Berisso's climate is characterized by mild winters, with temperatures ranging from -3°C in June and July to a relatively warm 6°C in April. Spring arrives in September with rising temperatures, peaking at around 26°C. Summer months of December, January, and November bring high temperatures, often reaching up to 40°C, while autumn sees a gradual decrease in temperature back down to 2°C in October. The coolest period is from June to August, with average temperatures barely above freezing point.