Monthly climate guide
Banja Luka weather in August
With highs near 31°C (87°F) and lows around 17°C (63°F), August feels hot in Banja Luka. Rainfall averages about 51 mm (some rain) and the sky is a mix of sun and cloud. Daytime highs are about the same as July and 6°C warmer than September.
What stands out in August
- Skies are at their clearest this time of year.
- Just 140 km apart, but Banja Luka runs about 4°C warmer than Sarajevo this month.
- It cools down fast from here: September is about 6°C cooler.
- Evenings cool off sharply: the daily range is around 14°C, so pack a layer.
August is typically Banja Luka's warmest month.It's usually the driest month of the year.
Avg high
31°C
87°F
Avg low
17°C
63°F
Rainfall
51 mm
some rain
Humidity
55%
relative
Sky
39%
cloud · a mix of sun and cloud
Banja Luka weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 5°C / 41°F | -3°C / 27°F | 54 mm | 90% | 77% |
| February | 7°C / 44°F | -2°C / 29°F | 66 mm | 87% | 76% |
| March | 12°C / 54°F | 1°C / 34°F | 58 mm | 79% | 67% |
| April | 18°C / 64°F | 6°C / 42°F | 56 mm | 73% | 65% |
| May | 21°C / 70°F | 10°C / 50°F | 107 mm | 74% | 67% |
| June | 26°C / 79°F | 15°C / 58°F | 75 mm | 69% | 56% |
| July | 30°C / 85°F | 17°C / 62°F | 68 mm | 59% | 44% |
| August | 31°C / 87°F | 17°C / 63°F | 51 mm | 55% | 39% |
| September | 25°C / 76°F | 13°C / 55°F | 78 mm | 65% | 56% |
| October | 19°C / 66°F | 7°C / 45°F | 79 mm | 75% | 61% |
| November | 12°C / 54°F | 3°C / 38°F | 61 mm | 86% | 73% |
| December | 7°C / 44°F | -1°C / 30°F | 62 mm | 90% | 70% |
What to pack for August
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- An extra layer — evenings are noticeably cooler than afternoons
- A small travel umbrella, just in case
- Sunglasses
Is August a good time to visit Banja Luka?
Compare the months in the chart above to find your ideal window.
Best time to visit Banja Luka →Other Bosnia and Herzegovina cities in August
Cite or embed this data
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Banja Luka weather in August. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/bosnia-and-herzegovina/banja-luka/august
<a href="https://weathercompare.eu/weather/bosnia-and-herzegovina/banja-luka/august">Banja Luka weather in August</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/bosnia-and-herzegovina/banja-luka" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Banja Luka weather in August"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/bosnia-and-herzegovina/banja-luka/august">Banja Luka weather in August</a> – WeatherCompare</p>
Banja Luka in August: quick answers
Is August a good time to visit Banja Luka?
August is a reasonable time for Banja Luka: highs around 31°C and about 51 mm of rain, though not one of the three best months.
How warm is Banja Luka in August?
Average highs are about 31°C (87°F) and average lows about 17°C (63°F), based on 10 years of daily data.
Does it rain a lot in Banja Luka in August?
Banja Luka typically gets around 51 mm of rain in August — some rain. It's usually the driest month of the year.
Figures are long-term averages for the area around Banja Luka (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.