About Bahia Blanca, Buenos Aires's Climate & Weather History

With a population of around 299,000, Bahia Blanca sits in Buenos Aires, Argentina. The city operates in the America/Argentina/Buenos Aires time zone.

In 2025, Bahia Blanca recorded an average annual temperature of 61°F. The hottest temperatures reached 100°F in December; the coolest were 24°F in June. Total precipitation for the year was 31 inches, with the wettest month being March. Snowfall for the year totaled approximately 1 inches.