Weather in Linz is usually quite pleasant between spring and autumn, but chilly in winter, which is long. The best time to visit is in the summer between June and September, because that’s when Linz is most alive, but spring and autumn are very attractive times too, if you want to explore the region.
Spring: April – May: Temperatures between 5 and 15 degrees Celsius.
Summer: June – August: Temperatures between 10 – 25 degrees Celsius.
Autumn: September – October: Temperatures between 5 and 15 degrees Celsius.
Winter: November – March: Temperatures between -5 and 5 degrees Celsius.