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Graz in August: Weather, Average temperature and Climate

Take a look at past year’s weather for Graz in August and see if it is worth visiting.
Check flight prices to Graz on Avionero:
August

Weather in Graz in August 2025

Good Weather
Warm
🌧️
Rainy
Are you considering a trip to Graz in August? Well, the weather is usually on your side with an average maximum temperature of +77°F and about 6 sunny days. Just keep in mind that there may be some rain, with an average of 13 rainy days and 127 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.
Good to know:
  • August is usually the hottest month of the year in Graz;

Average weather

☀️
+77°F
Avg. max. temperature
+41°F
Min.
+100°F
Max.
127 mm
Total precipitation
73%
Avg. humidity
1 m/s
Avg. wind
6 ☀️
Sunny Days
5 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Graz has good weather in August.

Average temperature in Graz in August

Here are the expected maximum, average and minimum temperatures in Graz for August based on the historical data.
Last Year
Historical Data

The temperature in August is +79°F on average, with a range between a maximum of +93°F during the day and a minimum of +48°F at night.

The average maximum temperature goes down 8% by the end of the month, compared with the beginning of the month, from +75°F to +72°F.

Is Graz warm or cold in August?

Graz is typically warm in August.

Maximum temperatures go up compared to the previous month from +77°F to +77°F. The minimum temperature also goes up from +57°F to +57°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

August is the hottest month in Graz, here is the comparison with other months:

Climate in Graz in August

Graz weather looks like this, on average, in August and the surrounding months.
JulyAugustSeptember
Avg. temperature
+77°F+77°F+68°F
Min. temperature
+45°F+41°F+32°F
Max. temperature
+102°F+100°F+88°F
Rainfall
123 mm127 mm96 mm
Wind
1 m/s1 m/s1 m/s
Humidity
70%73%77%
Air pressure
1015 HPa1015 HPa1016 HPa
Sunny days
566
Cloudy days
459
Rainy days
121313
Snowy days
000

August weather is still as good as in July. The temperature levels stay the same in the area of +77°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 123 mm to 127 mm. Humidity rises from 70% to 73%. The average wind speed doesn’t change much during August, staying around 1 m/s. The good news is there are likely to be more sunny days in August, from 5 to 6.

Next month (September) brings a further decline in the weather.

Wind

Wind speed in Graz in August based on historical data.
Last Year
Historical Data

The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Graz is gradually increasing during August, going from 1 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during August in Graz based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in August stands at 45%, leading to total precipitation of around 168 mm. The maximum amount of rainfall per day is around 37 mm, which is moderate rain. August is a pretty wet month with over 14 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
August is one of the rainiest months in Graz, here is a comparison with other months, total mm:
Graz wettest month is June, where a typical day has a 43% chance of precipitation and 128 mm of rainfall per day. January, on the other hand, is the driest month with a mere 10% chance of precipitation and 14 mm of rainfall per day.

How was the weather last August in Graz?

This is the weather in Graz in August 2023:
1 August
🌧️
+75°F
2 August
☀️
+80°F
3 August
☁️
+70°F
4 August
🌧️
+63°F
5 August
🌧️
+61°F
6 August
🌧️
+72°F
7 August
☀️
+68°F
8 August
☀️
+73°F
9 August
🌧️
+69°F
10 August
☀️
+75°F
11 August
☀️
+80°F
12 August
☀️
+83°F
13 August
☀️
+88°F
14 August
☀️
+86°F
15 August
☀️
+86°F
16 August
☀️
+85°F
17 August
☁️
+83°F
18 August
☀️
+83°F
19 August
☀️
+86°F
20 August
☀️
+90°F
21 August
☀️
+93°F
22 August
☀️
+93°F
23 August
☀️
+89°F
24 August
☀️
+91°F
25 August
☀️
+91°F
26 August
☀️
+93°F
27 August
☀️
+87°F
28 August
☁️
+77°F
29 August
🌧️
+66°F
30 August
🌧️
+65°F
31 August
☀️
+72°F
In August 2023 Graz had 21 sunny days, 3 cloudy days, and 7 rainy days. The average maximum temperature was +79°F, with an absolute maximum of +93°F and a minimum of +61°F. The average humidity was 78%, with a maximum of 100% and a minimum of 44%. The average wind speed was 1 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in August?

Climate Change Over the Years

This is how Graz climate has changed over the last 43 years.

The climate in Graz in August has not changed that much over the last 43 years.

The average temperature was the lowest in 1980 (+53°F) and the highest in 2022 (+63°F). The driest year was 2003 with only 565 mm of rainfall, and the wettest year was 2014 with 1792 mm.

FAQ

Frequently asked questions about the weather in Graz in August:

Is August a good time to visit Graz?

August is a really good time to go to Graz. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Graz.

Can you sunbathe in Graz in August?

August is warm in Graz. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Graz rainy in August?

Graz is often rainy in August. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Graz in August?

Usually, it’s not very sunny in Graz in August, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Austria

Check out the weather for other cities in Austria.

Monthly weather in Graz

Source of the data

For this page, we’ve looked at the typical weather in Graz, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.