Cluj-Napoca (Cluj) weather in August

August in Cluj-Napoca: hot, a little rain, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Cluj-Napoca🇷🇴 Romania · Balkans · City85
  1. 45Jan
  2. 59Feb
  3. 70Mar
  4. 80Apr
  5. 87May
  6. 89Jun
  7. 83Jul
  8. 85Aug
  9. 92Sep
  10. 76Oct
  11. 63Nov
  12. 49Dec

#4 of 12 months in Cluj-Napoca · #458 of 1413 destinations to visit in August · comfort 85/100 (tier A)

Days
29°C
Nights
15°C
Wet days
8
Sun
11.7 h
Humidity
70%
Daylight
14 h
Cluj-Napoca, Romania
Photo: Maxime Max · Pexels

Traveller notes on Cluj-Napoca in August

Other months in Cluj-Napoca

Forum posters describe snow in Cluj-Napoca itself around Christmas and New Year as genuinely uncertain, less likely than many visitors assume, though the nearby Apuseni Mountains, about an hour's drive away, reliably hold snow by this point in December. Posters describe December overall as iffy with no real certainty either way - it can turn out nice or properly snowy, with recent years trending milder and more likely to bring decent weather than a hard winter stretch. Posters consistently flag the short daylight hours as a practical planning factor, recommending a rental car to avoid losing time to public transport schedules during the darker part of the day. Posters generally rate December as a genuinely unpredictable, but workable, time to visit Cluj-Napoca, with the mountains the more reliable bet for anyone specifically chasing snow.
Tripadvisor community · December · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe late May into June as one of the best windows to see Transylvania - forests, pastures and meadows all reaching peak color, making the countryside around Cluj particularly striking this time of year. Timing right at the edge of the month has an added bonus: Cluj Days, a free city-wide festival running mid-May through the first days of June, fills the city with events. Beyond the city itself, day trips to the Apuseni Mountains (via Arieșeni or a bus to Băișoara) and the Turda Gorge get recommended for short hikes in the same favorable early-summer window.
Tripadvisor community · June · 1 month ago · Read more on Tripadvisor ↗

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Cluj-Napoca climate normals — August

Daytime high29°C / 84°F🥵 hot
Nighttime low15°C / 59°F
Feels like (high)31°C / 88°F
Rainfall63 mm / 2.5 in🌦 some rain
Rainy days8 days
Humidity70%💧 humid
Dew point14°C / 57°F
Sunshine11.7 h/day
Daylight14.2 h
Wind10 km/h / 6 mph
Air quality (US AQI)42🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Cluj-Napoca 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.

BusyUNTOLD, school holidays in 7 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Cluj-Napoca'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 weatherCluj-Napoca's best weather comes in May, June and September — separate windows, not one continuous season.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Cluj-Napoca in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Festival

    UNTOLD

    1–12 Aug · usuallyMusic festivalCrowdedBook early

    Four nights that put a few hundred thousand people into Cluj Arena and Central Park, running to six in the morning. Beds across the city are gone months ahead and priced like a different country; the trams run all night. Source ↗

What's on around the world in August →

Nearby, and something's on

Within 300 km of Cluj-Napoca — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Cluj-Napoca?

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Cluj-Napoca in August — FAQ

Is August a good time to visit Cluj-Napoca?
August in Cluj-Napoca: hot, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Cluj-Napoca on SeasonMap's comfort score (85/100).
What is the weather like in Cluj-Napoca in August?
In August, Cluj-Napoca averages a daily high of 29°C and a low of 15°C, with about 63.1 mm of rain over roughly 7.6 rainy days.
What is the air quality in Cluj-Napoca in August?
Cluj-Napoca has a mean US Air Quality Index of about 42 in August.

Within 300 km: Brașov's Bear watching season around 1 May – 30 Sep.