Best Time to Visit Graz

Graz offers distinct seasonal appeal: spring and autumn deliver mild weather with manageable crowds, summer brings warmth but tourist congestion, whilst winter transforms the medieval old town into a festive setting at the cost of cold, grey days. Timing your visit around the city's cultural calendar and weather patterns substantially improves the experience.

✦ Visit in May or September for the optimal balance of warm, dry weather, cultural openness, and genuinely manageable crowds.

✅ Best months

May and September are optimal. May features 15–18°C daytime temperatures, blooming gardens around Schloss Eggenberg, and the city remains less crowded than summer. September mirrors these conditions whilst avoiding peak tourist season and school holidays, with additional autumn clarity for photography of the Altstadt's Renaissance facades.

🔥 Peak season

July–August sees peak tourist arrival, driven by school holidays across Europe and outdoor festival season. Hotel rates increase 20–35% above shoulder months; boutique properties in the Altstadt often fully book 6–8 weeks ahead. Mariatrost Basilica and riverside gardens become congested, though open-air cinema and street performances justify the bustle.

💷 Shoulder (best value)

April–May and September–October offer 15–20% hotel discounts versus peak, reliable 13–18°C weather, and uncrowded access to the Kunsthofpassage and Kunsthaus. Autumn additionally provides clear skies ideal for exploring Schloss Eggenberg's grounds without summer humidity.

🌙 Quietest & cheapest

November–February is quietest and cheapest (hotel rates drop 25–40%), but trade-offs are substantial: daytime highs rarely exceed 5°C, grey skies dominate, and several smaller museums reduce hours. December's Christmas markets (Christkindlmarkt) and New Year festivities offer cultural compensation; January–February are genuinely bleak unless snow falls (rare in the city centre, more reliable in surrounding Alps).

Graz season by season

Spring (Mar–May)

Weather: March 2–8°C, damp; April 8–14°C, improving; May 13–20°C, dry and mild

Crowds: low to medium

Ideal for museum exploration and riverside walks; Easter holiday week (late March/early April) temporarily raises crowds. Longer daylight enables evening strolls along the Mur River.

Summer (Jun–Aug)

Weather: June 16–22°C; July–August 18–24°C; occasional thunderstorms, especially afternoons

Crowds: high

Peak for outdoor dining and riverside lounges; Summerfestival (July–August) features theatre and music. Schools on holiday inflate tourism; book accommodation early.

Autumn (Sep–Nov)

Weather: September 14–20°C, clear; October 9–15°C, crisp; November 4–9°C, wet

Crowds: low to medium

September–October exceptional for photography and wandering; November rain begins, but fewer visitors reward those tolerant of overcast conditions. Styriarte classical music festival (late autumn) draws culture-focused visitors.

Winter (Dec–Feb)

Weather: December 1–6°C, grey; January–February -1 to 3°C, frost likely; snow rare at low elevation

Crowds: low (except Christmas week)

Christmas markets (late November–December 23) provide seasonal charm and mulled wine; Altstadt decorations enhance medieval character. Post-Christmas to early February is genuinely quiet but cold and melancholic.

🎭 Events worth timing a trip around

Summerfestival (July–August): open-air theatre, dance, and classical music across the city. Styriarte (October): prestigious classical music festival centred on baroque and contemporary works—smaller but culturally significant than summer festivals.

🧳 What to pack

Layers are essential year-round: Graz's position at 353m elevation and continental climate mean morning fog and afternoon sun shifts rapidly; bring a lightweight windproof jacket even in summer, and waterproof outer layer for spring/autumn showers.

Found your dates? Get your hotel briefing.

Room tips, the 14-day forecast for your exact stay, dining, transport and more — free for any Graz hotel.

Search any hotel →

Guide last updated June 2026.