Best year time to visit Green Bay

General weather information about Green Bay

Average annual temperature is 18.9 °C

Absolute maximum temperature: 36.1 °C

Absolute minimum temperature: -1.2 °C

Number of sunny days: 172 days

Number of rainy days: 193 days

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* Weather data for Green Bay United States is based on climate observations for 2026 year

Green Bay air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)23.626.928.430.231.533.136.036.134.629.026.923.3
Average daytime temperature (°C)17.520.321.025.025.929.832.832.729.424.619.216.5
Average temperature (°C)11.914.415.418.820.324.127.327.123.618.813.511.3
Average night temperature (°C)7.610.410.813.715.619.623.623.218.914.39.37.5
Absolute minimum temperature (°C)-1.0-0.50.55.89.513.420.520.715.08.40.6-1.2

Green Bay monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.211.012.013.013.914.314.113.412.411.310.410.0
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)7.07.28.510.59.911.011.311.110.18.97.56.7
Precipitation (mm)9510065106114108193141657465146
Sunny days181318121762517212122
Rainy days1315131814242926131099
Snow days000000000000

Green Bay - weather forecast by months

Green Bay weather in januaryGreen Bay weather in februaryGreen Bay weather in marchGreen Bay weather in aprilGreen Bay weather in mayGreen Bay weather in juneGreen Bay weather in julyGreen Bay weather in augustGreen Bay weather in septemberGreen Bay weather in octoberGreen Bay weather in novemberGreen Bay weather in december

Best time to visit Green Bay:

The largest precipitation sum in Green Bay is at

  • July — 193(mm)
  • August — 141(mm)
  • December — 146(mm)

    • Weather forecast in the closest to Green Bay admin centers

    Weather forecast in the closest towns to Green Bay

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    Frequently asked questions

    When is the best time to visit Green Bay?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Green Bay.
    What is the weather like in Green Bay?
    See average temperature, rainfall and daylight hours for Green Bay by month in the table above.
    How many sunny days does Green Bay have?
    The monthly weather statistics above show sunshine and rainfall patterns for Green Bay throughout the year.