May · Austria
Best time to visit Graz in May Weather, crowds & prices
Weather in Graz in May
Average temperature 15°C, 121 mm of rain, about 18 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
7.5/10
Ranked #3 of 12 months
- Avg temp
- 15°C
- Rainfall
- 121 mm
- Humidity
- 75%
- Days with 6h+ sun
- 18
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Graz scores 7.5/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 15°C, 121 mm of rain, and roughly 18 days with 6+ hours of sunshine this month.
Graz's painted facades, castle hill and design university make it Austria's creative second city.
May in Graz: strong conditions, 3rd of 12
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 days with 6+ hours of sunshine 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.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Graz in May?
- In May, Graz averages 15°C, 121 mm of rain, and about 18 days with 6+ hours of sunshine. Its climate-comfort score is 7.5/10.
- Is May a good time to visit Graz?
- May earns a 7.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Graz in May?
- Expect about 121 mm of rain in May. Average humidity is 75% and there are about 18 days with 6+ hours of sunshine.
Curated in Graz
Tickets & experiences
Things to do in Graz
Graz, Austria. Live activities and tours from GetYourGuide, matched to this destination.