Downtown Green Bay and the Fox River

Weather · January

Green Bay weather in January

Average highs of 26°F, lows of 11°F and 1.4 in of rain, from 30 years of weather records.

January is Green Bay’s coldest month, with average highs of 26°F and lows of 11°F. That is 6° cooler than December, and 29° below the yearly average high.

Average high
26°F
Average low
11°F
Precipitation
1.4 in
Wet days
11
Snow
14.3 in
Sunrise · sunset
7:25 AM · 4:37 PM

January 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 January

  • 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 14 inches on average): waterproof boots help.

January is good for

Around Green Bay

Veterans Memorial Parkway, Green Bay
Green Bay July 2024 047 (Veterans Memorial Parkway)Michael Barera · CC BY-SA 4.0
2024 Green Bay Botanical Garden - April-6895
2024 Green Bay Botanical Garden - April-6895mbaylor · CC BY 2.0
Brown County Central Library - Jan 2026, Green Bay
Brown County Central Library - Jan 2026 01Emrouse · CC BY 4.0

See Green Bay

A look around town before you go.

January compared with the months around it

MonthHighLowRain
December31°F18°F1.8 in
January26°F11°F1.4 in
February29°F13°F1.2 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 January?

Average highs are 26°F and average lows 11°F, for a daily mean of 18°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Green Bay in January?

January averages 1.4 in of precipitation over about 11 days with at least 0.01 in. It is the 11th wettest month of the year.

Does it snow in Green Bay in January?

Yes, about 14.3 in of snow on average.

What time is sunset in Green Bay in January?

Around mid-January the sun rises about 7:25 AM and sets about 4:37 PM, for roughly 9.2 hours of daylight.

Is January a good time to visit Green Bay?

The mildest months for visiting are May, August, September. January is cold.

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

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