December weather forecast
Finland, MN

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Weather in December

December, the first month of the winter in Finland, is still a freezing cold month, with temperature in the range of an average high of 23.5°F (-4.7°C) and an average low of 15.1°F (-9.4°C).

Temperature

The beginning of December marks a decrease in the average high-temperature, transitioning from an icy 36.1°F (2.3°C) in November to a freezing cold 23.5°F (-4.7°C). In Finland, nights during December observe an average temperature decrease to a still subzero cold 15.1°F (-9.4°C).

Humidity

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

Rainfall

In December, in Finland, the rain falls for 5.7 days. Throughout December, 1.54" (39mm) of precipitation is accumulated. In Finland, during the entire year, the rain falls for 130 days and collects up to 22.13" (562mm) of precipitation.

Snowfall

Months with snowfall in Finland are January through May, October through December. December is the month with the most snowfall. Snow falls for 17.1 days and accumulates 6.3" (160mm) of snow.

Daylight

With an average of 8h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:32 am and sunset at 4:16 pm. On the last day of December, sunrise is at 7:52 am and sunset at 4:24 pm CST.

Sunshine

In Finland, the average sunshine in December is 3.3h.

UV index

January, 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: An average maximum UV index of 1 in December leads to these recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Finland?

In December, in Finland, the average high-temperature is 23.5°F (-4.7°C), and the average low-temperature is 15.1°F (-9.4°C).

What is the average humidity in December in Finland?

The average relative humidity in December in Finland, Minnesota, is 88%.

How many days does it rain in December in Finland?

In Finland, in December, during 5.7 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

What is the snowiest month in Finland?

December is the month with the most snowfall in Finland, Minnesota. Snow falls for 17.1 days and accumulates 6.3" (160mm) of snow.

How many days does it snow in December in Finland?

In December, in Finland, it is snowing for 17.1 days. Throughout December, 6.3" (160mm) of snow is accumulated.

What is the month with the shortest days in Finland?

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

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

The average day length in December in Finland is 8h and 32min.

When are sunrise and sunset in December in Finland?

On the first day of December, sunrise is at 7:32 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 4:24 pm CST.

How long on average sun shines in December in Finland?

In Finland, Minnesota, the average sunshine duration in December is 3.3h.

When is the lowest UV index in Finland?

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

How high is the UV index in December in Finland?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a low health threat 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
Finland, MN

Average temperature in December - Finland, MN
  • Average high temperature in December: 23.5°F

The warmest month (with the highest average high temperature) is August (70°F).
The month with the lowest average high temperature is January (18.1°F).

  • Average low temperature in December: 15.1°F

The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).

Average pressure in December
Finland, MN

Average pressure in December - Finland, MN
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in December
Finland, MN

Average wind speed in December - Finland, MN
  • Average wind speed in December: 10.3mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in December
Finland, MN

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

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (75%).

Average rainfall in December
Finland, MN

Average rainfall in December - Finland, MN
  • Average rainfall in December: 1.54"

The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is February (0.87").

Average rainfall days in December
Finland, MN

Average rainfall days in December - Finland, MN
  • Average rainfall days in December: 5.7 days

The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in December
Finland, MN

Average snowfall in December - Finland, MN
  • Average snowfall in December: 6.3"

The month with the highest snowfall is December (6.3").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Finland, MN

Average snowfall days in December - Finland, MN
  • Average snowfall days in December: 17.1 days

The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Finland, 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: 3h 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: 3h and 12min).

Average sunshine days in December
Finland, MN

Average sunshine days in December - Finland, MN
  • Average sunshine days in December: 12 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is December (12 days).

Average UV index in December
Finland, MN

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

The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in December
Finland, MN

Average cloud cover in December - Finland, MN
  • Average cloud cover in December: 67

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 31).

Average visibility in December
Finland, MN

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

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

Finland, Minnesota, USA

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