December weather forecast
Westboro, WI

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Weather in December

The first month of the winter, December, is still a freezing cold month in Westboro, Wisconsin, with temperature in the range of an average high of 23.9°F (-4.5°C) and an average low of 14.2°F (-9.9°C).

Temperature

Westboro observes a minor decrease in the average high-temperature with the arrival of December, falling from November's cold 36.3°F (2.4°C) to a freezing cold 23.9°F (-4.5°C). In the month of December, the nighttime temperature in Westboro dips to a steady average of 14.2°F (-9.9°C).

Humidity

In December, the average relative humidity in Westboro is 90%.

Rainfall

In Westboro, in December, during 3.4 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Westboro, during the entire year, the rain falls for 124.1 days and collects up to 24.61" (625mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Westboro, Wisconsin. December is the month with the most snowfall. Snow falls for 17.7 days and accumulates 8.23" (209mm) of snow.

Daylight

The month with the shortest days in Westboro is December, with an average of 8h and 48min of daylight.
On the first day of December, sunrise is at 7:21 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:28 pm CST.

Sunshine

In December, the average sunshine in Westboro is 2.4h.

UV index

January, February, November 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 minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Enhance your sun protection with tightly woven, yet airy clothing. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

How cold is December in Westboro?

The average high-temperature and low-temperature in Westboro during December are 23.9°F (-4.5°C) and 14.2°F (-9.9°C) respectively.

What is the average humidity in December in Westboro?

In Westboro, the average relative humidity in December is 90%.

How many days does it rain in December in Westboro?

In Westboro, Wisconsin, in December, during 3.4 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

What is the snowiest month in Westboro?

December is the month with the most snowfall in Westboro. Snow falls for 17.7 days and accumulates 8.23" (209mm) of snow.

How much does it snow in Westboro in December?

In Westboro, in December, snow falls for 17.7 days, with typically accumulated 8.23" (209mm) of snow.

What is the month with the shortest days in Westboro?

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

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

In December, the average day length in Westboro, Wisconsin, is 8h and 48min.

When is the sunrise / sunset in December in Westboro?

On the first day of December in Westboro, sunrise is at 7:21 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:28 pm CST.

How long on average sun shines in December in Westboro?

In December, the average sunshine duration in Westboro is 2.4h.

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

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

What is the UV index intensity in December in Westboro?

In December, the average daily maximum UV index in Westboro, Wisconsin, is 1. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to 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
Westboro, WI

Average temperature in December - Westboro, WI
  • Average high temperature in December: 23.9°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (18.3°F).

  • Average low temperature in December: 14.2°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (6.6°F).

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Average pressure in December
Westboro, WI

Average pressure in December - Westboro, WI
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Westboro, WI

Average wind speed in December - Westboro, WI
  • Average wind speed in December: 8.4mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

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Average humidity in December
Westboro, WI

Average humidity in December - Westboro, WI
  • Average humidity in December: 90%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (73%).

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Average rainfall in December
Westboro, WI

Average rainfall in December - Westboro, WI
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days in December
Westboro, WI

Average rainfall days in December - Westboro, WI
  • Average rainfall days in December: 3.4 days

The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is January (1.8 days).

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Average snowfall in December
Westboro, WI

Average snowfall in December - Westboro, WI
  • Average snowfall in December: 8.23"

The month with the highest snowfall is December (8.23").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Westboro, WI

Average snowfall days in December - Westboro, WI
  • Average snowfall days in December: 17.7 days

The month with the highest number of snowfall days is January (19.8 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
Westboro, WI

Average daylight in December / Average sunshine in December - Westboro, WI
  • 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: 2h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).

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Average sunshine days in December
Westboro, WI

Average sunshine days in December - Westboro, WI
  • Average sunshine days in December: 13.1 days

The month with the most sunshine days is October (15.1 days).
The month with the least sunshine days is April (10.3 days).

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Average UV index in December
Westboro, WI

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

The months with the highest UV index are June and July (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
Westboro, WI

Average cloud cover in December - Westboro, WI
  • Average cloud cover in December: 77

The months with the most cloud cover are January and February (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 40).

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Average visibility in December
Westboro, WI

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

The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January and February (4mi).

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Westboro, Wisconsin, USA

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