Green Bay weather in April 2025

Expect 12°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Green Bay in April. Check more long-term weather averages for Green Bay in April before you book your next holiday to Wisconsin in 2025/2026.

  • 12°C maximum daytime temperature in April in Green Bay12
    12°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in April in Green Bay11
    11 days with some rainfall
  • 1°C minimum night-time temperature in April in Green Bay1
    1°C min night temperature
  • 14 hours of daylight per day in April in Green Bay14
    14 hours of daylight per day
  • No heat & humidity in April in Green Bay0
    No heat & humidity
  • 64 mm monthly rainfall in April in Green Bay64
    64 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in April in Green Bay5
    5 (Moderate) UV index
  • 3°C sea temperature in April in Green Bay3
    3°C sea temperature

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The April weather guide for Wisconsin (Green Bay) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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

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More about the USA

How warm is it in Green Bay in April?

Daytime temperatures usually reach 12°C in Green Bay in April, falling to 1°C at night.

How sunny is it in Green Bay in April?

There are normally 7 hours of bright sunshine each day in Green Bay in April - that's 55% of daylight hours.

Is the sea cold around Green Bay in April?

The average sea temperature around Green Bay in April is 3°C.

Does it rain in Green Bay in April?

There are usually 11 days with some rain in Green Bay in April and the average monthly rainfall is 64mm.

Green Bay April sunrise & sunset times

Browse the sunrise and sunset times for Green Bay in April 2025. Select a month to view Green Bay sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 05:33 18:20
Tuesday, 15th April 2025 05:08 18:37
Wednesday, 30th April 2025 04:44 18:56

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