Mild
Average highs are around 23°C, so days are mild rather than hot.
Weather Guide
Copper Harbor, United States Average Monthly Weather
Weather score33Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 9°C, sunshine averages 5.9h per day, and rainfall totals about 846mm. Sea temperatures average 7°C across the year.
Annual weather
Annual averages
Temp
9°C
Rain
846mm
Annual total
Sun
5.9h
Sea
7°C
Weather score
33
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 82mm, so some wet days are possible.
Bright
Sunshine averages 8.4h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 16°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
August23°C average high
August is one of Copper Harbor's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August82mm average rain
August is wetter than Copper Harbor's yearly average, so flexible plans matter more.
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
August8.4 hours average sun
August 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
August16°C average sea
August is one of Copper Harbor's warmest sea months, when swimming comfort is usually strongest.
Warmest seaAugust to September
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
Weather score
August50 weather score
August scores above Copper Harbor's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
