Niš weather in August
August in Niš: hot, a little rain, with clean air — an excellent time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#5 of 12 months in Niš · #557 of 1413 destinations to visit in August · comfort 83/100 (tier A)
- Days
- 32°C
- Nights
- 16°C
- Wet days
- 6
- Sun
- 11.9 h
- Humidity
- 59%
- Daylight
- 14 h
Traveller notes on Niš in August
Other months in Niš
Forum posters describe an early-spring Niš visit as genuinely unpredictable, with one trip report describing a sunny first day followed immediately by snow on the second. Posters discussing the wider Serbian March pattern cite Belgrade daily highs around 10C, moderately windy, with rain on roughly a quarter to a third of days in a typical month - not especially wet by regional standards, but changeable enough that a visit can span both mild and snowy days. Posters note Niš itself has more of a reputation as a lively summer destination, with its main pedestrian street and outdoor bars really coming alive once the weather warms. Posters generally rate March as a genuinely mixed, still-wintry-at-times month for Niš, with real day-to-day swings worth planning flexibly around.
Forum posters describe September Serbia weather as usually very pleasant with relatively few rainy days, though still worth checking a short-range forecast since conditions can shift. Temperatures hover around the low-to-mid 20sC with warm sun through the day, but posters note evenings turn noticeably chillier as daylight hours shrink through the month. For Nis specifically, visitors describe it as an easy, walkable city with most sights concentrated in a compact historic core, and the river promenade and parks are called out as especially atmospheric to walk in the crisp early-autumn air.
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Niš climate normals — August
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Niš in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsNisville Jazz Festival, Film Encounters, Nis Fortress, school holidays in 7 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Niš's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherNiš's best weather comes in April, May and September — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Niš in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Inland summer heat
1 Jul – 25 Aug · usuallyExtreme heatNis sits in a basin well away from any sea and July and August afternoons are brutal in it, which is why nothing happens between two and six. Evenings on the riverside are the compensation.
- Festival
Nisville Jazz Festival
13–16 AugMusic festivalCrowdedBook earlyFour August nights inside the Ottoman fortress with several stages running at once, jazz stretched to take in brass bands, blues and Balkan rock. It is the one week the city is genuinely full. Source ↗
- Festival
Film Encounters, Nis Fortress
20 Aug – 2 Sep · usuallyFilm festivalCrowdedSerbia's oldest film festival, devoted to screen acting, fills the big open-air stage inside the fortress for a week at the end of August. The country's best-known actors turn up and evening screenings are packed. Source ↗
Nearby, and something's on
Within 300 km of Niš — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Niš?
Niš in August — FAQ
- Is August a good time to visit Niš?
- August in Niš: hot, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Niš on SeasonMap's comfort score (83/100).
- What is the weather like in Niš in August?
- In August, Niš averages a daily high of 31.8°C and a low of 16.3°C, with about 30.5 mm of rain over roughly 6.1 rainy days.
- What is the air quality in Niš in August?
- Niš has a mean US Air Quality Index of about 44 in August.
Within 300 km: Belgrade's The river clubs open around 1 May – 30 Sep, and Budva's Grad Teatar on 28 Jun – 25 Aug.