Climate guide for Graz, Austria

Best Time to Visit
Graz

How to read the score (0–10)
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About Graz

Graz is a sightseeing destination in Austria. Plan around late spring through early autumn for more reliable conditions, then drill into monthly scores when you need finer timing for sightseeing travel. Use the monthly scores to plan walking and sightseeing days around heat, rainfall, humidity and daylight.

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Travel Tips

Timing & weather
Check Graz's monthly climate scores before locking flights - temperate patterns shift comfort for sightseeing trips across the year.
Getting around
In Graz, pair a walkable core day with one transit or transfer buffer - crowds and traffic vary by season in Austria.
Tickets & access
Reserve popular museums and day trips from Graz ahead in peak months; shoulder seasons are more flexible.
Pack for the profile
Comfortable walking shoes and a day bag matter more than formal wear for most Graz sightseeing days.

Things to do in Graz

Graz, Austria. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Graz: the short answer

The best time to visit Graz is August, followed by June, May. Those months combine the most usable temperatures with the fewest lost days to rain: August averages 22°C with 106 mm of rain and about 18 sunny days. The months to avoid unless you have a specific reason are December, January. If budget matters more than perfect weather, November is the strongest of the low-rate months at 5/10.

Across the year Graz swings from 1°C in January to 22°C in August, a 22-degree spread, while rainfall ranges from 26 mm in February to 156 mm in July. That is the whole planning problem in one sentence: Graz is not equally good year-round, and the difference between the best and worst month here is 3.6 points on a 10-point scale.

Warmest month: August (22°C). Coolest: January (1°C). Driest: February (26 mm). Wettest: July (156 mm).

Graz month by month

January in Graz — the hardest end of the year

Hardest · 4.3/10

January averages 1°C (33°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Rainfall runs 50 mm, so plan one flexible day in three; you still get about 0 sunny days and 8.7 hours of daylight.

It scores 4.3/10 here, 11th of 12 months, against 7.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.

If your dates are flexible, August is materially better in Graz — 3.6 points higher on the same scale.

February in Graz — workable with trade-offs

Trade-offs · 5.6/10

February averages 4°C (38°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Expect 26 mm of rain — occasional showers rather than washed-out days — alongside about 0 sunny days and 10 daylight hours.

It scores 5.6/10 here, 9th of 12 months, against 7.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack insulated layers, a windproof shell, gloves and boots with grip.

If your dates are flexible, August is materially better in Graz — 2.3 points higher on the same scale.

March in Graz — workable with trade-offs

Trade-offs · 6.6/10

March averages 6°C (43°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 46 mm, so plan one flexible day in three; you still get about 8 sunny days and 11.6 hours of daylight.

It scores 6.6/10 here, 7th of 12 months, against 7.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.

April in Graz — reliably good (5th best month)

Good · 7.1/10

April averages 9°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 67 mm, so plan one flexible day in three; you still get about 12 sunny days and 13.4 hours of daylight.

It scores 7.1/10 here, 5th of 12 months, against 7.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.

May in Graz — reliably good (3rd best month)

Good · 7.5/10

May averages 15°C (60°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

At 121 mm this is a genuinely wet month: about 18 sunny days in total, and outdoor plans need an indoor fallback.

It scores 7.5/10 here, 3rd of 12 months, against 7.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.

June in Graz — reliably good (2nd best month)

Good · 7.8/10

June averages 20°C (68°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

At 122 mm this is a genuinely wet month: about 23 sunny days in total, and outdoor plans need an indoor fallback.

It scores 7.8/10 here, 2nd of 12 months, against 7.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.

July in Graz — reliably good (4th best month)

Good · 7.4/10

July averages 22°C (72°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

At 156 mm this is a genuinely wet month: about 25 sunny days in total, and outdoor plans need an indoor fallback.

It scores 7.4/10 here, 4th of 12 months, against 7.9/10 in the destination's best month.

Expect peak pricing, and this is one of the busiest months here.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.

August in Graz — the year's strongest window

Best window · 7.9/10

August averages 22°C (72°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

At 106 mm this is a genuinely wet month: about 18 sunny days in total, and outdoor plans need an indoor fallback.

On our climate-comfort scale this is the top-ranked month of the year for Graz at 7.9/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.

September in Graz — reliably good (6th best month)

Good · 7.1/10

September averages 17°C (62°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

At 109 mm this is a genuinely wet month: about 10 sunny days in total, and outdoor plans need an indoor fallback.

It scores 7.1/10 here, 6th of 12 months, against 7.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.

October in Graz — workable with trade-offs

Trade-offs · 6.4/10

October averages 13°C (55°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 72 mm, so plan one flexible day in three; you still get about 2 sunny days and 10.6 hours of daylight.

It scores 6.4/10 here, 8th of 12 months, against 7.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

If your dates are flexible, August is materially better in Graz — 1.5 points higher on the same scale.

November in Graz — workable with trade-offs

Trade-offs · 5/10

November averages 5°C (40°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 48 mm, so plan one flexible day in three; you still get about 0 sunny days and 9.1 hours of daylight.

It scores 5/10 here, 10th of 12 months, against 7.9/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.

If your dates are flexible, August is materially better in Graz — 2.9 points higher on the same scale.

December in Graz — the hardest end of the year

Hardest · 4.3/10

December averages 1°C (34°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Rainfall runs 51 mm, so plan one flexible day in three; you still get about 0 sunny days and 8.3 hours of daylight.

It scores 4.3/10 here, 12th of 12 months, against 7.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.

If your dates are flexible, August is materially better in Graz — 3.6 points higher on the same scale.

Frequently asked

When is the best time to visit Graz, Austria?
In Ideal Weather mode, the best months to visit Graz are August, June, May, July. August is the single peak month with an Ideal Weather score of 7.9/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Graz year-round?
Graz has a climate profile suited to sightseeing and cultural travel. Average monthly temperatures range from 1°C in January to 22°C in August, with Ideal Weather scores between 4.3 and 7.9 out of 10.
Which months should I avoid in Graz?
The lowest Ideal Weather-scoring months in Graz are January (4.3/10), December (4.3/10), November (5.0/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Graz?
July is the wettest month in Graz, averaging about 156 mm of rainfall. February is the driest, at roughly 26 mm.
Which is the sunniest month in Graz?
July sees the most sun in Graz, with about 25 sunny days on average - ideal for outdoor plans.
Is Graz a good destination for sightseeing and cultural travel?
Graz is well suited to sightseeing and cultural travel. Its highest Ideal Weather window (August, June, May, July) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Graz calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Graz: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for sightseeing and cultural travel.

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Curated in Graz

Tickets & experiences