The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in December
Marquette, MI

Average visibility in December - Marquette, MI
  • Average visibility in December: 5mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (4mi).

Marquette, Michigan, USA

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