December weather forecast
Twin Valley, MN

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Weather in December

December, the first month of the winter in Twin Valley, is still a freezing cold month, with an average temperature varying between 20.1°F (-6.6°C) and 9°F (-12.8°C).

Temperature

December's arrival is marked by a significant decrease in the average high-temperature, moving from a cold 36.3°F (2.4°C) in November to a subzero cold 20.1°F (-6.6°C). Twin Valley experiences a mean temperature of 9°F (-12.8°C) during December nights.

Humidity

In December, the average relative humidity in Twin Valley is 89%.

Rainfall

In December, the rain falls for 2.5 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. In Twin Valley, during the entire year, the rain falls for 101.8 days and collects up to 17.44" (443mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Twin Valley. The month with the most snowfall in Twin Valley is December, when snow falls for 13.5 days and typically aggregates up to 4.49" (114mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 36min of daylight.
On the first day of December, sunrise is at 7:51 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 4:45 pm CST.

Sunshine

In December, the average sunshine in Twin Valley is 3.1h.

UV index

The months with the lowest UV index in Twin Valley are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: An average UV index of 1 in December transforms into this advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. It's recommended to limit sun exposure when its radiation is at its peak during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

How cold is December in Twin Valley?

The high-temperature during December is 20.1°F (-6.6°C) and the low-temperature is 9°F (-12.8°C).

What is the average humidity in December in Twin Valley?

In December, the average relative humidity in Twin Valley, Minnesota, is 89%.

How much does it rain in Twin Valley in December?

In Twin Valley, Minnesota, in December, during 2.5 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When does it snow the most in Twin Valley?

The month with the most snowfall in Twin Valley, Minnesota, is December, when snow falls for 13.5 days and typically aggregates up to 4.49" (114mm) of snow.

How many days does it snow in December in Twin Valley?

In Twin Valley, Minnesota, in December, during 13.5 snowfall days, 4.49" (114mm) of snow is typically accumulated.

What is the month with the shortest days in Twin Valley?

The month with the shortest days in Twin Valley is December, with an average of 8h and 36min of daylight.

How many hours of daylight does Twin Valley have in December?

The average day length in December is 8h and 33min.

When are sunrise and sunset in December in Twin Valley?

In December, on the first day of the month, sunrise is at 7:51 am and sunset at 4:36 pm. On the last day of the month, in Twin Valley, sunrise is at 8:11 am and sunset at 4:45 pm CST.

How many hours of sunshine does Twin Valley have in December?

In Twin Valley, the average sunshine duration in December is 3.1h.

When is the lowest UV index in Twin Valley?

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

What is the UV index intensity in December in Twin Valley?

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

Average temperature in December - Twin Valley, MN
  • Average high temperature in December: 20.1°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (15.6°F).

  • Average low temperature in December: 9°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (1°F).

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Average pressure in December
Twin Valley, MN

Average pressure in December - Twin Valley, MN
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is 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
Twin Valley, MN

Average wind speed in December - Twin Valley, MN
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

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Average humidity in December
Twin Valley, MN

Average humidity in December - Twin Valley, MN
  • Average humidity in December: 89%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (63%).

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Average rainfall in December
Twin Valley, MN

Average rainfall in December - Twin Valley, MN
  • Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in December
Twin Valley, MN

Average rainfall days in December - Twin Valley, MN
  • Average rainfall days in December: 2.5 days

The month with the highest number of rainy days is June (15.6 days).
The month with the least rainy days is January (1.5 days).

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Average snowfall in December
Twin Valley, MN

Average snowfall in December - Twin Valley, MN
  • Average snowfall in December: 4.49"

The month with the highest snowfall is December (4.49").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Twin Valley, MN

Average snowfall days in December - Twin Valley, MN
  • Average snowfall days in December: 13.5 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 and August (0 days).

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Average daylight in December /
Average sunshine in December
Twin Valley, MN

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

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 36min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

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Average sunshine days in December
Twin Valley, MN

Average sunshine days in December - Twin Valley, MN
  • Average sunshine days in December: 16.8 days

The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is June (11.5 days).

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Average UV index in December
Twin Valley, MN

Average UV index in December - Twin Valley, 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
Twin Valley, MN

Average cloud cover in December - Twin Valley, MN
  • Average cloud cover in December: 67

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in December
Twin Valley, MN

Average visibility in December - Twin Valley, 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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Twin Valley, Minnesota, USA

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