Graz Weather in May
May in Graz typically sees daytime highs of 21°C (70°F) and nighttime lows of 9°C (48°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Graz in May
Looking at the last 30 years, the data shows about 14 days with rain, averaging 96 mm (3.8 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Graz in May
May is one of the better months to visit Graz. Expect 21°C (70°F) during the day and 9°C (48°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Graz in May
The city usually sees around 211 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Wind Speed in Graz in May
Average wind conditions reach 1 m/s (2 knots) in May. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.If you favor pleasant temperatures and minimal rainfall, May is one of the best months to visit Graz.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Austria, check out our Graz's climate page.
Graz Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
21°C (70°F)
Chance of Rain
48%
Precipitation
96 mm (3.8 in)
Rainy days
14 days
Humidity
67%
Windspeed
1 m/s (2 knots)
Sunshine
211 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Graz typically stay consistent throughout May, with daily highs averaging around 21°C (70°F). Nights are cool, with lows typically ranging from 7°C (45°F) to 11°C (52°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Graz in May
Browse day-by-day weather records for Graz spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Graz historical weather extremes in May
Based on 50 years of weather observations in Graz between 1976 and 2026, these are the recorded extremes.
- Graz recorded its highest May temperature of 35°C (95°F) on May 28, 2008.
- The coldest night in May in Graz was on May 4, 1979, with a minimum of -4°C (25°F).
- The wettest day in May Graz was on May 23, 2015 with 60 mm (2.4 in) of precipitation.
Best Places in Austria in May
Find out more about the weather in Austria and which places have the best travel conditions in this month. See all of Austria in May →
perfect weather
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What to Wear in Graz in May
For Graz in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Graz in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Austria, check out our Graz's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Graz climate overview or explore weather in Austria.
