Sibiu weather in August
August in Sibiu: hot, a little rain, with clean air — one of the best months to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#2 of 12 months in Sibiu · #308 of 1413 destinations to visit in August · comfort 89/100 (tier A)
- Days
- 29°C
- Nights
- 15°C
- Wet days
- 6
- Sun
- 11.9 h
- Humidity
- 72%
- Daylight
- 14 h

Traveller notes on Sibiu in August
Notes from nearby Brașov (116 km away)
Sibiu doesn't have its own notes for August yet — these are about Brașov, close enough to share the season.
Brasov-forum threads on what to pack for the Carpathians in August confirm real elevation matters, posters describing a comfortably warm base town against noticeably cooler, sometimes genuinely brisk conditions once a cable car or trail gains height above Poiana Brasov. Regulars recommend a proper layer for any hike above the tree line regardless of how the town feels that morning. Posters describe Brasov as carrying full Transylvanian summer warmth, evenings turning pleasant once the day's heat eases off. Regulars call August a strong month for the Postavaru Peak trails, cable car access making higher routes reachable without the full climb on foot. Posters recommend Brasov or Sibiu as a base for the wider range, both well set up with gear shops and guides. Regulars call the medieval old town worth a full day on its own regardless of hiking plans. The record: 27.5C days feeling like 29C, 12.5C nights, 70 percent humidity and 11.8 hours of sun.
Other months in Sibiu
Forum posters cite mid-March temperatures across Romania typically ranging 5-15C, with daytime highs occasionally reaching 20C depending on region and exact timing, and snowfall relatively unlikely at lower elevations outside the mountains, though a trip up into the mountains themselves in early March is likely to still be genuinely cold. One visitor's March 2022 Sibiu trip specifically described walking through residential streets and a large park dusted with a fine, recent snowfall. Posters recommend layered clothing given how much temperatures can vary within the same day and across different parts of Transylvania. Posters generally rate March as a workable, if still cool and occasionally snow-dusted, time to visit Sibiu, with the medieval old town and Astra open-air museum both viable regardless.
Forum posters describe September as still summer-like around the Fagaras mountains near Sibiu - balmy days with somewhat chillier nights, and if the weather cooperates, most of the day can be spent outside in shirt sleeves. Early September gets the best odds; by late September into early October, conditions are still called nice but with a real uptick in rain chances and cooler air. Rain gear and layers are the standard packing advice regardless of exact dates. For the visit itself, posters recommend about two days in Sibiu's old quarter and museums, with day trips out to the nearby fortified-church German villages as the natural add-on.
Add your own note from Sibiu's card on the map.
Sibiu climate normals — August
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Sibiu 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.
Busyschool holidays in 7 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Sibiu'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).
Best weatherSibiu's best weather comes in June, August and September — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Sibiu in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Opening
Transfagarasan road open
25 Jun – 31 Oct · usuallyTrail seasonThe mountain road south of the city is shut by snow from late October until about the end of June, which puts the whole Fagaras crossing inside a four-month window. Check the signs at Cartisoara before committing. Source ↗
Nearby, and something's on
Within 300 km of Sibiu — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Sibiu?
Sibiu in August — FAQ
- Is August a good time to visit Sibiu?
- August in Sibiu: hot, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Sibiu on SeasonMap's comfort score (89/100).
- What is the weather like in Sibiu in August?
- In August, Sibiu averages a daily high of 28.6°C and a low of 14.6°C, with about 48.5 mm of rain over roughly 5.8 rainy days.
- What is the air quality in Sibiu in August?
- Sibiu has a mean US Air Quality Index of about 39 in August.
Within 300 km: Brașov's Bear watching season around 1 May – 30 Sep, and Bucharest's George Enescu Festival around 27 Aug – 26 Sep.