December weather forecast
Cottonwood, MN

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Weather in December

The first month of the winter, December, is still a freezing cold month in Cottonwood, Minnesota, with an average temperature fluctuating between 14.5°F (-9.7°C) and 25.7°F (-3.5°C).

Temperature

As December begins, there is a noticeable decrease in the average high-temperature, falling from an icy 41.7°F (5.4°C) in November to a subzero cold 25.7°F (-3.5°C). Cottonwood records an average nighttime low of 14.5°F (-9.7°C) in December.

Humidity

In Cottonwood, the average relative humidity in December is 85%.

Rainfall

In Cottonwood, Minnesota, during December, the rain falls for 3.5 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, in Cottonwood, there are 121.2 rainfall days, and 23.35" (593mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Cottonwood are January through May, October through December. In Cottonwood, during December, snow falls for 11.2 days and regularly aggregates up to 4.49" (114mm) of snow. Throughout the year, in Cottonwood, Minnesota, there are 54.2 snowfall days, and 23.31" (592mm) of snow is accumulated.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year in Cottonwood.
On the first day of December in Cottonwood, sunrise is at 7:40 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 4:52 pm CST.

Sunshine

In December, the average sunshine in Cottonwood, Minnesota, is 4.2h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Cottonwood. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 1 during December translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. 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 Cottonwood?

In December, the average high-temperature and low-temperature in Cottonwood are 25.7°F (-3.5°C) and 14.5°F (-9.7°C) respectively. In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in December in Cottonwood?

The average relative humidity in December in Cottonwood is 85%.

How many days does it rain in December in Cottonwood?

In Cottonwood, during December, the rain falls for 3.5 days and regularly aggregates up to 1.14" (29mm) of precipitation.

How many days does it snow in December in Cottonwood?

In Cottonwood, in December, during 11.2 snowfall days, 4.49" (114mm) of snow is typically accumulated.

What is the month with the shortest days in Cottonwood?

The month with the shortest days is December, with an average of 8h and 54min of daylight.

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

In Cottonwood, the average day length in December is 8h and 53min.

When are sunrise and sunset in December in Cottonwood?

On the first day of December, sunrise is at 7:40 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 4:52 pm CST.

How long on average sun shines in December in Cottonwood?

In Cottonwood, the average sunshine duration in December is 4.2h.

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

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 Cottonwood?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents 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
Cottonwood, MN

Average temperature in December - Cottonwood, MN
  • Average high temperature in December: 25.7°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (20.8°F).

  • Average low temperature in December: 14.5°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 (7.5°F).

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Average pressure in December
Cottonwood, MN

Average pressure in December - Cottonwood, MN
  • Average pressure in December: 30.12"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in December
Cottonwood, MN

Average wind speed in December - Cottonwood, MN
  • Average wind speed in December: 10.5mph

The windiest months (with the highest average wind speed) are February, April and November (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

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Average humidity in December
Cottonwood, MN

Average humidity in December - Cottonwood, MN
  • Average humidity in December: 85%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in December
Cottonwood, MN

Average rainfall in December - Cottonwood, MN
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in December
Cottonwood, MN

Average rainfall days in December - Cottonwood, MN
  • Average rainfall days in December: 3.5 days

The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is February (1.8 days).

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Average snowfall in December
Cottonwood, MN

Average snowfall in December - Cottonwood, MN
  • Average snowfall in December: 4.49"

The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Cottonwood, MN

Average snowfall days in December - Cottonwood, MN
  • Average snowfall days in December: 11.2 days

The month with the highest number of snowfall days is January (12.3 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
Cottonwood, MN

Average daylight in December / Average sunshine in December - Cottonwood, MN
  • Average daylight in December: 8h and 5min

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

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in December
Cottonwood, MN

Average sunshine days in December - Cottonwood, MN
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is June (8 days).

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Average UV index in December
Cottonwood, MN

Average UV index in December - Cottonwood, MN
  • 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).

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Average cloud cover in December
Cottonwood, MN

Average cloud cover in December - Cottonwood, MN
  • Average cloud cover in December: 55

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in December
Cottonwood, MN

Average visibility in December - Cottonwood, MN
  • Average visibility in December: 6mi

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

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Cottonwood, Minnesota, USA

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