Mostar features a transitional Mediterranean climate with hot, dry summers and cool, wet winters. The city experiences significant seasonal contrasts, with abundant sunshine and little rainfall in summer, and frequent rain, occasional frost, and cloudy days in winter. These marked variations make Mostar appealing for both summer adventures and off-season exploration.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Mostar’s climate is shaped by its inland position and the influence of both Mediterranean and continental weather patterns. Summers (June–August) are hot, sunny, and relatively dry, with average daytime highs of 29–33°C and warm nights around 16–20°C. July and August are the driest and sunniest months, each offering around 9–11 hours of sunshine daily and only 5–9 rainy days per month. Heatwaves can occasionally push temperatures above 36°C, while humidity remains moderate, making the heat more tolerable. The Neretva River, running through the city, provides refreshing breezes and scenic relief from the summer warmth. Water temperatures in the river and local swimming spots reach 24–26°C in July and August, ideal for aquatic activities.
Winters (December–February) are cool and damp, with average highs of 6–8°C and lows near 1–2°C, though nighttime temperatures can drop below freezing. Rain is frequent, especially in November and December, with monthly precipitation often exceeding 140 mm and up to 14 rainy days. Snow is possible but rare and typically short-lived. Sunshine is limited in winter, averaging just 2–4 hours per day. Spring and autumn are transitional, with spring (March–May) warming quickly from 10°C to 25°C and autumn (September–November) cooling from 27°C to 10°C. Both seasons see variable rainfall and a mix of sun and clouds. Mostar receives about 1,500–1,700 mm of rain annually, with the wettest period in late autumn and early winter. Winds are generally light to moderate, but can increase during storms, especially in spring and autumn. The city enjoys over 2,300 hours of sunshine each year, with long daylight hours in summer and shorter, grey days in winter.
| Average climate data for Mostar, Bosnia and Herzegovina | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 5 | 6 | 10 | 15 | 19 | 23 | 27 | 28 | 22 | 17 | 12 | 6 | 28 |
| Average minimum temperature (°C) | -2 | -1 | 2 | 5 | 8 | 11 | 13 | 14 | 10 | 7 | 4 | -0 | -2 |
| Average precipitation (mm) | 99 | 101 | 87 | 74 | 77 | 68 | 37 | 29 | 54 | 79 | 152 | 104 | 962 |
| Average rainfall days (days) | 14 | 14 | 15 | 16 | 18 | 16 | 12 | 9 | 12 | 11 | 14 | 13 | 164 |
| Average snowfall (mm) | 17 | 55 | 22 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 26 | 122 |
| Average snowfall days (days) | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 |
| Average relative humidity (%) | 83 | 85 | 80 | 76 | 74 | 73 | 64 | 63 | 70 | 75 | 81 | 80 | 75 |
| Average wind speed (km/h) | 10 | 11 | 11 | 9 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 9 |
| Average daily daylight hours (h) | 9 | 10 | 11 | 13 | 14 | 15 | 15 | 13 | 12 | 11 | 9 | 9 | 12 |
| Average daily sunshine hours (h) | 5 | 5 | 7 | 9 | 10 | 11 | 11 | 12 | 10 | 7 | 5 | 5 | 8 |
| Average cloud coverage (%) | 45 | 49 | 42 | 36 | 32 | 24 | 17 | 13 | 24 | 27 | 40 | 38 | 32 |
| Average UV index | 2 | 2 | 3 | 4 | 4 | 5 | 6 | 6 | 4 | 3 | 2 | 2 | 4 |
The best time to visit Mostar is from May to mid-October, when temperatures are warm (20–33°C), sunshine is abundant, and rainfall is at its lowest. May, June, and September offer especially pleasant weather with fewer crowds than the July–August peak, making them ideal for sightseeing, river activities, and exploring the Old Town.
The least favourable time to visit is from November to February, when Mostar is at its coldest, wettest, and least sunny. Frequent rain, short daylight hours, and occasional frost or snow can limit outdoor activities, though the city’s historic charm and cosy cafés remain inviting for off-season travellers.
Mostar has a transitional Mediterranean climate, with hot, dry summers (up to 33°C), cool, wet winters (6–8°C), and significant rainfall in autumn and winter. Sunshine is abundant in summer but limited in winter.
The best time to visit Mostar is from May to mid-October, especially in May, June, and September, when the weather is warm, rainfall is low, and crowds are smaller than in the July–August peak.
Snow is rare in Mostar, but possible in winter. When it does occur, it is usually light and melts quickly. Most winter precipitation falls as rain, and frost is more common than snow.
Mostar receives about 1,500–1,700 mm of rain annually. Rain falls year-round, but is heaviest in November and December, with summer months being much drier and sunnier.
Yes, the Neretva River and local swimming spots are popular in summer, with water temperatures reaching 24–26°C in July and August. Always exercise caution, as currents can be strong.
Pack light, breathable clothing and sun protection for summer. In spring and autumn, bring layers and a rain jacket. For winter, warm and waterproof clothing is essential due to frequent rain and chilly nights.
Mostar enjoys over 2,300 hours of sunshine per year. Summer months have up to 10–11 hours of sunshine daily, while winter can see as little as 2–4 hours per day.
The warmest month, with the highest average maximum temperature, is August (27.7 °C). The month with the lowest average maximum temperature is January (4.7 °C). Overall, the average maximum temperature over the whole year is 15.6 °C.
The month with the highest average minimum temperature is August (14 °C). The coldest month, with the lowest average minimum temperature, is January (-1.9 °C). Overall, the average minimum temperature over the whole year is 6 °C.
The wettest month, with the highest amount of precipitation, is November (152.1 mm). The driest month, with the least amount of precipitation, is August (29.3 mm). Over the whole year there are 961.7 mm of rainfall on average.
The month with the most days of rain is May (17.9 days). The month with the fewest days of rain is August (9.3 days). Over the whole year there are 163.8 days of rain on average.
The month with the most snowfall is February (54.5 mm). The months with the least snowfall are May, June, July, August, September and October (0 mm). Over the whole year there are 122 mm of snowfall on average.
The month with the most days of snowfall is February (2.2 days). The months with the fewest days of snowfall are June and July (0 days). Over the whole year there are 8 days of snowfall on average.
The month with the highest average relative humidity is February (84.6 %). The month with the lowest average relative humidity is August (63.1 %). The overall average relative humidity over the whole year is 75.3 %.
The windiest month, with the highest average wind speed, is February (11.2 km/h). The calmest month, with the lowest average wind speed, is June (8 km/h). The overall average wind speed over the whole year is 9.2 km/h.
The month with the cloudiest skies, so the highest cloud coverage, is February (48.5 %). The month with the clearest skies, so the lowest cloud coverage, is August (13.2 %). Over the whole year there is an average cloud coverage of 32.2 %.
The month with the longest days, so the most daylight, is June (Average daylight: 15 h). The month with the shortest days, so the least daylight, is December (Average daylight: 9 h). Over the whole year there are 11.8 h of daylight per day on average.
The month with the most sunshine per day is August (Average sunshine: 12.1 h). The month with the least sunshine per day is February (Average sunshine: 4.9 h). Over the whole year there are 8.1 h of sunlight per day on average.
The months with the highest average UV index are July and August (UV index: 6). The months with the lowest average UV index are January, February, November and December (UV index: 2). Over the whole year the average UV index is 3.6.
