Cool
Average highs are around 16°C, so pack for cooler days.
May verdict
Copper Harbor, United States in May
Weather score35Poor
Poor for holiday weather
Average highs are around 16°C, so pack for cooler days. Sunshine averages 8.5h per day, so bright days are a strong part of the month. Rainfall averages 71mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
16°C
Rain
71mm
Sun
8.5h
Sea
3°C
Weather score
35
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 71mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.5h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 3°C, so the water can feel cool.
Map
Weather map
Compare Copper Harbor, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May16°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May71mm average rain
May sits near Copper Harbor's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to May, July, and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May8.5 hours average sun
May is brighter than Copper Harbor'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
May3°C average sea
May is below Copper Harbor's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaAugust to September
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
Weather score
May35 weather score
May sits close to Copper Harbor'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.
