December weather forecast
Port Wing, WI

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Weather in December

December, the first month of the winter in Port Wing, is still a freezing cold month, with an average temperature fluctuating between 18°F (-7.8°C) and 25.3°F (-3.7°C).

Temperature

Setting in of December comes with a decrease in the average high-temperature, moving from a cold 37.6°F (3.1°C) in November to a subzero cold 25.3°F (-3.7°C). Port Wing's nighttime average temperature in December drops marginally from the daytime highs, settling at 18°F (-7.8°C).

Humidity

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

Rainfall

In Port Wing, in December, during 5.8 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, in Port Wing, there are 127.9 rainfall days, and 22.56" (573mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Port Wing are January through May, October through December. In Port Wing, in December, during 20.4 snowfall days, 6.81" (173mm) of snow is typically accumulated. Throughout the year, in Port Wing, Wisconsin, there are 95.5 snowfall days, and 33.54" (852mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 7:30 am and sunset at 4:19 pm. On the last day of December, sunrise is at 7:50 am and sunset at 4:27 pm CST.

Sunshine

In Port Wing, Wisconsin, the average sunshine in December is 2.6h.

UV index

The months with the lowest UV index in Port Wing are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 1 during December leads to these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

How cold is December in Port Wing?

In December, the average high-temperature and low-temperature in Port Wing, Wisconsin, are 25.3°F (-3.7°C) and 18°F (-7.8°C) respectively.

What is the average humidity in December in Port Wing?

In December, the average relative humidity is 87%.

How much does it rain in Port Wing in December?

In Port Wing, Wisconsin, in December, during 5.8 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

How much does it snow in Port Wing in December?

In December, in Port Wing, Wisconsin, it is snowing for 20.4 days. Throughout December, 6.81" (173mm) of snow is accumulated.

What is the month with the shortest days in Port Wing?

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

How many hours of daylight does Port Wing have in December?

In December, the average day length in Port Wing is 8h and 37min.

When are sunrise and sunset in December in Port Wing?

On the first day of December, sunrise is at 7:30 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 4:27 pm CST.

How long on average sun shines in December in Port Wing?

In December, the average sunshine duration in Port Wing is 2.6h.

What is the month with the lowest UV index in Port Wing?

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

What is the UV index reading in December in Port Wing?

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

Average temperature in December - Port Wing, WI
  • Average high temperature in December: 25.3°F

The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (20.3°F).

  • Average low temperature in December: 18°F

The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in December
Port Wing, WI

Average pressure in December - Port Wing, WI
  • Average pressure in December: 30.07"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).

Average wind speed in December
Port Wing, WI

Average wind speed in December - Port Wing, WI
  • Average wind speed in December: 10.6mph

The windiest months (with the highest average wind speed) are January and December (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

Average humidity in December
Port Wing, WI

Average humidity in December - Port Wing, WI
  • Average humidity in December: 87%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).

Average rainfall in December
Port Wing, WI

Average rainfall in December - Port Wing, WI
  • Average rainfall in December: 1.73"

The wettest months (with the highest rainfall) are May and July (2.56").
The driest months (with the least rainfall) are January and February (1.06").

Average rainfall days in December
Port Wing, WI

Average rainfall days in December - Port Wing, WI
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3.6 days).

Average snowfall in December
Port Wing, WI

Average snowfall in December - Port Wing, WI
  • Average snowfall in December: 6.81"

The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Port Wing, WI

Average snowfall days in December - Port Wing, WI
  • Average snowfall days in December: 20.4 days

The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Port Wing, WI

Average daylight in December / Average sunshine in December - Port Wing, WI
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 2h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

Average sunshine days in December
Port Wing, WI

Average sunshine days in December - Port Wing, WI
  • Average sunshine days in December: 8.7 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8.7 days).

Average UV index in December
Port Wing, WI

Average UV index in December - Port Wing, WI
  • 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, November and December (UV index 1).

Average cloud cover in December
Port Wing, WI

Average cloud cover in December - Port Wing, WI
  • Average cloud cover in December: 74

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Port Wing, WI

Average visibility in December - Port Wing, WI
  • Average visibility in December: 6mi

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

Port Wing, Wisconsin, USA

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