Discover Buenos Aires, where European charm meets South American passion! The weather in Buenos Aires offers a mild and humid climate, with temperatures ranging from 15°C (59°F) to 28°C (82°F) during the best time to visit, which is from March to November. Interestingly, this city receives more rainfall in summer than New York City! When visiting, don't miss a stroll along Puerto Madero waterfront at sunset, capturing the essence of Buenos Aires' unique weather and vibrant energy.
Today's Forecast
5-Day Forecast
Buenos Aires Climate & Weather Averages
Across the year, Buenos Aires swings between average daytime highs of 28°C in January and 14°C in July. Rain peaks in March, while June is typically the driest month. Every figure below comes from daily weather records for 2015–2024 — not long-range estimates.
The weather in Buenos Aires moves in moderate steps rather than leaps. Between the 28°C warmth of January and the 14°C chill of July lie long, mild shoulder seasons that many consider the best time to be here. Showers can turn up in any month — March most of all — so a light rain layer earns its place year-round.
| Month | Avg High | Avg Low | Rainfall | Sunshine (h/day) | Wind (km/h) |
|---|---|---|---|---|---|
| Jan | 28° | 21° | 81 mm | 12 | 25 |
| Feb | 28° | 20° | 76 mm | 11.4 | 23 |
| Mar | 25° | 18° | 118 mm | 10.5 | 23 |
| Apr | 22° | 15° | 108 mm | 8.5 | 23 |
| May | 17° | 11° | 73 mm | 7.6 | 21 |
| Jun | 15° | 8° | 50 mm | 7.5 | 21 |
| Jul | 14° | 8° | 73 mm | 7.5 | 22 |
| Aug | 16° | 9° | 61 mm | 8.1 | 23 |
| Sep | 18° | 11° | 68 mm | 9 | 24 |
| Oct | 21° | 13° | 83 mm | 10.1 | 25 |
| Nov | 25° | 17° | 85 mm | 11.5 | 25 |
| Dec | 27° | 19° | 84 mm | 12.4 | 24 |
Expect around 12.4 hours of sun a day at the December peak, against about 7.5 hours in June. Wind stays moderate most of the year, strongest in November with daily peaks near 25 km/h.
Best time to visit: Aim for February–December if you can: highs hover near 25°C and rain is lighter than the March peak. Light, breathable layers plus a light waterproof cover most days here.
Buenos Aires weather — frequently asked questions
How hot does Buenos Aires get in summer?
January is the hottest month, with daytime highs averaging 28°C — individual days run hotter still. Nights in January typically stay around 21°C.
What is the sunniest month in Buenos Aires?
December, with roughly 12.4 hours of sunshine a day on average over 2015–2024. The dimmest month is June, at about 7.5 hours.
When is the best time to visit Buenos Aires?
Weather-wise, February–December is the sweet spot in Buenos Aires: average daytime highs around 25°C with less rain than the March peak. Data from 2015–2024.
What is the rainiest month in Buenos Aires?
March is on average the wettest month in Buenos Aires, with about 118 mm of rainfall. The driest month is typically June, at around 50 mm.
Source: Open-Meteo ERA5 archive. Averages computed from daily records.