Climate Insights for Illmitz

The climate in Illmitz is temperate. The average annual temperature is 12°C and approximately 658mm of precipitation falls per year. Illmitz receives a notable amount of rainfall throughout the year, including during its driest month. Illmitz 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 -1°C. Light snow can occur between January and December.

Temperatures in Illmitz 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 28°C and the mean temperature sits around 23°C. The coldest month is January, when overnight lows fall to -1°C and the daily average is 2°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Illmitz is a relatively dry area, receiving approximately 658mm of precipitation annually, which averages out to around 55mm per month. The wettest month is May, averaging 81mm of rainfall. September and August also tend to see above-average precipitation. The driest month is March, with just 30mm. That's 51mm 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. Light snowfall can occur between January and December, totalling around 25cm annually. January is the snowiest month with approximately 8cm.

Illmitz is mildly breezy, with an average annual wind speed of 19km/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 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

It is currently spring in Illmitz, which began on March 20, 2026. Illmitz 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 28°C, while the coldest stretch bottoms out in January near -1°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Illmitz is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 72mm per month. By contrast, January can be quite cold with temperatures dropping to -1°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Illmitz 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.