Graz weather in June
June in Graz: warm, rainy, with clean air — one of the best months to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#2 of 12 months in Graz · #416 of 1413 destinations to visit in June · comfort 87/100 (tier A)
- Days
- 26°C
- Nights
- 15°C
- Wet days
- 12
- Sun
- 11.8 h
- Humidity
- 73%
- Daylight
- 16 h

Traveller notes on Graz in June
Forum posters describe June as capable of easily reaching 30C on a sunny day, with the honest caveat that the weather is genuinely variable rather than settled - it rarely rains all day, but warm afternoons can give way to an hour or two of torrential evening thunderstorms, especially anywhere near higher ground. The consistent advice is to always carry a waterproof jacket and dress in layers - t-shirts under a jumper - so you can adjust through the day. Overall verdict from posters who've made a June trip: good conditions for sightseeing, just don't expect a guaranteed run of dry days.
Other months in Graz
Forum posters describe Austrian December temperatures generally ranging between -10C and 10C, with more extreme readings possible but less likely. Posters discussing snow specifically note that while heavy snowfall can happen, the odds of a truly severe snowstorm are fairly low, especially mid-December, and major road closures along well-traveled routes remain rare even when conditions turn wet or snowy. Posters generally describe December as the least snow-reliable month of a typical winter travel window, even though it's often the busiest with holiday markets and events. Posters generally recommend layered winter clothing and treating any snow forecast as a possibility rather than a certainty for a December visit to Graz.
Add your own note from Graz's card on the map.
Graz climate normals — June
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Graz in June
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 4 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Graz'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 weatherGraz's best weather comes in May, June and September — separate windows, not one continuous season.
June includes Styriarte.
Best weatherFair weatherToughest weather
What's on in Graz in June
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Festival
Styriarte
20 Jun – 25 Jul · usuallyMusic festivalBook earlyFive weeks of early and classical music in the Helmut List Halle, the Stefaniensaal and the courtyards, built around period-instrument playing. It is the reason Graz has a concert season in high summer at all. Source ↗
Nearby, and something's on
Within 300 km of Graz — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Graz?
Graz in June — FAQ
- Is June a good time to visit Graz?
- June in Graz: warm, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Graz on SeasonMap's comfort score (87/100).
- What is the weather like in Graz in June?
- In June, Graz averages a daily high of 26.4°C and a low of 14.6°C, with about 105.4 mm of rain over roughly 11.5 rainy days.
- What is the air quality in Graz in June?
- Graz has a mean US Air Quality Index of about 50 in June.
Within 300 km: Bled's Vintgar gorge open around 20 Apr – 5 Nov, and Ljubljana's Open Kitchen food market around 15 Mar – 31 Oct.