Climate Overview
The climate in Graz Airport is cool. The average annual temperature is 10°C and approximately 965mm of precipitation falls per year. Graz Airport receives a notable amount of rainfall throughout the year, including during its driest month. Graz Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, December, February, when temperatures can drop to -4°C. Snowfall occurs from January to December, with around 60cm accumulating over the season.
Temperature
Temperatures in Graz Airport vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 25°C and the mean temperature sits around 20°C. The coldest month is January, when overnight lows fall to -4°C and the daily average is -1°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.
Precipitation
Graz Airport is a moderately rainy area, receiving approximately 965mm of precipitation annually, which averages out to around 80mm per month. The wettest month is May, averaging 138mm of rainfall. July and August also tend to see above-average precipitation. The driest month is January, with just 37mm. That's 101mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 60cm accumulating over the season. January typically sees the most snow at around 15cm.
Wind
Graz Airport is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Graz Airport, which began on March 20, 2026. Graz Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 25°C, while the coldest stretch bottoms out in January near -4°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 0 to 18°C. Precipitation is moderate at around 251mm for the season, averaging 84mm per month. Winds are generally light, averaging 11km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 13 to 25°C. Rainfall is heavy, totalling around 354mm across the season with a monthly average of 118mm. Winds are generally light, averaging 10km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 1 to 20°C. Precipitation is moderate at around 240mm for the season, averaging 80mm per month. Expect around 9cm of snow accumulation during this period. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -4 to 7°C. Rainfall is relatively light, with around 121mm over the season and a monthly average of 40mm. Expect around 40cm of snow accumulation during this period. Winds are generally light, averaging 9km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Graz Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
