Best time to visit Green Bay

Find the best time to visit Green Bay and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Green Bay by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Green Bay?

The best time to visit Green Bay is June and July based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • -5°C maximum daytime temperature in January in Green Bay-5
    Jan
  • -2°C maximum daytime temperature in February in Green Bay-2
    Feb
  • 4°C maximum daytime temperature in March in Green Bay4
    Mar
  • 12°C maximum daytime temperature in April in Green Bay12
    Apr
  • 19°C maximum daytime temperature in May in Green Bay19
    May
  • 24°C maximum daytime temperature in June in Green Bay24
    Jun
  • 27°C maximum daytime temperature in July in Green Bay27
    Jul
  • 25°C maximum daytime temperature in August in Green Bay25
    Aug
  • 21°C maximum daytime temperature in September in Green Bay21
    Sep
  • 14°C maximum daytime temperature in October in Green Bay14
    Oct
  • 6°C maximum daytime temperature in November in Green Bay6
    Nov
  • -2°C maximum daytime temperature in December in Green Bay-2
    Dec

Hours of Sunshine (daily)

Which is the hottest month in Green Bay?

The hottest time of year in Green Bay is normally July. Expect maximum daytime temperatures to reach 27°C with low heat and humidity.

Which month has the most rain in Green Bay?

In terms of rainfall, August is usually the wettest month in Green Bay with 89mm on average. There are normally 10 days in August with some rain.

When is it sunniest in Green Bay?

The sunniest time of year in Green Bay is normally July with bright sunshine on average for 67% of daylight hours; that's 10 hours of sunshine per day.

When is the sea warmest in Green Bay?

The sea is usually at its warmest in Green Bay in August when the water temperature reaches 20°C.

Best time to visit

The weather guide for Wisconsin (Green Bay) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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