Cool
Average highs are around 16°C, so pack for cooler days.
October verdict
Poor for holiday weather
Average highs are around 16°C, so pack for cooler days. Sunshine averages 5.4h per day, enough for a balanced month. Rainfall averages 115mm, so some wet days are possible.

Monthly averages
Temp
16°C
Rain
115mm
Sun
5.4h
Sea
21°C
Weather score
32
Poor
Cool
Average highs are around 16°C, so pack for cooler days.
Showers
Rainfall averages 115mm, so some wet days are possible.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 21°C, so the water can feel cool.
Map
Compare Mostar, Bosnia Herzegovina with nearby places by weather score, rain, sun, temperature, and swim conditions.
October16°C average high
October is close to Mostar'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.
October115mm average rain
October sits near Mostar's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
October5.4 hours average sun
October sits close to Mostar's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
October21°C average sea
October is close to Mostar's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJune to September
Sea temperatures are usually near 22°C in this stretch, so swimming comfort is at its strongest.
October32 weather score
October scores below Mostar's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.