About Busto Arsizio, Lombardy's Climate & Weather History

With a population of around 83,400, Busto Arsizio sits in Lombardy, Italy. The city operates in the Central European time zone.

In 2025, Busto Arsizio recorded an average annual temperature of 58°F. The hottest temperatures reached 97°F in June; the coolest were 27°F in January. Total precipitation for the year was 68 inches, with the wettest month being August.