Cool
Average highs are around 19°C, so pack for cooler days.
May verdict
Iron Mountain, Michigan, United States in May
Weather score38Poor
Poor for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 8.9h per day, so bright days are a strong part of the month. Rainfall averages 80mm, so some wet days are possible.
May weather
Monthly averages
Temp
19°C
Rain
80mm
Sun
8.9h
Sea
6°C
Weather score
38
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 80mm, 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 6°C, so the water can feel cool.
Map
Weather map
Compare Iron Mountain, Michigan, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May19°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
May80mm average rain
May is wetter than Iron Mountain'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
May8.9 hours average sun
May is brighter than Iron Mountain'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 Iron Mountain'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
May38 weather score
May sits close to Iron Mountain'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.
