Last updated: August 21, 2025
August in Mostar, Bosnia and Herzegovina showcases a diverse climate profile, where maximum temperatures can soar to a staggering 41°C (105°F), while the average hovers around a comfortable 25°C (77°F). Nights offer a refreshing contrast, with minimum temperatures dipping to 11°C (52°F). During this month, the region experiences about 54 mm (2.1 in) of precipitation spread across 7 days, creating a slightly humid environment with an average humidity level of 53%. This blend of heat, occasional rain, and moderate humidity makes August a dynamic month for both locals and visitors exploring the stunning landscapes of Mostar.
August in Mostar, Bosnia and Herzegovina, experiences a warm and inviting climate, making it one of the hottest months of the year. With temperatures ranging from a minimum of 11°C (52°F) to a sweltering maximum of 41°C (105°F), the average daily temperature peaks at around 25°C (77°F), providing ideal conditions for outdoor activities and exploration. As summer reaches its zenith, visitors can enjoy long, sun-soaked days against the backdrop of Mostar's stunning architecture and natural beauty. This month is characterized by a noticeable rise from the milder temperatures of June and July, highlighting a gradual transition toward the cooler autumn months ahead. Whether savoring local cuisine or strolling through historic streets, August invites you to bask in the warmth of this enchanting city.
In Mostar, Bosnia and Herzegovina, August sees a notable shift in precipitation patterns, with 54 mm (2.1 in) of rain spread over 7 days. This marks a decrease from the summer's peak in July, which recorded just 41 mm (1.6 in), but still signifies a transition towards wetter months ahead. As summer wanes, August's rainfall serves as a precursor to the substantial precipitation that typically follows in the autumn months, especially with September seeing an increase to 107 mm (4.2 in). The data illustrates a trend of gradually rising precipitation as the year progresses, underscoring the captivating shift in Mostar's climate as it prepares for the more robust rainfalls of late fall.
In August, Mostar experiences its most comfortable humidity levels of the year, dipping to a refreshing 53%. This decline marks a significant shift from the wetter months of early winter, where humidity hovers between 88% in January and 82% in February. As the seasons progress, the trend shows a gradual decrease, reaching its lowest point in mid-summer. This change creates a pleasant atmosphere for both locals and visitors, making August an ideal time to enjoy outdoor activities. As autumn approaches, humidity starts to creep back up, rising to 65% in September, but it’s during August that Mostar truly offers a respite from the heavier, moisture-laden air of the earlier months.
August in Mostar, Bosnia and Herzegovina, sees a very high UV Index of 9, with a burn time of just 15 minutes. This marks a slight decrease from the peak UV levels of 10 experienced in the preceding months of June and July, but still indicates a strong need for sun protection during this summer month. As the summer progresses, residents and visitors alike should remain vigilant against sun exposure, taking care to apply sunscreen and seek shade when necessary. This trend underscores the importance of staying informed about UV levels year-round, making resources like the Mostar UV Index invaluable for planning outdoor activities safely.
UV Risk Categories
August in Mostar, Bosnia and Herzegovina, boasts an impressive 404 hours of sunshine, making it one of the sunniest months of the year. This beautiful city transitions smoothly from spring's burgeoning warmth in May and June, which see 395 and 417 hours respectively, into the scorching days of July, peaking at 435 hours. While August experiences a slight dip in sunshine hours, it remains vibrant and sun-soaked, paving the way for the autumn months. As September arrives, the decrease continues with 345 hours, reminding visitors of the fleeting beauty of summer. This gentle ebb and flow of sunlight not only enhances the city's charm but also invites exploration during its sun-drenched days, perfect for soaking in the historic landscapes and cultural richness that Mostar has to offer.
In Mostar, Bosnia and Herzegovina, the likelihood of enjoying sunny weather significantly increases as summer progresses, culminating in an impressive 73% chance of sunshine in August. This trend showcases the region’s shift from the gloomier winter months, where chances of sun dip as low as 27% in January. As the year unfolds, sun-seeking enthusiasts can appreciate a gradual rise, peaking in the warmer months of June and July, which boast 68% and 69% sunny days, respectively. By August, the warm embrace of sunshine becomes almost a guarantee, making it a perfect time for travelers and locals alike to bask in the vibrant, picturesque surroundings.
