Climate Overview
Buenos Aires has a humid-subtropical climate with hot 30°C summers (Dec–Feb) and mild 15–16°C winters (Jun–Aug). Rain falls year-round but spikes in Mar (~145mm) while Jun is driest (~22mm). Spring (Oct–Nov) and autumn (Mar–May) are the sweet spots — pleasant for the parks and long tango nights.
Monthly Climate
Temperature range, rainfall, and humidity by month
Monthly Data
| Month | High | Low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 30.2° | 20.7° | 53mm | 61% |
| Feb | 29.8° | 20.6° | 97mm | 68% |
| Mar | 26.8° | 18.4° | 218mm | 75% |
| Apr | 22.1° | 13° | 82mm | 74% |
| May | 19.7° | 11.9° | 205mm | 78% |
| Jun | 15.1° | 5.1° | 32mm | 71% |
| Jul | 15.6° | 7.1° | 39mm | 79% |
| Aug | 17.3° | 9° | 132mm | 71% |
| Sep | 19.3° | 10.3° | 83mm | 67% |
| Oct | 23.1° | 13.8° | 83mm | 61% |
| Nov | 24.5° | 14.9° | 110mm | 61% |
| Dec | 30.2° | 19.8° | 53mm | 56% |
When to Visit
Experiences to seek out and peak periods to plan around
Experiences & Highlights
Two weeks of free milongas, orchestra concerts and the World Tango Championship finals at Usina del Arte. Cool 15°C highs make crowded dance halls comfortable — pack layers for late-night walks.
Over 100 neighborhood murgas parade across 20 corsos from La Boca to Caballito on Carnival weekends. Expect humid 29°C days — most street shows start after 6pm when temperatures drop.
Purple jacaranda canopies carpet Plaza San Martín and Avenida 9 de Julio in November. Mild 22–26°C highs favour long walks through the Rosedal in Palermo and San Telmo's Sunday fair.
Autumn brings the wine-and-steak sweet spot: 18–22°C highs, Malbec releases and sidewalk seating at Don Julio or La Cabrera without summer crowds. Book asados 2–3 weeks ahead.
Peak Periods & Travel Advisories
Monday–Tuesday are national holidays; hotel rates rise 30–50% and central corsos close major avenues from 4pm. Domestic tourism dominates — expect sold-out weekend bus routes to the coast.
Peak domestic summer break overlaps with 30°C heat and 145mm-rainfall March storms at the tail end. Locals flee to the coast but international arrivals peak — book Palermo and Recoleta rooms 2+ months out.
Free headline events draw international dancers; boutique hotels in San Telmo and Almagro fill first. Cold 7–15°C snaps are common — the upside is the city's driest month (~42mm).
Plaza de Mayo hosts military parades and free concerts; museums and government buildings run special openings. Cool, damp 10–18°C weather — short queues but some shops close.
Official Resources
Government portals and tourism boards for Buenos Aires, Argentina