December weather forecast
Ottertail, MN

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Weather in December

The first month of the winter, December, is still a freezing cold month in Ottertail, Minnesota, with an average temperature fluctuating between 21.4°F (-5.9°C) and 11.5°F (-11.4°C).

Temperature

December signals a significant shift in the average high-temperature, falling from November's wintry 36°F (2.2°C) to a freezing cold 21.4°F (-5.9°C). The mean low-temperature during December nights in Ottertail is a frigid cold 11.5°F (-11.4°C).

Humidity

In December, the average relative humidity in Ottertail is 88%.

Rainfall

In December, the rain falls for 2.7 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 107.6 rainfall days, and 17.83" (453mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Ottertail. December is the month with the most snowfall. Snow falls for 17.3 days and accumulates 4.8" (122mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 42min of daylight.
On the first day of the month, sunrise is at 7:45 am and sunset at 4:37 pm. On the last day of December, in Ottertail, sunrise is at 8:05 am and sunset at 4:45 pm CST.

Sunshine

In Ottertail, the average sunshine in December is 3h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Experience reduced UV exposure by about half when donning a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

How cold is it in Ottertail in December?

In Ottertail, in December, the average high-temperature is 21.4°F (-5.9°C), and the average low-temperature is 11.5°F (-11.4°C).

What is the average humidity in December in Ottertail?

In Ottertail, Minnesota, the average relative humidity in December is 88%.

How many days does it rain in December in Ottertail?

In Ottertail, Minnesota, in December, during 2.7 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

What is the snowiest month in Ottertail?

The month with the most snowfall in Ottertail, Minnesota, is December, when snow falls for 17.3 days and typically aggregates up to 4.8" (122mm) of snow.

How much does it snow in Ottertail in December?

In Ottertail, during December, snow falls for 17.3 days and regularly aggregates up to 4.8" (122mm) of snow.

What is the month with the shortest days in Ottertail?

The month with the shortest days is December, with an average of 8h and 42min of daylight.

How many hours of daylight does Ottertail have in December?

The average day length in December in Ottertail is 8h and 40min.

When are sunrise and sunset in December in Ottertail?

In December, on the first day of the month, sunrise is at 7:45 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 4:45 pm CST.

How many hours of sunshine does Ottertail have in December?

In Ottertail, the average sunshine duration in December is 3h.

What is the month with the lowest UV index in Ottertail?

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 Ottertail?

The average daily maximum UV index in December in Ottertail, Minnesota, is 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to 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
Ottertail, MN

Average temperature in December - Ottertail, MN
  • Average high temperature in December: 21.4°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (16.2°F).

  • Average low temperature in December: 11.5°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (3.6°F).

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Average pressure in December
Ottertail, MN

Average pressure in December - Ottertail, MN
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in December
Ottertail, MN

Average wind speed in December - Ottertail, MN
  • Average wind speed in December: 9.1mph

The windiest months (with the highest average wind speed) are April, October and November (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).

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Average humidity in December
Ottertail, MN

Average humidity in December - Ottertail, MN
  • Average humidity in December: 88%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (69%).

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Average rainfall in December
Ottertail, MN

Average rainfall in December - Ottertail, MN
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is June (2.95").
The driest months (with the least rainfall) are January and February (0.55").

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Average rainfall days in December
Ottertail, MN

Average rainfall days in December - Ottertail, MN
  • Average rainfall days in December: 2.7 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (2.4 days).

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Average snowfall in December
Ottertail, MN

Average snowfall in December - Ottertail, MN
  • Average snowfall in December: 4.8"

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

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Average snowfall days in December
Ottertail, MN

Average snowfall days in December - Ottertail, MN
  • Average snowfall days in December: 17.3 days

The month with the highest number of snowfall days is January (17.4 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
Ottertail, MN

Average daylight in December / Average sunshine in December - Ottertail, MN
  • 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 42min).

  • Average sunshine in December: 3h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

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Average sunshine days in December
Ottertail, MN

Average sunshine days in December - Ottertail, MN
  • Average sunshine days in December: 13.7 days

The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in December
Ottertail, MN

Average UV index in December - Ottertail, MN
  • Average UV index in December: 1

The month with the highest UV index is 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
Ottertail, MN

Average cloud cover in December - Ottertail, MN
  • Average cloud cover in December: 69

The month with the most cloud cover is January (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 30).

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Average visibility in December
Ottertail, MN

Average visibility in December - Ottertail, MN
  • Average visibility in December: 5mi

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

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Ottertail, Minnesota, USA

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