Best weather:
April to June, September, and October. July and August are hottest and most humid. Tourism swells from May through September.
Best prices: September and October.
Festival highlights: Maggio Musicale, the city's major arts festival, takes place from May through early June; the Calcio in Costume -- Soccer in Costume -- is an annual competition held in June among four teams, each representing a medieval district of the city; a fireworks display marks midsummer and the feast of John the Baptist, Florence's patron saint, on June 24.