About San Nicolas de los Arroyos, Buenos Aires's Climate & Weather History

San Nicolas de los Arroyos is a city of approximately 134,000 people in Buenos Aires, Argentina. Located in the America/Argentina/Buenos Aires time zone at 33.3°S latitude.

In 2025, San Nicolas de los Arroyos recorded an average annual temperature of 65°F. The hottest temperatures reached 96°F in February; the coolest were 27°F in July. Total precipitation for the year was 48 inches, with the wettest month being November.