About Mellau, Vorarlberg's Climate & Weather History

Mellau, in Vorarlberg, Austria, is home to roughly 1,300 people in the Central European time zone at 47.4°N latitude.

In 2025, Mellau recorded an average annual temperature of 51°F. The hottest temperatures reached 86°F in June; the coolest were 11°F in January. Total precipitation for the year was 57 inches, with the wettest month being July. Snowfall for the year totaled approximately 29 inches.