Cool
Average highs are around 20°C, so pack for cooler days.
May verdict
Green Bay, Wisconsin, United States in May
Weather score42Mixed
Mixed for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 9h per day, so bright days are a strong part of the month. Rainfall averages 73mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
20°C
Rain
73mm
Sun
9h
Sea
6°C
Weather score
42
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 73mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 6°C, so the water can feel cool.
Map
Weather map
Compare Green Bay, Wisconsin, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May20°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
May73mm average rain
May is wetter than Green Bay's yearly average, so flexible plans matter more.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May9 hours average sun
May is brighter than Green Bay's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May6°C average sea
May is below Green Bay's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 19°C in this stretch, so swimming comfort is at its strongest.
Weather score
May42 weather score
May sits close to Green Bay's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
