December weather forecast
Saint Paul, MN

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The Saint Paul
The Saint Paul's Cathedral church ground in Saint Paul, Minnesota

Weather in December

December's weather solidifies the onset of winter in Saint Paul. Frigid conditions take center stage as temperature falls to a chilling low of 14.9°F (-9.5°C) and snowfall picks up to 4.65" (118mm). This contrasts significantly with November's more modest 3.27" (83mm) of snow, reinforcing December's reputation as a classic winter month. The climate, with its generous snowfall and low temperatures, composes a picturesque winter wonderland, making the city a captivating destination for holiday travelers. The last month of the year concludes on a chilly note, setting the scene for the new year's weather patterns to unfold.

Temperature

Saint Paul's weather in December is marked by a clear decrease in the average high-temperature, moving down from November's icy 40.1°F (4.5°C) to a freezing cold 25.3°F (-3.7°C). Throughout December, the temperature tends to fall to a consistent average low of 14.9°F (-9.5°C).

Humidity

The average relative humidity in December in Saint Paul is 88%.

Rainfall

In Saint Paul, Minnesota, during December, the rain falls for 3.7 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Saint Paul, during the entire year, the rain falls for 116.5 days and collects up to 21.81" (554mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Saint Paul, during December, snow falls for 11.5 days and regularly aggregates up to 4.65" (118mm) of snow. In Saint Paul, during the entire year, snow falls for 57.2 days and aggregates up to 23.15" (588mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 48min of daylight.
On the first day of the month, sunrise is at 7:30 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:50 am and sunset at 4:41 pm CST.

Sunshine

The average sunshine in December in Saint Paul is 3.3h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Saint Paul. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 1 in December leads to these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

How cold is December in Saint Paul?

The high-temperature in Saint Paul, Minnesota, during December is 25.3°F (-3.7°C) and the low-temperature is 14.9°F (-9.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is estimated at 86°F (30°C).

What is the average humidity in December in Saint Paul?

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

How much does it rain in Saint Paul in December?

In Saint Paul, Minnesota, in December, it is raining for 3.7 days, with typically 1.14" (29mm) of accumulated precipitation.

How many days does it snow in December in Saint Paul?

In Saint Paul, in December, during 11.5 snowfall days, 4.65" (118mm) of snow is typically accumulated.

What is the month with the shortest days in Saint Paul?

December has the shortest days of the year in Saint Paul, Minnesota, with an average of 8h and 48min of daylight.

How many hours of daylight does Saint Paul have in December?

The average day length in December is 8h and 50min.

When are sunrise and sunset in December in Saint Paul?

In December, on the first day of the month, sunrise is at 7:30 am and sunset at 4:32 pm. On the last day of the month, in Saint Paul, Minnesota, sunrise is at 7:50 am and sunset at 4:41 pm CST.

How many hours of sunshine does Saint Paul have in December?

The average sunshine duration in December in Saint Paul is 3.3h.

What is the month with the lowest UV index in Saint Paul?

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 Saint Paul?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Saint Paul, MN

Average temperature in December - Saint Paul, MN
  • Average high temperature in December: 25.3°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (19.9°F).

  • Average low temperature in December: 14.9°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).

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Average pressure in December
Saint Paul, MN

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

The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in December
Saint Paul, MN

Average wind speed in December - Saint Paul, MN
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in December
Saint Paul, MN

Average humidity in December - Saint Paul, MN
  • Average humidity in December: 88%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in December
Saint Paul, MN

Average rainfall in December - Saint Paul, MN
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in December
Saint Paul, MN

Average rainfall days in December - Saint Paul, MN
  • Average rainfall days in December: 3.7 days

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is February (2 days).

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Average snowfall in December
Saint Paul, MN

Average snowfall in December - Saint Paul, MN
  • Average snowfall in December: 4.65"

The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Saint Paul, MN

Average snowfall days in December - Saint Paul, MN
  • Average snowfall days in December: 11.5 days

The month with the highest number of snowfall days is January (13.8 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
Saint Paul, MN

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in December
Saint Paul, MN

Average sunshine days in December - Saint Paul, MN
  • Average sunshine days in December: 18.2 days

The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (10.7 days).

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Average UV index in December
Saint Paul, MN

Average UV index in December - Saint Paul, 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
Saint Paul, MN

Average cloud cover in December - Saint Paul, MN
  • Average cloud cover in December: 66

The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in December
Saint Paul, MN

Average visibility in December - Saint Paul, 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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Saint Paul, Minnesota, USA

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