December weather forecast
Reedsburg, WI

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Weather in December

December, the first month of the winter in Reedsburg, is also a subzero cold month, with temperature in the range of an average low of 18.3°F (-7.6°C) and an average high of 28.8°F (-1.8°C).

Temperature

As December commences, the average high-temperature shows a reduction, transitioning from an icy 41.7°F (5.4°C) in November to a freezing cold 28.8°F (-1.8°C). Reedsburg records a consistent low-temperature of 18.3°F (-7.6°C) during December nights.

Humidity

The average relative humidity in December in Reedsburg is 86%.

Rainfall

In Reedsburg, Wisconsin, in December, it is raining for 4.2 days, with typically 0.94" (24mm) of accumulated precipitation. In Reedsburg, during the entire year, the rain falls for 117.9 days and collects up to 21.02" (534mm) of precipitation.

Snowfall

Months with snowfall in Reedsburg are January through April, October through December. In Reedsburg, in December, snow falls for 10.9 days, with typically accumulated 2.95" (75mm) of snow. In Reedsburg, during the entire year, snow falls for 54.1 days and aggregates up to 17.09" (434mm) of snow.

Daylight

The month with the shortest days in Reedsburg is December, with an average of 9h and 0min of daylight.
On the first day of December in Reedsburg, sunrise is at 7:13 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:33 pm CST.

Sunshine

In December, the average sunshine in Reedsburg is 3.5h.

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 low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 1 in December leads to these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

How cold is December in Reedsburg?

The average high-temperature and low-temperature in Reedsburg, Wisconsin, during December are 28.8°F (-1.8°C) and 18.3°F (-7.6°C) respectively.

What is the average humidity in December in Reedsburg?

In December, the average relative humidity is 86%.

How much does it rain in Reedsburg in December?

In December, in Reedsburg, the rain falls for 4.2 days. Throughout December, 0.94" (24mm) of precipitation is accumulated.

How many days does it snow in December in Reedsburg?

In December, in Reedsburg, it is snowing for 10.9 days. Throughout December, 2.95" (75mm) of snow is accumulated.

What is the month with the shortest days in Reedsburg?

December has the shortest days of the year, with an average of 9h and 0min of daylight.

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

In December, the average day length in Reedsburg is 9h and 1min.

When are sunrise and sunset in December in Reedsburg?

In December, on the first day of the month, sunrise is at 7:13 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:33 pm CST.

How long on average sun shines in December in Reedsburg?

In December, the average sunshine duration is 3.5h.

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

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 Reedsburg?

In December, the average daily maximum UV index in Reedsburg is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Reedsburg, WI

Average temperature in December - Reedsburg, WI
  • Average high temperature in December: 28.8°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.3°F).

  • Average low temperature in December: 18.3°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

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Average pressure in December
Reedsburg, WI

Average pressure in December - Reedsburg, WI
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Reedsburg, WI

Average wind speed in December - Reedsburg, WI
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in December
Reedsburg, WI

Average humidity in December - Reedsburg, WI
  • Average humidity in December: 86%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in December
Reedsburg, WI

Average rainfall in December - Reedsburg, WI
  • Average rainfall in December: 0.94"

The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days in December
Reedsburg, WI

Average rainfall days in December - Reedsburg, WI
  • Average rainfall days in December: 4.2 days

The months with the highest number of rainy days are May and June (16.1 days).
The month with the least rainy days is February (2.5 days).

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Average snowfall in December
Reedsburg, WI

Average snowfall in December - Reedsburg, WI
  • Average snowfall in December: 2.95"

The month with the highest snowfall is February (4.37").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Reedsburg, WI

Average snowfall days in December - Reedsburg, WI
  • Average snowfall days in December: 10.9 days

The month with the highest number of snowfall days is January (13 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
Reedsburg, WI

Average daylight in December / Average sunshine in December - Reedsburg, WI
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 3h and 3min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in December
Reedsburg, WI

Average sunshine days in December - Reedsburg, WI
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (11.5 days).

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Average UV index in December
Reedsburg, WI

Average UV index in December - Reedsburg, WI
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 5).
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
Reedsburg, WI

Average cloud cover in December - Reedsburg, WI
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July, August and September (Cloud cover 36).

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Average visibility in December
Reedsburg, WI

Average visibility in December - Reedsburg, WI
  • Average visibility in December: 5mi

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

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Reedsburg, Wisconsin, USA

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