Our verdict
The best time to visit Mostar is September-October
In the summer months, temperatures tend to get to a maximum of around 33℃ (91℉). The average low temperatures in winter float around -2℃ (29℉), while the coldest it gets down to is about -8℃ (18℉).
If you want to get the most out of your time visiting Mostar, or you’re just afraid of the dark, the days in August are usually the longest between sunrise and sunset. The wet season in Mostar falls around November, so if you prefer the dryer weather, you should look to visit in August instead.
Below you’ll find loads more detailed information about when to visit Mostar, including a monthly climate breakdown, what to pack, and loads of tools and recommendations to help you find flights and accommodation to suit your budget.
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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Mostar seasons
Before you continue, it’s important to know when the seasons are in Mostar as they might be different to yours depending on where in the world you’re travelling from. Mostar is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in Mostar
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Mostar for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Mostar climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Mostar for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Mostar in January
- Average temperature: 1℃ (34℉)
- Average high temperature: 5℃ (41℉)
- Average low temperature: -2℃ (29℉)
- Average humidity: 83%
- Average sunny days: 16 days
- Average rainfall: 99mm (4") over 14 days
- Average snow days: 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mostar in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Mostar in February
- Average temperature: 3℃ (36℉)
- Average high temperature: 6℃ (43℉)
- Average low temperature: -1℃ (30℉)
- Average humidity: 85%
- Average sunny days: 12 days
- Average rainfall: 102mm (4") over 14 days
- Average snow days: 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mostar in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Mostar in March
- Average temperature: 6℃ (42℉)
- Average high temperature: 10℃ (49℉)
- Average low temperature: 2℃ (35℉)
- Average humidity: 80%
- Average sunny days: 14 days
- Average rainfall: 87mm (3") over 15 days
- Average snow days: 1 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mostar in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Mostar in April
- Average temperature: 10℃ (51℉)
- Average high temperature: 15℃ (59℉)
- Average low temperature: 5℃ (41℉)
- Average humidity: 75%
- Average sunny days: 12 days
- Average rainfall: 75mm (3") over 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mostar in April, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Mostar in May
- Average temperature: 14℃ (57℉)
- Average high temperature: 19℃ (66℉)
- Average low temperature: 8℃ (46℉)
- Average humidity: 74%
- Average sunny days: 11 days
- Average rainfall: 76mm (3") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mostar in May, make sure you pack a warm jacket or coat.
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Mostar in June
- Average temperature: 18℃ (64℉)
- Average high temperature: 23℃ (74℉)
- Average low temperature: 11℃ (52℉)
- Average humidity: 72%
- Average sunny days: 11 days
- Average rainfall: 58mm (2") over 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mostar in June, make sure you pack a coat or jumper for the evenings, and t-shirts and light gear for the daytime.
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Mostar in July
- Average temperature: 20℃ (69℉)
- Average high temperature: 27℃ (80℉)
- Average low temperature: 14℃ (56℉)
- Average humidity: 65%
- Average sunny days: 17 days
- Average rainfall: 35mm (1") over 11 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mostar in July, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Mostar in August
- Average temperature: 21℃ (70℉)
- Average high temperature: 28℃ (82℉)
- Average low temperature: 14℃ (58℉)
- Average humidity: 62%
- Average sunny days: 19 days
- Average rainfall: 21mm (1") over 8 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mostar in August, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Mostar in September
- Average temperature: 16℃ (61℉)
- Average high temperature: 22℃ (71℉)
- Average low temperature: 11℃ (51℉)
- Average humidity: 70%
- Average sunny days: 16 days
- Average rainfall: 54mm (2") over 12 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mostar in September, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.
Mostar in October
- Average temperature: 12℃ (53℉)
- Average high temperature: 17℃ (62℉)
- Average low temperature: 7℃ (45℉)
- Average humidity: 75%
- Average sunny days: 19 days
- Average rainfall: 79mm (3") over 11 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mostar in October, make sure you pack a warm jacket or coat.
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Mostar in November
- Average temperature: 8℃ (46℉)
- Average high temperature: 12℃ (53℉)
- Average low temperature: 4℃ (40℉)
- Average humidity: 81%
- Average sunny days: 15 days
- Average rainfall: 152mm (6") over 14 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mostar in November, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Mostar in December
- Average temperature: 3℃ (37℉)
- Average high temperature: 6℃ (43℉)
- Average low temperature: -0℃ (31℉)
- Average humidity: 81%
- Average sunny days: 17 days
- Average rainfall: 104mm (4") over 13 days
- Average snow days: 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mostar in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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