December weather forecast
Oconto, WI

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Weather in December

The first month of the winter, December, is still a freezing cold month in Oconto, Wisconsin, with an average temperature fluctuating between 20.8°F (-6.2°C) and 29.1°F (-1.6°C).

Temperature

Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from an icy 41.5°F (5.3°C) to a subzero cold 29.1°F (-1.6°C). Oconto experiences a steady nighttime temperature of 20.8°F (-6.2°C) throughout the month of December.

Humidity

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

Rainfall

In Oconto, during December, the rain falls for 6.4 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Oconto, during the entire year, the rain falls for 133.3 days and collects up to 23.94" (608mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Oconto, during December, snow falls for 13.1 days and regularly aggregates up to 4.06" (103mm) of snow. Throughout the year, there are 65 snowfall days, and 20.94" (532mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 54min of daylight.
On the first day of December, sunrise is at 7:09 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:20 pm CST.

Sunshine

In December, the average sunshine is 3.7h.

UV index

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature during December is 29.1°F (-1.6°C) and the low-temperature is 20.8°F (-6.2°C).

What is the average humidity in December?

The average relative humidity in December is 84%.

How many days does it rain in December?

In Oconto, in December, during 6.4 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 13.1 days. Throughout December, 4.06" (103mm) of snow is accumulated.

What is the month with the shortest days?

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 December, the average day length is 8h and 51min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:09 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:20 pm CST.

How long on average sun shines in December in Oconto?

The average sunshine duration in December is 3.7h.

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
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
Oconto, WI

Average temperature in December - Oconto, WI
  • Average high temperature in December: 29.1°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in December: 20.8°F

The months with the highest average low temperature are July and August (59.7°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

Average pressure in December
Oconto, WI

Average pressure in December - Oconto, WI
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Oconto, WI

Average wind speed in December - Oconto, WI
  • Average wind speed in December: 10mph

The windiest months (with the highest average wind speed) are January and November (10.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in December
Oconto, WI

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

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April, May and November (76%).

Average rainfall in December
Oconto, WI

Average rainfall in December - Oconto, WI
  • Average rainfall in December: 1.61"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (1.06").

Average rainfall days in December
Oconto, WI

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

The month with the highest number of rainy days is July (15.8 days).
The months with the least rainy days are January and February (5.1 days).

Average snowfall in December
Oconto, WI

Average snowfall in December - Oconto, WI
  • Average snowfall in December: 4.06"

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

Average snowfall days in December
Oconto, WI

Average snowfall days in December - Oconto, WI
  • Average snowfall days in December: 13.1 days

The month with the highest number of snowfall days is February (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Oconto, 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 24min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).

Average sunshine days in December
Oconto, WI

Average sunshine days in December - Oconto, WI
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (11.3 days).

Average UV index in December
Oconto, WI

Average UV index in December - Oconto, WI
  • Average UV index in December: 2

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

Average cloud cover in December
Oconto, WI

Average cloud cover in December - Oconto, WI
  • Average cloud cover in December: 61

The months with the most cloud cover are January and February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 30).

Average visibility in December
Oconto, WI

Average visibility in December - Oconto, 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).

Oconto, Wisconsin, USA

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