Cool
Average highs are around 10°C, so pack for cooler days.
March verdict
Poor for holiday weather
Average highs are around 10°C, so pack for cooler days. Sunshine averages 4.7h per day, so this is not one of the brighter months. Rainfall averages 97mm, so some wet days are possible.

Monthly averages
Temp
10°C
Rain
97mm
Sun
4.7h
Sea
14°C
Weather score
23
Poor
Cool
Average highs are around 10°C, so pack for cooler days.
Showers
Rainfall averages 97mm, so some wet days are possible.
Limited sun
Sunshine averages 4.7h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Compare Mostar, Bosnia Herzegovina with nearby places by weather score, rain, sun, temperature, and swim conditions.
March10°C average high
March is on the cooler side of Mostar's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
March97mm average rain
March 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.
March4.7 hours average sun
March is below Mostar'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.
March14°C average sea
March is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJune to September
Sea temperatures are usually near 22°C in this stretch, so swimming comfort is at its strongest.
March23 weather score
March 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.