December weather forecast
Glen Haven, WI

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Weather in December

The first month of the winter, December, is still a freezing cold month in Glen Haven, Wisconsin, with an average temperature fluctuating between 20.3°F (-6.5°C) and 30.4°F (-0.9°C).

Temperature

A change in temperatures is noted as November gives way to December, with average highs reducing from a chilly 43.5°F (6.4°C) to a subzero cold 30.4°F (-0.9°C). In Glen Haven, the expected average low-temperature for December is 20.3°F (-6.5°C).

Humidity

In December, the average relative humidity in Glen Haven, Wisconsin, is 83%.

Rainfall

In Glen Haven, Wisconsin, in December, it is raining for 6 days, with typically 1.42" (36mm) of accumulated precipitation. In Glen Haven, during the entire year, the rain falls for 138.5 days and collects up to 28.46" (723mm) of precipitation.

Snowfall

Months with snowfall in Glen Haven are January through May, October through December. In Glen Haven, during December, snow falls for 10.6 days and regularly aggregates up to 3.94" (100mm) of snow. In Glen Haven, during the entire year, snow falls for 48.6 days and aggregates up to 19.57" (497mm) of snow.

Daylight

December has the shortest days of the year in Glen Haven, with an average of 9h and 6min of daylight.
On the first day of December, sunrise is at 7:15 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:40 pm CST.

Sunshine

In Glen Haven, the average sunshine in December is 4h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 1 in December leads to these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Glen Haven?

The high-temperature, in December, in Glen Haven, is 30.4°F (-0.9°C), while the low-temperature averages to 20.3°F (-6.5°C).

What is the average humidity in December in Glen Haven?

The average relative humidity in December in Glen Haven is 83%.

How many days does it rain in December in Glen Haven?

In December, in Glen Haven, the rain falls for 6 days. Throughout December, 1.42" (36mm) of precipitation is accumulated.

How many days does it snow in December in Glen Haven?

In Glen Haven, Wisconsin, in December, snow falls for 10.6 days, with typically accumulated 3.94" (100mm) of snow.

What is the month with the shortest days in Glen Haven?

December has the shortest days of the year in Glen Haven, Wisconsin, with an average of 9h and 6min of daylight.

How many hours of daylight does Glen Haven have in December?

In December, the average day length in Glen Haven, Wisconsin, is 9h and 5min.

When is the sunrise / sunset in December in Glen Haven?

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 4:31 pm. On the last day of the month, in Glen Haven, Wisconsin, sunrise is at 7:34 am and sunset at 4:40 pm CST.

How long on average sun shines in December in Glen Haven?

The average sunshine duration in December in Glen Haven is 4h.

What are the months with the lowest UV index in Glen Haven?

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

What is the UV index reading in December in Glen Haven?

In December, the average daily maximum UV index in Glen Haven, Wisconsin, is 1. A UV Index estimate of 2, and below, represents a low health threat 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
Glen Haven, WI

Average temperature in December - Glen Haven, WI
  • Average high temperature in December: 30.4°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.7°F).

  • Average low temperature in December: 20.3°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

Average pressure in December
Glen Haven, WI

Average pressure in December - Glen Haven, WI
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Glen Haven, WI

Average wind speed in December - Glen Haven, WI
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in December
Glen Haven, WI

Average humidity in December - Glen Haven, WI
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (75%).

Average rainfall in December
Glen Haven, WI

Average rainfall in December - Glen Haven, WI
  • Average rainfall in December: 1.42"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in December
Glen Haven, WI

Average rainfall days in December - Glen Haven, WI
  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (4.4 days).

Average snowfall in December
Glen Haven, WI

Average snowfall in December - Glen Haven, WI
  • Average snowfall in December: 3.94"

The month with the highest snowfall is January (5.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Glen Haven, WI

Average snowfall days in December - Glen Haven, WI
  • Average snowfall days in December: 10.6 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Glen Haven, WI

Average daylight in December / Average sunshine in December - Glen Haven, WI
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 0min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in December
Glen Haven, WI

Average sunshine days in December - Glen Haven, WI
  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in December
Glen Haven, WI

Average UV index in December - Glen Haven, WI
  • 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, November and December (UV index 1).

Average cloud cover in December
Glen Haven, WI

Average cloud cover in December - Glen Haven, WI
  • 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 31).

Average visibility in December
Glen Haven, WI

Average visibility in December - Glen Haven, WI
  • Average visibility in December: 6mi

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

Glen Haven, Wisconsin, USA

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