December weather forecast
Packwaukee, WI

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Weather in December

December, the first month of the winter in Packwaukee, is also a subzero cold month, with an average temperature ranging between min 18.5°F (-7.5°C) and max 28.8°F (-1.8°C).

Temperature

In December, the average high-temperature goes from a cold 41.7°F (5.4°C) in November to a subzero cold 28.8°F (-1.8°C). In Packwaukee, the average nighttime temperature during December is 18.5°F (-7.5°C).

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Packwaukee, during December, the rain falls for 6.4 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Packwaukee, during the entire year, the rain falls for 146.3 days and collects up to 29.45" (748mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Packwaukee, in December, snow falls for 13.4 days, with typically accumulated 5.24" (133mm) of snow. Throughout the year, there are 61.9 snowfall days, and 24.76" (629mm) of snow is accumulated.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:12 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:30 pm CST.

Sunshine

In Packwaukee, the average sunshine in December is 3.8h.

UV index

January, 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 low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 1 during December translates into the following directions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The average high-temperature and low-temperature during December are 28.8°F (-1.8°C) and 18.5°F (-7.5°C) respectively.

What is the average humidity in December?

In Packwaukee, the average relative humidity in December is 85%.

How many days does it rain in December?

In Packwaukee, in December, it is raining for 6.4 days, with typically 1.69" (43mm) of accumulated precipitation.

How many days does it snow in December?

In Packwaukee, during December, snow falls for 13.4 days and regularly aggregates up to 5.24" (133mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

What is the average length of the day in December?

The average day length in December is 8h and 59min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:12 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:30 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 3.8h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index in Packwaukee 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
Packwaukee, WI

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

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (22.3°F).

  • Average low temperature in December: 18.5°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 (10.4°F).

Average pressure in December
Packwaukee, WI

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Packwaukee, WI

Average wind speed in December - Packwaukee, WI
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity in December
Packwaukee, WI

Average humidity in December - Packwaukee, WI
  • Average humidity in December: 85%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (75%).

Average rainfall in December
Packwaukee, WI

Average rainfall in December - Packwaukee, WI
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (1.22").

Average rainfall days in December
Packwaukee, WI

Average rainfall days in December - Packwaukee, WI
  • Average rainfall days in December: 6.4 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (4.1 days).

Average snowfall in December
Packwaukee, WI

Average snowfall in December - Packwaukee, WI
  • Average snowfall in December: 5.24"

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Packwaukee, WI

Average snowfall days in December - Packwaukee, WI
  • Average snowfall days in December: 13.4 days

The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Packwaukee, WI

Average daylight in December / Average sunshine in December - Packwaukee, 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 5min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in December
Packwaukee, WI

Average sunshine days in December - Packwaukee, WI
  • Average sunshine days in December: 14.7 days

The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is June (8.6 days).

Average UV index in December
Packwaukee, WI

Average UV index in December - Packwaukee, 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
Packwaukee, WI

Average cloud cover in December - Packwaukee, WI
  • Average cloud cover in December: 63

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Packwaukee, WI

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

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

Packwaukee, Wisconsin, USA

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