December weather forecast
Middleton, WI

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Colorful trees in the fall with leaves in the pond, in a stunning nature park in Middletown, Wisconsin
Colorful trees in the fall with leaves in the pond, in a stunning nature park in Middletown, Wisconsin

Weather in December

December sees the full swing of winter season in Middleton with a considerable increase in snowfall to 3.86" (98mm), perfect for the holiday season. This period sees locals and visitors greatly engaged in winter activities like ice fishing, snowboarding and snowmobiling. Middleton transforms into a Dickensian spectacle with snow-lined streets illuminated by Christmas lights and decorations. With the city under a thick white blanket, December offers one of the most picturesque views of Middleton, complete with holiday cheer and seasonal festivities. The cold closes in, providing an opportunity for Middleton's community to show its resilience and festive spirit as the year concludes.

Temperature

Observing a mild shift, the average high-temperature in Middleton during December reduces from November's wintry 42.4°F (5.8°C) to a freezing cold 30.4°F (-0.9°C). Middleton anticipates an average minimum temperature of 20.1°F (-6.6°C) in the month of December.

Humidity

In Middleton, the average relative humidity in December is 84%.

Rainfall

In December, in Middleton, the rain falls for 6.1 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 143.9 rainfall days, and 29.88" (759mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Middleton. In Middleton, in December, during 12.9 snowfall days, 3.86" (98mm) of snow is typically accumulated. Throughout the year, in Middleton, there are 60.8 snowfall days, and 23.54" (598mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:10 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:33 pm CST.

Sunshine

The average sunshine in December is 3.8h.

UV index

January 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 threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 1 during December leads to these advisories:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by 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 Middleton?

In Middleton, 30.4°F (-0.9°C) is the average high-temperature and 20.1°F (-6.6°C) is the average low-temperature during December.

What is the average humidity in December in Middleton?

In Middleton, Wisconsin, the average relative humidity in December is 84%.

How much does it rain in Middleton in December?

In December, in Middleton, the rain falls for 6.1 days. Throughout December, 1.57" (40mm) of precipitation is accumulated.

How much does it snow in Middleton in December?

In Middleton, Wisconsin, in December, snow falls for 12.9 days, with typically accumulated 3.86" (98mm) of snow.

What is the month with the shortest days in Middleton?

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

How many hours of daylight does Middleton have in December?

In Middleton, the average day length in December is 9h and 4min.

When is the sunrise / sunset in December in Middleton?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 4:24 pm. On the last day of the month, in Middleton, Wisconsin, sunrise is at 7:29 am and sunset at 4:33 pm CST.

How many hours of sunshine does Middleton have in December?

The average sunshine duration in December in Middleton is 3.8h.

When is the lowest UV index in Middleton?

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

How high is the UV index in December in Middleton?

In Middleton, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health risk from 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
Middleton, WI

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

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in December: 20.1°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).

Average pressure in December
Middleton, WI

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

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

Average wind speed in December
Middleton, WI

Average wind speed in December - Middleton, WI
  • Average wind speed in December: 9.4mph

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
Middleton, WI

Average humidity in December - Middleton, WI
  • Average humidity in December: 84%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).

Average rainfall in December
Middleton, WI

Average rainfall in December - Middleton, WI
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is June (4.06").
The driest month (with the least rainfall) is January (1.34").

Average rainfall days in December
Middleton, WI

Average rainfall days in December - Middleton, WI
  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (4.7 days).

Average snowfall in December
Middleton, WI

Average snowfall in December - Middleton, WI
  • Average snowfall in December: 3.86"

The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Middleton, WI

Average snowfall days in December - Middleton, WI
  • Average snowfall days in December: 12.9 days

The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Middleton, 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: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in December
Middleton, WI

Average sunshine days in December - Middleton, WI
  • Average sunshine days in December: 14.3 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (9.3 days).

Average UV index in December
Middleton, WI

Average UV index in December - Middleton, 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
Middleton, WI

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

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 35).

Average visibility in December
Middleton, WI

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

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

Middleton, Wisconsin, USA

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