Cool
Average highs are around 19°C, so pack for cooler days.
October verdict
Istanbul, Turkiye in October
Weather score46Mixed
Mixed for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 6.3h per day, enough for a balanced month. Rainfall averages 76mm, which is relatively low for holiday planning.
October weather
Monthly averages
Temp
19°C
Rain
76mm
Sun
6.3h
Sea
19°C
Weather score
46
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 76mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.3h per day, enough for a balanced month.
Cool sea
Sea temperatures average 19°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
October19°C average high
October is close to Istanbul's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
October76mm average rain
October sits near Istanbul's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October6.3 hours average sun
October is below Istanbul's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
October19°C average sea
October is close to Istanbul's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJune to September
Sea temperatures are usually near 21°C in this stretch, so swimming comfort is at its strongest.
Weather score
October46 weather score
October sits close to Istanbul's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
