Mild
Average highs are around 25°C, so days are mild rather than hot.
June verdict
Istanbul, Turkiye in June
Weather score77Very good
Very good for holiday weather
Average highs are around 25°C, so days are mild rather than hot. Sunshine averages 11h per day, so bright days are a strong part of the month. Rainfall averages 29mm, which is relatively low for holiday planning.
June weather
Monthly averages
Temp
25°C
Rain
29mm
Sun
11h
Sea
21°C
Weather score
77
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 29mm, which is relatively low for holiday planning.
Bright
Sunshine averages 11h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 21°C, so the water can feel cool.
Map
Weather map
Compare Istanbul, Turkiye with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
June25°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
June29mm average rain
June is one of Istanbul's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
June11 hours average sun
June is one of Istanbul's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
June21°C average sea
June sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJune to September
Sea temperatures are usually near 21°C in this stretch, so swimming comfort is at its strongest.
Weather score
June77 weather score
June scores above Istanbul's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
