Mild
Average highs are around 26°C, so days are mild rather than hot.
Weather Guide
Mostar, Bosnia Herzegovina Average Monthly Weather
Weather score37Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 15°C, sunshine averages 5.6h per day, and rainfall totals about 1227mm. Sea temperatures average 19°C across the year.
Annual weather
Annual averages
Temp
15°C
Rain
1227mm
Annual total
Sun
5.6h
Sea
19°C
Weather score
37
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 67mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.6h per day, so bright days are a strong part of the month.
Swimmable
Sea temperatures average 25°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Mostar, Bosnia Herzegovina with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August26°C average high
August is one of Mostar'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
August67mm average rain
August is one of Mostar's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August8.6 hours average sun
August is brighter than Mostar's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August25°C average sea
August is one of Mostar's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to September
Sea temperatures are usually near 22°C in this stretch, so swimming comfort is at its strongest.
Weather score
August69 weather score
August is one of Mostar's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
