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

December brings a drop in Marquette's 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). Marquette registers a subtle dip to an average of 19.2°F (-7.1°C) during the nights of December.

Humidity

In December, the average relative humidity is 86%.

Rainfall

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

Snowfall

Months with snowfall in Marquette are January through May, October through December. December is the month with the most snowfall in Marquette. Snow falls for 21 days and accumulates 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 the month, sunrise is at 8:13 am and sunset at 5:04 pm. On the last day of December, sunrise is at 8:33 am and sunset at 5:12 pm EST.

Sunshine

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

UV index

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: During December, 1 as the daily maximum UV index converts into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

How cold is it in Marquette in December?

The high-temperature during December is 26.8°F (-2.9°C) and the low-temperature is 19.2°F (-7.1°C).

What is the average humidity in December in Marquette?

In December, the average relative humidity is 86%.

How many days does it rain in December in Marquette?

In Marquette, during December, the rain falls for 4.9 days and regularly aggregates up to 1.77" (45mm) of precipitation.

What is the snowiest month in Marquette?

The month with the most snowfall in Marquette is December, when snow falls for 21 days and typically aggregates up to 9.8" (249mm) of snow.

How much does it snow in Marquette in December?

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

What is the month with the shortest days in Marquette?

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

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

The average day length in December is 8h and 39min.

What time are sunrise and sunset in December in Marquette?

On the first day of December in Marquette, Michigan, 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.

How long on average sun shines in December in Marquette?

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

When is the lowest UV index in Marquette?

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

What is the UV index reading in December in Marquette?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents 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
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Marquette, Michigan, USA

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