Graz Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Graz.
Climate overview of Graz
Graz, Styria, Austria, experiences significant temperature variation throughout the year. Summers bring daytime highs of 26°C (79°F) in July, while winters cool to 4°C (39°F) in January.
Graz sees a moderate amount of rain/snowfall, totalling around 871 mm (34 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. July is the sunniest month, averaging 7.9 hours of sunshine per day.
Graz Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Graz - and find the best time to visit.
Monthly Temperature in Graz
Depending on the time of the year, temperatures range from comfortable to chilly in Graz. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in July, the warmest time of the year, to a chilly 4°C (39°F) during cooler months like January.
At night, you can expect temperatures ranging from 14°C (57°F) in July to around -4°C (25°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Graz
Generally, Graz has a moderate amount of precipitation, averaging 871 mm (34 in) of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, June it receives high rainfall, averaging 105 mm (4.1 in) of precipitation, recorded across 15 rainy days. In contrast, the driest month January brings less snow/rainfall, with 33 mm (1.3 in) over 11 snowy/rainy days. For more details, please visit our Graz Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Graz
Seasonal changes in sunshine hours are quite dramatic in Graz. While July receives considerable daily sunshine with up to 7.9 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.5 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Graz by Month
The relative humidity is high throughout the year in Graz.
The city experiences its highest humidity in December, reaching 82%. In April, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Graz
The mean wind speed over the year ranges from 1 m/s (2 knots) in January, February, March, April, May, June, July, August, September, October, November and December to 1 m/s (2 knots) in January, February, March, April, May, June, July, August, September, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Graz
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, July and September
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Graz
What is the best time to visit Graz?
May, July and September typically offer the most optimal weather in Graz. In contrast, January, February, November and December tend to have less optimal conditions. Graz has warm summers and cold winters.
What temperatures can I expect in Graz?
Daytime highs range from 4°C (39°F) in January to 26°C (79°F) in July. Nighttime lows range from -4°C (25°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Graz get?
Annual rainfall is around 871 mm (34 in). June is the wettest month with 105 mm (4.1 in), while January is the driest with 33 mm (1.3 in).
How sunny is Graz?
Graz receives around 1,892 hours of sunshine per year. July is the sunniest month with 237 hours, while December is the cloudiest with just 75 hours.
Graz 3-Day Forecast
Graz on the map
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