Graz
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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.

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

Graz Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Graz - and find the best time to visit.

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 records 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
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Cycling
    9/10
  • Walking
    9/10
  • Barbeque
    8/10
  • Camping
    4/10
  • Outdoor sports
    9/10

Graz 3-Day Forecast

More climate data for Graz

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.