December weather forecast
Appleton, WI

Share
Colorful trees and neat lawns in Lawrence University in Appleton, Wisconsin, the river, and the rest of the city
Colorful trees and neat lawns in Lawrence University in Appleton, Wisconsin, the river, and the rest of the city

Weather in December

December rounds off the year with an average high of 28.2°F (-2.1°C), turning Appleton into a beautiful winter wonderland again. As the coldest month, snowfall increases to 4.33" (110mm) with 11.4 snowfall days setting the stage for a likely white Christmas. Appleton embraces the holiday season with city-wide Christmas events and light displays. Despite the temperature drop, a festive atmosphere permeates the city. The shortest daylight of 8.9 hours adds to December’s winter charm, enhancing the cozy vibe with an early evening onset.

Temperature

A decrease in the average high-temperature is observed during December, shifting from a wintry 41.5°F (5.3°C) in November to a freezing cold 28.2°F (-2.1°C). Appleton, in December, experiences an average temperature of 18.5°F (-7.5°C) at night.

Humidity

The average relative humidity in December is 85%.

Rainfall

In Appleton, in December, it is raining for 6.2 days, with typically 1.46" (37mm) of accumulated precipitation. In Appleton, during the entire year, the rain falls for 131.1 days and collects up to 24.45" (621mm) of precipitation.

Snowfall

Months with snowfall in Appleton are January through May, October through December. In Appleton, during December, snow falls for 11.4 days and regularly aggregates up to 4.33" (110mm) of snow. In Appleton, Wisconsin, during the entire year, snow falls for 56.9 days and aggregates up to 21.97" (558mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 54min of daylight.
On the first day of December in Appleton, sunrise is at 7:09 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:24 pm CST.

Sunshine

In December, the average sunshine is 3.7h.

UV index

The months with the lowest UV index in Appleton are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 1 transforms into these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
[Resources]

Frequently asked questions

How cold is it in Appleton in December?

Appleton in December has an average high-temperature of 28.2°F (-2.1°C) and an average low-temperature of 18.5°F (-7.5°C).

What is the average humidity in December in Appleton?

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

How many days does it rain in December in Appleton?

In December, in Appleton, Wisconsin, the rain falls for 6.2 days. Throughout December, 1.46" (37mm) of precipitation is accumulated.

How many days does it snow in December in Appleton?

In Appleton, Wisconsin, in December, during 11.4 snowfall days, 4.33" (110mm) of snow is typically accumulated.

What is the month with the shortest days in Appleton?

December has the shortest days of the year, with an average of 8h and 54min of daylight.

What is the average length of the day in December in Appleton?

In Appleton, Wisconsin, the average day length in December is 8h and 56min.

What time are sunrise and sunset in December in Appleton?

On the first day of December in Appleton, Wisconsin, sunrise is at 7:09 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:24 pm CST.

How many hours of sunshine does Appleton have in December?

In December, the average sunshine duration in Appleton is 3.7h.

What is the month with the lowest UV index in Appleton?

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

What is the UV index reading in December in Appleton?

In December, the average daily maximum UV index in Appleton, Wisconsin, is 1. A UV Index reading of 2, and below, represents 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
Appleton, WI

Average temperature in December - Appleton, WI
  • Average high temperature in December: 28.2°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (21.9°F).

  • Average low temperature in December: 18.5°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

[Resources]

Average pressure in December
Appleton, WI

Average pressure in December - Appleton, 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 (29.91"Hg).

[Resources]

Average wind speed in December
Appleton, WI

Average wind speed in December - Appleton, WI
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

[Resources]

Average humidity in December
Appleton, WI

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

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

[Resources]

Average rainfall in December
Appleton, WI

Average rainfall in December - Appleton, WI
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is February (1.06").

[Resources]

Average rainfall days in December
Appleton, WI

Average rainfall days in December - Appleton, WI
  • Average rainfall days in December: 6.2 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.9 days).

[Resources]

Average snowfall in December
Appleton, WI

Average snowfall in December - Appleton, WI
  • Average snowfall in December: 4.33"

The month with the highest snowfall is January (5.79").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Appleton, WI

Average snowfall days in December - Appleton, WI
  • Average snowfall days in December: 11.4 days

The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Appleton, WI
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 3h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

[Resources]

Average sunshine days in December
Appleton, WI

Average sunshine days in December - Appleton, WI
  • Average sunshine days in December: 15.8 days

The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is April (11.8 days).

[Resources]

Average UV index in December
Appleton, WI

Average UV index in December - Appleton, WI
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

[Resources]

Average cloud cover in December
Appleton, WI

Average cloud cover in December - Appleton, WI
  • Average cloud cover in December: 62

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 32).

[Resources]

Average visibility in December
Appleton, WI

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

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

[Resources]

Appleton, Wisconsin, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location