Buenos Aires, Argentina

Set under maritime skies, Buenos Aires (Argentina) is best understood through its weather data: our 2015–2024 climate record puts its peak at a 95/100 sun score in January, exactly the kind of reliability you want for an urban escape.

January is the heat peak, averaging 29°C highs; July is the cool end, when nights dip to around 8°C. Rain is most likely in November, when about 29% of days see meaningful rainfall, and least likely in September (18%). Beach-warm afternoons (24°C and up) hold through January–March and November–December.

Season by season (on the northern calendar), spring brings 21°C highs with 26% rain-day odds, summer 15°C at 22%, autumn 22°C at 25%, and winter 28°C at 25%. In short: plan around winter if you can, keep autumn as the fallback, and go into summer with managed expectations (its season score is 59). For warmth without the densest crowds, the shoulder play is December: still 28°C highs, with a sun score of 95.

Best months to visit Buenos Aires

Our month-by-month scoring puts January first (95/100), with December (95) and November (93) close behind. The dependable window is wider than the podium, though: January–April and September–December all score 70 or better. The month to avoid on pure weather odds is July (55/100).

For context: in January, Buenos Aires is drier than 63% of the ocean destinations we track.

Month-by-month breakdown for Buenos Aires → · More destinations for January →

Right now the 16-day outlook shows 11 mostly-clear days (under 40% cloud) and none with real rain risk, with temperatures between 11°C and 30°C — which is how Buenos Aires earns its current 93/100 sun score.