December weather forecast
Wheaton, MN

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Weather in December

December, the first month of the winter in Wheaton, is still a freezing cold month, with an average temperature varying between 23.9°F (-4.5°C) and 12.7°F (-10.7°C).

Temperature

The start of December is characterized by a significant decrease in the average high-temperature, moving from an icy 40.1°F (4.5°C) in November to a subzero cold 23.9°F (-4.5°C). In the month of December, Wheaton's average low-temperature falls to a frigid cold 12.7°F (-10.7°C).

Humidity

In December, the average relative humidity in Wheaton is 85%.

Rainfall

In Wheaton, Minnesota, in December, it is raining for 3.7 days, with typically 0.94" (24mm) of accumulated precipitation. In Wheaton, Minnesota, during the entire year, the rain falls for 102 days and collects up to 19.17" (487mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Wheaton. December is the month with the most snowfall. Snow falls for 11.5 days and accumulates 4.45" (113mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 42min of daylight.
On the first day of the month, sunrise is at 7:47 am and sunset at 4:43 pm. On the last day of December, sunrise is at 8:07 am and sunset at 4:51 pm CST.

Sunshine

In Wheaton, the average sunshine in December is 3.8h.

UV index

January 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 health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 1 suggests this advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

How cold is it in Wheaton in December?

December temperatures in Wheaton vary between a high-temperature of 23.9°F (-4.5°C) and a low-temperature of 12.7°F (-10.7°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 84.2°F (29°C).

What is the average humidity in December in Wheaton?

The average relative humidity in December is 85%.

How many days does it rain in December in Wheaton?

In Wheaton, Minnesota, in December, it is raining for 3.7 days, with typically 0.94" (24mm) of accumulated precipitation.

What is the snowiest month in Wheaton?

December is the month with the most snowfall in Wheaton. Snow falls for 11.5 days and accumulates 4.45" (113mm) of snow.

How many days does it snow in December in Wheaton?

In Wheaton, in December, during 11.5 snowfall days, 4.45" (113mm) of snow is typically accumulated.

What is the month with the shortest days in Wheaton?

The month with the shortest days is December, with an average of 8h and 42min of daylight.

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

In Wheaton, Minnesota, the average day length in December is 8h and 44min.

What time are sunrise and sunset in December in Wheaton?

In December, on the first day of the month, sunrise is at 7:47 am and sunset at 4:43 pm. On the last day of the month, in Wheaton, sunrise is at 8:07 am and sunset at 4:51 pm CST.

How long on average sun shines in December in Wheaton?

In Wheaton, Minnesota, the average sunshine duration in December is 3.8h.

What is the month with the lowest UV index in Wheaton?

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

What is the UV index reading in December in Wheaton?

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

Average temperature in December - Wheaton, MN
  • Average high temperature in December: 23.9°F

The warmest months (with the highest average high temperature) are July and August (81.3°F).
The month with the lowest average high temperature is January (18.7°F).

  • Average low temperature in December: 12.7°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 (4.8°F).

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Average pressure in December
Wheaton, MN

Average pressure in December - Wheaton, 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).

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Average wind speed in December
Wheaton, MN

Average wind speed in December - Wheaton, MN
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).

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Average humidity in December
Wheaton, MN

Average humidity in December - Wheaton, MN
  • Average humidity in December: 85%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (65%).

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Average rainfall in December
Wheaton, MN

Average rainfall in December - Wheaton, MN
  • Average rainfall in December: 0.94"

The wettest months (with the highest rainfall) are June and July (3.03").
The driest month (with the least rainfall) is February (0.55").

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Average rainfall days in December
Wheaton, MN

Average rainfall days in December - Wheaton, MN
  • Average rainfall days in December: 3.7 days

The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2 days).

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Average snowfall in December
Wheaton, MN

Average snowfall in December - Wheaton, MN
  • Average snowfall in December: 4.45"

The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Wheaton, MN

Average snowfall days in December - Wheaton, MN
  • Average snowfall days in December: 11.5 days

The month with the highest number of snowfall days is January (12.3 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
Wheaton, MN

Average daylight in December / Average sunshine in December - Wheaton, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in December
Wheaton, MN

Average sunshine days in December - Wheaton, MN
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is June (12.4 days).

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Average UV index in December
Wheaton, MN

Average UV index in December - Wheaton, 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 and December (UV index 1).

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Average cloud cover in December
Wheaton, MN

Average cloud cover in December - Wheaton, MN
  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in December
Wheaton, MN

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

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

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Wheaton, Minnesota, USA

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