Since Monday, Buenos Aires City has been under an orange alert for extreme heat, the second highest alert possible. Buenos Aires won’t be the only part of Argentina feeling the heat. If you’re spending New Year’s Eve in Buenos Aires, here are some tips to avoid heat-related health problems. When will the temperatures drop in Buenos Aires? Temperatures are forecast to fall as 2026 rolls around, with temperatures dropping to lows of 21°C and highs of 30°C.

Source: Bueno Aires Herald December 30, 2025 16:47 UTC