December weather forecast
Dayton, MN

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Weather in December

The first month of the winter, December, is also a subzero cold month in Dayton, Minnesota, with an average temperature fluctuating between 14.9°F (-9.5°C) and 24.1°F (-4.4°C).

Temperature

As Dayton transitions into December, a noticeable drop in the average high-temperature is observed, falling from a cold 39.7°F (4.3°C) in November to a freezing cold 24.1°F (-4.4°C). An average low-temperature of 14.9°F (-9.5°C) is expected in Dayton during December.

Humidity

In Dayton, the average relative humidity in December is 87%.

Rainfall

In Dayton, in December, it is raining for 4.4 days, with typically 1.02" (26mm) of accumulated precipitation. In Dayton, during the entire year, the rain falls for 118.9 days and collects up to 20.75" (527mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 11.6 days and typically aggregates up to 4.61" (117mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 48min of daylight.
On the first day of the month, sunrise is at 7:33 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:53 am and sunset at 4:41 pm CST.

Sunshine

In December, the average sunshine is 3.3h.

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 of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily UV index of 1 turns into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Always opt for UVA and UVB-resistant sunglasses on radiant days. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

How cold is December in Dayton?

An average high-temperature, in December, in Dayton, is 24.1°F (-4.4°C) and the average low-temperature is 14.9°F (-9.5°C).

What is the average humidity in December in Dayton?

The average relative humidity in December in Dayton is 87%.

How much does it rain in Dayton in December?

In Dayton, in December, during 4.4 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When does it snow the most in Dayton?

December is the month with the most snowfall in Dayton. Snow falls for 11.6 days and accumulates 4.61" (117mm) of snow.

How much does it snow in Dayton in December?

In Dayton, in December, during 11.6 snowfall days, 4.61" (117mm) of snow is typically accumulated.

What is the month with the shortest days in Dayton?

The month with the shortest days in Dayton is December, with an average of 8h and 48min of daylight.

How many hours of daylight does Dayton have in December?

In Dayton, the average day length in December is 8h and 49min.

What time are sunrise and sunset in December in Dayton?

In December, on the first day of the month, sunrise is at 7:33 am and sunset at 4:33 pm. On the last day of the month, in Dayton, Minnesota, sunrise is at 7:53 am and sunset at 4:41 pm CST.

How long on average sun shines in December in Dayton?

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

When is the lowest UV index in Dayton?

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

How high is the UV index in December in Dayton?

In Dayton, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Dayton, MN

Average temperature in December - Dayton, MN
  • Average high temperature in December: 24.1°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (19.2°F).

  • Average low temperature in December: 14.9°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (6.8°F).

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Average pressure in December
Dayton, MN

Average pressure in December - Dayton, 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 (29.88"Hg).

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Average wind speed in December
Dayton, MN

Average wind speed in December - Dayton, MN
  • Average wind speed in December: 8.3mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in December
Dayton, MN

Average humidity in December - Dayton, MN
  • Average humidity in December: 87%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in December
Dayton, MN

Average rainfall in December - Dayton, MN
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in December
Dayton, MN

Average rainfall days in December - Dayton, MN
  • Average rainfall days in December: 4.4 days

The month with the highest number of rainy days is June (16.2 days).
The month with the least rainy days is January (2.5 days).

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Average snowfall in December
Dayton, MN

Average snowfall in December - Dayton, MN
  • Average snowfall in December: 4.61"

The month with the highest snowfall is December (4.61").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Dayton, MN

Average snowfall days in December - Dayton, MN
  • Average snowfall days in December: 11.6 days

The month with the highest number of snowfall days is January (12.9 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
Dayton, MN

Average daylight in December / Average sunshine in December - Dayton, 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: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days in December
Dayton, MN

Average sunshine days in December - Dayton, MN
  • Average sunshine days in December: 17.9 days

The months with the most sunshine days are January and October (18.4 days).
The month with the least sunshine days is June (11.1 days).

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Average UV index in December
Dayton, MN

Average UV index in December - Dayton, 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, February, November and December (UV index 1).

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Average cloud cover in December
Dayton, MN

Average cloud cover in December - Dayton, MN
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in December
Dayton, MN

Average visibility in December - Dayton, 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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Dayton, Minnesota, USA

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