Downtown Green Bay and the Fox River

Weather · December

Green Bay weather in December

Average highs of 31°F, lows of 18°F and 1.8 in of rain, from 30 years of weather records.

December is Green Bay’s 10th warmest month, with average highs of 31°F and lows of 18°F. That is 12° cooler than November, and 24° below the yearly average high.

Average high
31°F
Average low
18°F
Precipitation
1.8 in
Wet days
11
Snow
13.1 in
Sunrise · sunset
7:21 AM · 4:12 PM

December across the year

  1. 26°11°Jan
  2. 29°13°Feb
  3. 40°24°Mar
  4. 54°35°Apr
  5. 67°46°May
  6. 77°56°Jun
  7. 81°60°Jul
  8. 79°58°Aug
  9. 72°50°Sep
  10. 58°40°Oct
  11. 44°29°Nov
  12. 31°18°Dec

High and low Rain

What to wear in December

  • Cold days: a winter coat, hat and gloves.
  • Freezing nights: expect frost on cars in the morning.
  • Pack an umbrella or rain jacket: rain or snow falls on about 11 days this month.
  • Snow is likely (about 13 inches on average): waterproof boots help.

December is good for

What’s on in Green Bay in December

See all upcoming events.

Around Green Bay

The entrance and main building for the w:Bay Beach Amusement Park in w:Green Bay, Wisconsin
BayBeachBuildingParkingLotGreenBayWisconsinRoyalbroil · CC BY-SA 3.0
Bay Beach Train Depot, Green Bay
Bay Beach Train DepotKDTW Flyer · CC BY-SA 4.0
Downtown office building Green Bay
Downtown office building Green BayMilwaukee3181 at en.wikipedia · Public domain

See Green Bay

A look around town before you go.

December compared with the months around it

MonthHighLowRain
November44°F29°F2.0 in
December31°F18°F1.8 in
January26°F11°F1.4 in

Planning a trip? See the best time to visit Green Bay and today’s forecast.

Questions

How hot does it get in Green Bay in December?

Average highs are 31°F and average lows 18°F, for a daily mean of 25°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Green Bay in December?

December averages 1.8 in of precipitation over about 11 days with at least 0.01 in. It is the 10th wettest month of the year.

Does it snow in Green Bay in December?

Yes, about 13.1 in of snow on average.

What time is sunset in Green Bay in December?

Around mid-December the sun rises about 7:21 AM and sets about 4:12 PM, for roughly 8.9 hours of daylight.

Is December a good time to visit Green Bay?

The mildest months for visiting are May, August, September. December is cold, with Christmas lights and New Year’s Eve events.

NOAA U.S. Climate Normals 1991–2020, Green Bay station (4.8 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.

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