In Mostar, Bosnia and Herzegovina, August marks the end of summer, showcasing a delightful balance of daylight that lasts approximately 13 hours. This month, although slightly shorter than the sun-drenched days of June and July, still offers ample opportunity for outdoor exploration and cultural experiences. Following a steady increase in daylight from January's 9 hours to a peak in June, August signals a gradual decline as the days begin to shorten once more. The trend of increasing daylight during the spring months, peaking in early summer, highlights the region's seasonal rhythm, paving the way for a softer transition into the autumn months ahead.
In Mostar, Bosnia and Herzegovina, the August winds whisper gently through the historic streets, with an average speed of 1.9 m/s (4 mph). This slight breeze is part of a subtle decline leading into the late summer months, where winds have eased from the consistent 2.2 m/s (5 mph) observed in the early year. Despite August's gentle breath, the overall trend reveals a soothing pattern; as the year unfolds, wind speeds gradually diminish throughout the summer, reaching their lowest in September at 1.7 m/s (4 mph). However, the autumn months promise a modest revival, hinting at an ever-evolving dance of air as the seasons transition.
Weather in Mostar varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Mostar, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January showcase distinctly contrasting weather patterns. In August, the temperatures can soar with an average of 25°C (77°F), peaking at a sweltering 41°C (105°F), while January presents a much chillier atmosphere with average temperatures around 3°C (37°F) and lows plummeting to -13°C (8°F). Additionally, August experiences relatively low precipitation at 54 mm (2.1 in) over about 7 days, while January is much wetter, receiving 112 mm (4.4 in) over approximately 11 days, accompanied by higher humidity levels of 88% compared to August's 53%. For a deeper look at January weather specifics, you can visit Mostar weather in January.
August and February present strikingly different weather patterns. In August, temperatures soar to an average of 25°C (77°F), with highs reaching up to 41°C (105°F), making it the warmest month of the year. In contrast, February experiences significantly cooler temperatures, with an average of just 6°C (43°F) and nighttime lows dipping to -9°C (17°F). While August sees relatively low precipitation at 54 mm (2.1 in) over 7 days, February is much wetter, with 151 mm (5.9 in) of rain falling across 11 days. Additionally, humidity levels are higher in February at 82%, compared to 53% in August. For more detailed information on February weather, visit Mostar weather in February.
August and March present distinctly different weather experiences. In August, the temperatures can soar with a minimum of 11°C (52°F) and peak at a scorching 41°C (105°F), resulting in an average of 25°C (77°F). The humidity is relatively moderate at 53%, and precipitation is light, averaging 54 mm (2.1 in) over about 7 days. On the other hand, March sees much cooler temperatures, ranging from a minimum of -8°C (17°F) to a maximum of 22°C (73°F), with a much lower average of 8°C (46°F). It is significantly wetter, with precipitation totaling 141 mm (5.5 in) across approximately 11 days, and higher humidity levels at 79%. For more detailed insights into March weather, you can check Mostar weather in March.
When comparing the weather in August and April, significant differences are evident. August experiences much warmer temperatures, with a minimum of 11°C (52°F) and an average of 25°C (77°F), reaching highs of up to 41°C (105°F). In contrast, April's temperatures are considerably cooler, with a minimum of -4°C (25°F) and an average of 12°C (53°F), peaking at 28°C (82°F). Furthermore, April tends to be wetter, with 116 mm (4.6 in) of precipitation over 11 days compared to August's 54 mm (2.1 in) over just 7 days. Humidity levels are also higher in April, averaging 75%, while August maintains a more comfortable 53% humidity. For more detailed weather information, check Mostar weather in April.
When comparing the weather in August and May, several key differences emerge. August boasts much warmer temperatures, with a minimum of 11°C and averaging around 25°C, while highs can reach up to a sweltering 41°C. In contrast, May experiences cooler conditions, with temperatures ranging from a low of 1°C to a maximum of 30°C, averaging 16°C. Additionally, May is significantly wetter, recording 132 mm of precipitation over 16 days, whereas August sees just 54 mm of rain across 7 days. The humidity is also higher in May at 74% compared to 53% in August. For more detailed information on May's weather, you can visit Mostar weather in May.
