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August in Mostar averages 29°C (84°F) during the day and 16°C (61°F) at night. The excellent conditions and moderate rainfall make it a solid month to visit.
If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Mostar.
Pick a month to see the average temperature, rainfall and sunshine in Mostar - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Mostar typically drop from around 33°C (91°F) at the start of August to approximately 30°C (86°F) by the end. Nights are pleasant, with lows typically ranging from 14°C (57°F) to 17°C (63°F).
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Mostar spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Mostar from 1996 through 2026.
Find out more about the weather in Bosnia and Herzegovina and which places have the best travel conditions in this month. See all of Bosnia and Herzegovina in August →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Mostar climate overview or explore weather in Bosnia and Herzegovina.
Where to go in August - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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