December weather forecast
Oak Creek, WI

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Weather in December

December in Oak Creek welcomes winter wholeheartedly. The city enters this month shivering at 33.3°F (0.7°C), making it the coldest after January. The charm of Oak Creek in December lies in its transformation into a winter wonderland, courtesy of the 1.14" (29mm) of snowfall. With short daylight hours and higher cloud cover, the city wears a calm, subdued look. December's opted for peaceful, relaxed indoor activities, elevated by the holiday season's festive spirit in full swing.

Temperature

December in Oak Creek comes with a decrease in the average high-temperature, falling from a frosty 43.9°F (6.6°C) in November to a wintry 33.3°F (0.7°C). A modest nighttime temperature average of 25.3°F (-3.7°C) characterizes December.

Humidity

In December, the average relative humidity in Oak Creek is 81%.

Rainfall

In December, the rain falls for 7 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. In Oak Creek, during the entire year, the rain falls for 131.9 days and collects up to 18.54" (471mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Oak Creek, in December, snow falls for 9.5 days, with typically accumulated 1.14" (29mm) of snow. In Oak Creek, during the entire year, snow falls for 45.2 days and aggregates up to 7.83" (199mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:18 pm. On the last day of December, in Oak Creek, sunrise is at 7:22 am and sunset at 4:27 pm CST.

Sunshine

In Oak Creek, the average sunshine in December is 3.9h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a daily UV index of 1 turns into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the 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 Oak Creek?

In December, in Oak Creek, the average high-temperature is 33.3°F (0.7°C), and the average low-temperature is 25.3°F (-3.7°C).

What is the average humidity in December in Oak Creek?

In Oak Creek, Wisconsin, the average relative humidity in December is 81%.

How much does it rain in Oak Creek in December?

In Oak Creek, during December, the rain falls for 7 days and regularly aggregates up to 0.79" (20mm) of precipitation.

How many days does it snow in December in Oak Creek?

In Oak Creek, Wisconsin, in December, during 9.5 snowfall days, 1.14" (29mm) of snow is typically accumulated.

What is the month with the shortest days in Oak Creek?

December has the shortest days of the year in Oak Creek, with an average of 9h and 6min of daylight.

What is the average length of the day in December in Oak Creek?

In Oak Creek, the average day length in December is 9h and 5min.

When is the sunrise / sunset in December in Oak Creek?

In December, on the first day of the month, sunrise is at 7:03 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:27 pm CST.

How long on average sun shines in December in Oak Creek?

In Oak Creek, the average sunshine duration in December is 3.9h.

When is the lowest UV index in Oak Creek?

The months with the lowest UV index in Oak Creek are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Oak Creek?

In Oak Creek, Wisconsin, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes 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
Oak Creek, WI

Average temperature in December - Oak Creek, WI
  • Average high temperature in December: 33.3°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in December: 25.3°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in December
Oak Creek, WI

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

The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Oak Creek, WI

Average wind speed in December - Oak Creek, WI
  • Average wind speed in December: 11.8mph

The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

Average humidity in December
Oak Creek, WI

Average humidity in December - Oak Creek, WI
  • Average humidity in December: 81%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in December
Oak Creek, WI

Average rainfall in December - Oak Creek, WI
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is July (2.4").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in December
Oak Creek, WI

Average rainfall days in December - Oak Creek, WI
  • Average rainfall days in December: 7 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in December
Oak Creek, WI

Average snowfall in December - Oak Creek, WI
  • Average snowfall in December: 1.14"

The month with the highest snowfall is January (2.01").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Oak Creek, WI

Average snowfall days in December - Oak Creek, WI
  • Average snowfall days in December: 9.5 days

The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Oak Creek, WI

Average daylight in December / Average sunshine in December - Oak Creek, 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: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in December
Oak Creek, WI

Average sunshine days in December - Oak Creek, WI
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in December
Oak Creek, WI

Average UV index in December - Oak Creek, 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 and December (UV index 1).

Average cloud cover in December
Oak Creek, WI

Average cloud cover in December - Oak Creek, WI
  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in December
Oak Creek, WI

Average visibility in December - Oak Creek, WI
  • Average visibility in December: 6mi

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

Oak Creek, Wisconsin, USA

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