In comparing the weather between August and June, August tends to be warmer with average temperatures reaching 25°C (77°F), while June has a lower average of 21°C (71°F). The peak temperatures in August can soar up to 41°C (105°F), compared to June's maximum of 37°C (98°F). Precipitation is slightly less in August, with 54 mm (2.1 in) over 7 days, whereas June experiences more rain at 69 mm (2.7 in) over 11 days. Humidity is also lower in August at 53%, compared to June's higher level of 66%. For more specific details, you can check Mostar weather in June.
In comparing the weather for July and August, August tends to be slightly warmer, with an average temperature of 25°C (77°F) compared to July's 24°C (76°F). The maximum temperature in August reaches up to 41°C (105°F), significantly higher than July's peak of 38°C (101°F). Precipitation is also higher in August, with 54 mm (2.1 in) over 7 days, while July experiences 41 mm (1.6 in) over just 5 days. Furthermore, humidity levels are a bit lower in August at 53%, compared to July's 59%. For more information on July weather specifics, you can refer to Mostar weather in July.
In August, the weather is characterized by relatively high temperatures, with minimums around 11°C (52°F) and maximums reaching up to 41°C (105°F), accompanied by an average temperature of 25°C (77°F). Precipitation is moderate, totaling 54 mm (2.1 in) over 7 days, with humidity levels averaging 53%. In contrast, September brings cooler temperatures, with minimums dropping to 4°C (39°F) and an average of 19°C (67°F), while maximums reach up to 33°C (91°F). This month also witnesses an increase in precipitation, totaling 107 mm (4.2 in) over 9 days, along with a rise in humidity to 65%. For a more detailed overview, you can visit Mostar weather in September.
August and October present a striking contrast in weather conditions. In August, temperatures soar with a minimum of 11°C (52°F), averaging around 25°C (77°F) and peaking at a scorching 41°C (105°F). This month also sees moderate rainfall, with 54 mm (2.1 in) spread over about 7 days and humidity levels around 53%. In stark contrast, October brings a significant drop in temperatures, with a minimum of 1°C (34°F), an average of 14°C (57°F), and a maximum of 27°C (80°F). The month is considerably wetter, recording 140 mm (5.5 in) of precipitation over 10 days and a higher humidity of 78%. For more detailed insights, you can check out Mostar weather in October.
In August, the weather is typically warm, with average temperatures around 25°C (77°F) and highs reaching up to 41°C (105°F). This month experiences relatively low precipitation, totaling 54 mm (2.1 in) over about 7 days, and a moderate humidity level of 53%. In contrast, November brings much cooler temperatures, with an average of 10°C (50°F), and lows dipping down to -3°C (26°F). This month is significantly wetter, boasting 251 mm (9.9 in) of precipitation across 12 days and higher humidity at 85%. For more details about November weather, you can visit Mostar weather in November.
August and December present stark contrasts in weather. In August, temperatures soar with a minimum of 11°C (52°F) and can peak at a sizzling 41°C (105°F), averaging around 25°C (77°F). The month experiences relatively low precipitation at 54 mm (2.1 in) over just 7 days, and humidity is a moderate 53%. In contrast, December brings much cooler conditions, with temperatures ranging from a chilly -7°C (19°F) to a maximum of 16°C (62°F), averaging only 5°C (42°F). It is also a much wetter month, recording 248 mm (9.8 in) of precipitation on about 15 days, accompanied by high humidity levels at 86%. For more details, visit Mostar weather in December.
As August wraps up summer in Mostar, visitors can expect hot days and comfortable evenings, setting it apart from the milder months that precede it. Temperatures soar, often reaching their peak, while the average remains pleasantly warm. With significantly lower precipitation days and humidity levels that are relatively comfortable, August offers a striking contrast to the wetter spring months. Whether you're exploring the city's rich history or enjoying the vibrant outdoor cafes, the sunshine and warmth create an ideal atmosphere for summer adventures. For a deeper understanding of what to expect throughout the year, check out Mostar Climate.