December weather forecast
Trosky, MN

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Weather in December

The first month of the winter, December, is also a subzero cold month in Trosky, Minnesota, with an average temperature varying between 25.7°F (-3.5°C) and 14.2°F (-9.9°C).

Temperature

With the onset of December, Trosky experiences a distinct temperature drop, with the average high-temperature reducing from November's cold 41.5°F (5.3°C) to a freezing cold 25.7°F (-3.5°C). Trosky encounters a steady low-temperature average of 14.2°F (-9.9°C) throughout the month of December.

Humidity

In Trosky, the average relative humidity in December is 86%.

Rainfall

In Trosky, in December, it is raining for 3.6 days, with typically 1.1" (28mm) of accumulated precipitation. In Trosky, during the entire year, the rain falls for 113.8 days and collects up to 21.57" (548mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Trosky, during December, snow falls for 11 days and regularly aggregates up to 4.41" (112mm) of snow. Throughout the year, there are 52.5 snowfall days, and 21.34" (542mm) of snow is accumulated.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:40 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 4:57 pm CST.

Sunshine

In Trosky, the average sunshine in December is 4h.

UV index

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To guard against the harmful effects of the Sun, minimize exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature during December is 25.7°F (-3.5°C) and the low-temperature is 14.2°F (-9.9°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 84.2°F (29°C).

What is the average humidity in December?

In December, the average relative humidity is 86%.

How much does it rain in December?

In Trosky, in December, during 3.6 rainfall days, 1.1" (28mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Trosky, in December, during 11 snowfall days, 4.41" (112mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year in Trosky, with an average of 9h and 0min of daylight.

How many hours of daylight does Trosky have in December?

The average day length in December is 8h and 58min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:40 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 4:57 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 4h.

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from 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
Trosky, MN

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

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (21.4°F).

  • Average low temperature in December: 14.2°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).

Average pressure in December
Trosky, MN

Average pressure in December - Trosky, 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).

Average wind speed in December
Trosky, MN

Average wind speed in December - Trosky, MN
  • Average wind speed in December: 10.6mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).

Average humidity in December
Trosky, MN

Average humidity in December - Trosky, MN
  • Average humidity in December: 86%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (68%).

Average rainfall in December
Trosky, MN

Average rainfall in December - Trosky, MN
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is June (3.31").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days in December
Trosky, MN

Average rainfall days in December - Trosky, MN
  • Average rainfall days in December: 3.6 days

The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is January (2.2 days).

Average snowfall in December
Trosky, MN

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

The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Trosky, MN

Average snowfall days in December - Trosky, MN
  • Average snowfall days in December: 11 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Trosky, MN
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 4h 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: 3h and 48min).

Average sunshine days in December
Trosky, MN

Average sunshine days in December - Trosky, MN
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in December
Trosky, MN

Average UV index in December - Trosky, MN
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).

Average cloud cover in December
Trosky, MN

Average cloud cover in December - Trosky, MN
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in December
Trosky, MN

Average visibility in December - Trosky, 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).

Trosky, Minnesota, USA

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