Mostar Weather in May
Mostar in May averages 21°C (70°F) during the day and 10°C (50°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Mostar in May
Typically, you can expect about 12 days of rain this month, with 123 mm (4.8 in) on average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Mostar in May
Expect highs of 21°C (70°F) in Mostar in May, with nights dropping to around 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 10°C (50°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Mostar in May
Expect a lot of sunshine this month, with about 240 hours of sun. These sunny conditions add to the overall experience.If you prefer dry days with pleasant temperatures, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Bosnia and Herzegovina, check out our Mostar's climate page.
Mostar Temperature in May
Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
40%
Precipitation
123 mm (4.8 in)
Rainy days
12 days
Humidity
63%
Sunshine
240 hours
Percentage Sunshine
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Mostar typically rise from around 22°C (72°F) at the start of May to approximately 25°C (77°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°F).
Average temperatures in May
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Mostar in May
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.
Mostar historical weather extremes in May
Based on 33 years of weather observations in Mostar between 1993 and 2026, these are the recorded extremes.
- On May 29, 2008, temperatures climbed to 35°C (95°F), marking the warmest May day on record.
- The coldest May day was on May 6, 1994, with a maximum of 8°C (46°F).
- Nighttime temperatures dropped to -2°C (28°F) on May 14, 2001, marking the coldest May night on record.
Best Places in Bosnia and Herzegovina in May
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 May →
perfect weather
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unpleasant
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What to Wear in Mostar in May
For Mostar in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Mostar in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Bosnia and Herzegovina, check out our Mostar's climate page.
Temperature Rainfall Sunshine Humidity
See the full Mostar climate overview or explore weather in Bosnia and Herzegovina.
