Sibiu weather in May

May in Sibiu: nice, a little rain, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Sibiu🇷🇴 Romania · Balkans · City86
  1. 48Jan
  2. 62Feb
  3. 71Mar
  4. 80Apr
  5. 86May
  6. 87Jun
  7. 84Jul
  8. 89Aug
  9. 93Sep
  10. 76Oct
  11. 64Nov
  12. 53Dec

#4 of 12 months in Sibiu · #416 of 1413 destinations to visit in May · comfort 86/100 (tier A)

Days
21°C
Nights
9°C
Wet days
10
Sun
11.1 h
Humidity
75%
Daylight
15 h
Sibiu, Romania
Photo: Sergey Guk · Pexels

Traveller notes on Sibiu in May

Notes from nearby Brașov (116 km away)

Sibiu doesn't have its own notes for May yet — these are about Brașov, close enough to share the season.

May in Brasov is close to summer by the end of the month, with showers a real possibility throughout, and the forum's hiking caveat is about altitude: there will still be snow above about 2,000m, though plenty of trails do not go that high - Postavaru sits right above the city, with Bucegi from Busteni or Sinaia and Piatra Craiului from Zarnesti a short drive away. Two crowd notes. The extended May Day weekend at the start of the month fills the area and the roads. And Bran is described as increasingly tacky and packed at weekends, with the villages around it - Magura, Pestera, Sirnea - the better base. The record: 19.9C days, 6.9C nights, 12.9 precipitation days carrying 91.3mm, 11 hours of sun.
SnowAboveTwoThousand · May · 1 month ago · about Brașov · Read more on Tripadvisor ↗

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.
Tripadvisor community · March · 1 month ago · Read more on Tripadvisor ↗
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.
Tripadvisor community · September · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Sibiu's card on the map.

Sibiu climate normals — May

Daytime high21°C / 70°F😎 nice
Nighttime low9°C / 48°F
Feels like (high)21°C / 70°F
Rainfall79 mm / 3.1 in🌦 some rain
Rainy days10 days
Humidity75%💧 humid
Dew point9°C / 48°F
Sunshine11.1 h/day
Daylight14.9 h
Wind10 km/h / 6 mph
Snowfall0.4 cm / 0.2 in
Air quality (US AQI)43🍃 good

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

Crowds in Sibiu in May

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.

Shoulder seasonschool holidays in 4 of the markets that fill it, an ordinary month(estimated)

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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).

Fair weatherSibiu's best weather comes in June, August and September — separate windows, not one continuous season.

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Best weatherFair weatherToughest weather

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?

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Sibiu in May — FAQ

Is May a good time to visit Sibiu?
May in Sibiu: nice, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Sibiu on SeasonMap's comfort score (86/100).
What is the weather like in Sibiu in May?
In May, Sibiu averages a daily high of 21.1°C and a low of 9°C, with about 78.6 mm of rain over roughly 10.2 rainy days.
What is the air quality in Sibiu in May?
Sibiu has a mean US Air Quality Index of about 43 in May.

Within 300 km: Brașov's Junii Brasovului around 5 Apr – 10 May, and Bucharest's Orthodox Easter around 5 Apr – 10 May.