December weather forecast
Blackduck, MN

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Weather in December

The first month of the winter, December, is also a subzero cold month in Blackduck, Minnesota, with temperature in the range of an average high of 20.1°F (-6.6°C) and an average low of 9.7°F (-12.4°C).

Temperature

The onset of December coincides with a reduction in the average high-temperature, falling from a wintry 34.3°F (1.3°C) in November to a subzero cold 20.1°F (-6.6°C). December nights in Blackduck, Minnesota, are marked by an average temperature drop to a frigid cold 9.7°F (-12.4°C).

Humidity

The average relative humidity in December in Blackduck, Minnesota, is 90%.

Rainfall

In Blackduck, during December, the rain falls for 2.3 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, there are 109.2 rainfall days, and 20.12" (511mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. The month with the most snowfall is December, when snow falls for 18.8 days and typically aggregates up to 7.28" (185mm) of snow.

Daylight

December has the shortest days of the year in Blackduck, with an average of 8h and 30min of daylight.
On the first day of December in Blackduck, sunrise is at 7:46 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 4:36 pm CST.

Sunshine

In Blackduck, the average sunshine in December is 2.4h.

UV index

The months with the lowest UV index in Blackduck are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

How cold is December in Blackduck?

The average high-temperature, in December, in Blackduck, is 20.1°F (-6.6°C), while the average low-temperature is 9.7°F (-12.4°C).

What is the average humidity in December in Blackduck?

In Blackduck, the average relative humidity in December is 90%.

How much does it rain in Blackduck in December?

In Blackduck, in December, during 2.3 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When does it snow the most in Blackduck?

The month with the most snowfall is December, when snow falls for 18.8 days and typically aggregates up to 7.28" (185mm) of snow.

How many days does it snow in December in Blackduck?

In Blackduck, Minnesota, in December, snow falls for 18.8 days, with typically accumulated 7.28" (185mm) of snow.

What is the month with the shortest days in Blackduck?

The month with the shortest days is December, with an average of 8h and 30min of daylight.

How many hours of daylight does Blackduck have in December?

In December, the average day length in Blackduck, Minnesota, is 8h and 29min.

When are sunrise and sunset in December in Blackduck?

In December, on the first day of the month, sunrise is at 7:46 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 4:36 pm CST.

How many hours of sunshine does Blackduck have in December?

In Blackduck, the average sunshine duration in December is 2.4h.

What are the months with the lowest UV index in Blackduck?

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

What is the UV index reading in December in Blackduck?

The average daily maximum UV index in December in Blackduck 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
Blackduck, MN

Average temperature in December - Blackduck, MN
  • Average high temperature in December: 20.1°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (16.2°F).

  • Average low temperature in December: 9.7°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (2.1°F).

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Average pressure in December
Blackduck, MN

Average pressure in December - Blackduck, MN
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in December
Blackduck, MN

Average wind speed in December - Blackduck, MN
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is October (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in December
Blackduck, MN

Average humidity in December - Blackduck, MN
  • Average humidity in December: 90%

The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).

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Average rainfall in December
Blackduck, MN

Average rainfall in December - Blackduck, MN
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is February (0.71").

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Average rainfall days in December
Blackduck, MN

Average rainfall days in December - Blackduck, MN
  • Average rainfall days in December: 2.3 days

The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is January (1.3 days).

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Average snowfall in December
Blackduck, MN

Average snowfall in December - Blackduck, MN
  • Average snowfall in December: 7.28"

The month with the highest snowfall is December (7.28").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Blackduck, MN

Average snowfall days in December - Blackduck, MN
  • Average snowfall days in December: 18.8 days

The month with the highest number of snowfall days is December (18.8 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in December /
Average sunshine in December
Blackduck, MN

Average daylight in December / Average sunshine in December - Blackduck, MN
  • Average daylight in December: 8h and 3min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in December: 2h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).

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Average sunshine days in December
Blackduck, MN

Average sunshine days in December - Blackduck, MN
  • Average sunshine days in December: 13.2 days

The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is June (11.5 days).

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Average UV index in December
Blackduck, MN

Average UV index in December - Blackduck, MN
  • 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, November and December (UV index 1).

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Average cloud cover in December
Blackduck, MN

Average cloud cover in December - Blackduck, MN
  • Average cloud cover in December: 76

The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in December
Blackduck, MN

Average visibility in December - Blackduck, MN
  • Average visibility in December: 4mi

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

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Blackduck, Minnesota, USA

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