December weather forecast
Flensburg, MN

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Weather in December

The first month of the winter, December, is still a freezing cold month in Flensburg, Minnesota, with an average temperature ranging between max 23°F (-5°C) and min 12.6°F (-10.8°C).

Temperature

December's onset witnesses a marked shift in the average high-temperature, moving from a wintry 37.8°F (3.2°C) in November to a freezing cold 23°F (-5°C). During the month of December, an average temperature of 12.6°F (-10.8°C) is noted during the nights.

Humidity

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

Rainfall

In Flensburg, in December, during 3.2 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Flensburg, during the entire year, the rain falls for 109.2 days and collects up to 17.64" (448mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 14.7 days and accumulates 4.76" (121mm) of snow.

Daylight

With an average of 8h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:40 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:59 am and sunset at 4:43 pm CST.

Sunshine

The average sunshine in December is 3.2h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In December, a regular UV index of 1 translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The average high-temperature and low-temperature during December are 23°F (-5°C) and 12.6°F (-10.8°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is computed to be 86°F (30°C).

What is the average humidity in December?

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

How much does it rain in December?

In December, the rain falls for 3.2 days. Throughout December, 0.91" (23mm) of precipitation is accumulated.

What is the snowiest month?

December is the month with the most snowfall in Flensburg. Snow falls for 14.7 days and accumulates 4.76" (121mm) of snow.

How much does it snow in December?

In Flensburg, in December, snow falls for 14.7 days, with typically accumulated 4.76" (121mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 42min of daylight.

How many hours of daylight does Flensburg have in December?

In Flensburg, the average day length in December is 8h and 43min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:40 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 4:43 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration in Flensburg is 3.2h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a low health threat 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
Flensburg, MN

Average temperature in December - Flensburg, MN
  • Average high temperature in December: 23°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.1°F).

  • Average low temperature in December: 12.6°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).

Average pressure in December
Flensburg, MN

Average pressure in December - Flensburg, MN
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in December
Flensburg, MN

Average wind speed in December - Flensburg, MN
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity in December
Flensburg, MN

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

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (70%).

Average rainfall in December
Flensburg, MN

Average rainfall in December - Flensburg, MN
  • Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in December
Flensburg, MN

Average rainfall days in December - Flensburg, MN
  • Average rainfall days in December: 3.2 days

The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is February (2.5 days).

Average snowfall in December
Flensburg, MN

Average snowfall in December - Flensburg, MN
  • Average snowfall in December: 4.76"

The month with the highest snowfall is December (4.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Flensburg, MN

Average snowfall days in December - Flensburg, MN
  • Average snowfall days in December: 14.7 days

The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Flensburg, MN
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in December
Flensburg, MN

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

The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is June (12.7 days).

Average UV index in December
Flensburg, MN

Average UV index in December - Flensburg, 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).

Average cloud cover in December
Flensburg, MN

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

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Flensburg, MN

Average visibility in December - Flensburg, 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).

Flensburg, Minnesota, USA

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