Mild
Average highs are around 20°C, so days are mild rather than hot.
June verdict
Thunder Bay, Ontario, Canada in June
Weather score41Mixed
Mixed for holiday weather
Average highs are around 20°C, so days are mild rather than hot. Sunshine averages 8.6h per day, so bright days are a strong part of the month. Rainfall averages 82mm, so some wet days are possible.
June weather
Monthly averages
Temp
20°C
Rain
82mm
Sun
8.6h
Sea
4°C
Weather score
41
Mixed
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 8.6h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 4°C, so the water can feel cool.
Map
Weather map
Compare Thunder Bay, Ontario, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
June20°C average high
June 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
June82mm average rain
June is one of Thunder Bay's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
June8.6 hours average sun
June is brighter than Thunder 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
June4°C average sea
June is below Thunder Bay'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
June41 weather score
June sits close to Thunder 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.
