December weather forecast
Owatonna, MN

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Weather in December

In December, Owatonna officially enters winter, experiencing a full circle of seasons. The cold becomes intense with the minimum temperature plummeting to 15.3°F (-9.3°C) and max touching only 25.9°F (-3.4°C), mirroring the January low. Frequent snowfall and a striking increase in the number of snowy days reinforce the winter setting. With the least amount of daylight and the color-blanched landscape, it's evident that mid-winter has arrived. Clearly, December completes the weather year for Owatonna, showcasing the city's resilience in adjusting to considerable seasonal variations.

Temperature

The average high-temperature in Owatonna exhibits a considerable decrease in December, dropping from a wintry 40.8°F (4.9°C) in November to a subzero cold 25.9°F (-3.4°C). The low-temperature average for Owatonna during December stands at a still freezing cold 15.3°F (-9.3°C).

Humidity

In December, the average relative humidity is 88%.

Rainfall

In Owatonna, in December, during 4.2 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Owatonna, during the entire year, the rain falls for 123.9 days and collects up to 23.74" (603mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Owatonna, in December, snow falls for 12.7 days, with typically accumulated 4.41" (112mm) of snow. In Owatonna, during the entire year, snow falls for 56.8 days and aggregates up to 24.06" (611mm) of snow.

Daylight

December has the shortest days of the year in Owatonna, with an average of 8h and 54min of daylight.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:35 pm. On the last day of December, in Owatonna, sunrise is at 7:47 am and sunset at 4:44 pm CST.

Sunshine

In December, the average sunshine in Owatonna is 3.7h.

UV index

The months with the lowest UV index in Owatonna are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In December, the maximum UV index of 1 suggests this advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

How cold is December in Owatonna?

The average high-temperature and low-temperature in Owatonna during December are 25.9°F (-3.4°C) and 15.3°F (-9.3°C) respectively.

What is the average humidity in December in Owatonna?

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

How much does it rain in Owatonna in December?

In Owatonna, Minnesota, in December, it is raining for 4.2 days, with typically 1.3" (33mm) of accumulated precipitation.

How many days does it snow in December in Owatonna?

In Owatonna, in December, during 12.7 snowfall days, 4.41" (112mm) of snow is typically accumulated.

What is the month with the shortest days in Owatonna?

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

How many hours of daylight does Owatonna have in December?

The average day length in December is 8h and 57min.

What time are sunrise and sunset in December in Owatonna?

On the first day of December in Owatonna, Minnesota, sunrise is at 7:28 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:44 pm CST.

How long on average sun shines in December in Owatonna?

In Owatonna, the average sunshine duration in December is 3.7h.

When is the lowest UV index in Owatonna?

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

What is the UV index reading in December in Owatonna?

In Owatonna, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes 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
Owatonna, MN

Average temperature in December - Owatonna, MN
  • Average high temperature in December: 25.9°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (20.5°F).

  • Average low temperature in December: 15.3°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).

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Average pressure in December
Owatonna, MN

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

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in December
Owatonna, MN

Average wind speed in December - Owatonna, MN
  • Average wind speed in December: 8.9mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).

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Average humidity in December
Owatonna, MN

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

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Owatonna, MN

Average rainfall in December - Owatonna, MN
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in December
Owatonna, MN

Average rainfall days in December - Owatonna, MN
  • Average rainfall days in December: 4.2 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (1.8 days).

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Average snowfall in December
Owatonna, MN

Average snowfall in December - Owatonna, MN
  • Average snowfall in December: 4.41"

The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Owatonna, MN

Average snowfall days in December - Owatonna, MN
  • Average snowfall days in December: 12.7 days

The month with the highest number of snowfall days is December (12.7 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
Owatonna, MN

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 3h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in December
Owatonna, MN

Average sunshine days in December - Owatonna, MN
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.4 days).

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Average UV index in December
Owatonna, MN

Average UV index in December - Owatonna, 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
Owatonna, MN

Average cloud cover in December - Owatonna, MN
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in December
Owatonna, MN

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

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

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Owatonna, Minnesota, USA

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