Mild
Average highs are around 22°C, so days are mild rather than hot.
May verdict
Bourbonnais, Illinois, United States in May
Weather score48Mixed
Mixed for holiday weather
Average highs are around 22°C, so days are mild rather than hot. Sunshine averages 8.9h per day, so bright days are a strong part of the month. Rainfall averages 95mm, so some wet days are possible.
May weather
Monthly averages
Temp
22°C
Rain
95mm
Sun
8.9h
Sea
9°C
Weather score
48
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 95mm, so some wet days are possible.
Bright
Sunshine averages 8.9h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 9°C, so the water can feel cool.
Map
Weather map
Compare Bourbonnais, Illinois, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May22°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
May95mm average rain
May is one of Bourbonnais' wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to February, October, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May8.9 hours average sun
May is brighter than Bourbonnais' 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
May9°C average sea
May is below Bourbonnais' yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 22°C in this stretch, so swimming comfort is at its strongest.
Weather score
May48 weather score
May sits close to Bourbonnais' yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
