Capital city, Argentina
Buenos Aires weather by month and the best time to visit
When to go to Buenos Aires
Mar–May and Oct–Nov are mild and dry. Dec–Feb is hot and humid, with many locals away in January. Jun–Aug is cool and damp, not freezing.
Buenos Aires weather by month
Average daily high, rainfall and conditions.
- Jan28°104 mm
- Feb27°121 mm
- Mar24°123 mm
- Apr21°98 mm
- May17°74 mm
- Jun14°54 mm
- Jul13°72 mm
- Aug15°71 mm
- Sep17°83 mm
- Oct20°109 mm
- Nov24°100 mm
- Dec26°94 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 28°C82°F | 22°C71°F | 104 mm | 68% | Pleasant |
| February | 27°C80°F | 21°C70°F | 121 mm | 72% | Pleasant |
| March | 24°C76°F | 19°C67°F | 123 mm | 74% | Pleasant |
| April | 21°C70°F | 16°C61°F | 98 mm | 75% | Pleasant |
| May | 17°C63°F | 13°C55°F | 74 mm | 80% | Cool |
| June | 14°C58°F | 10°C50°F | 54 mm | 81% | Cool |
| July | 13°C56°F | 9°C48°F | 72 mm | 81% | Cool |
| August | 15°C59°F | 10°C50°F | 71 mm | 80% | Cool |
| September | 17°C62°F | 12°C53°F | 83 mm | 78% | Cool |
| October | 20°C68°F | 14°C58°F | 109 mm | 76% | Pleasant |
| November | 24°C74°F | 17°C63°F | 100 mm | 71% | Pleasant |
| December | 26°C79°F | 20°C68°F | 94 mm | 68% | Pleasant |
Best months across Argentina
| Place | Best months | Warmest month |
|---|---|---|
| Buenos Aires | Mar–May, Oct–Nov | Jan (28°C) |
| Mendoza | Mar–May, Oct–Nov | Jan (33°C) |
| Bariloche | Jul–Aug, Dec–Mar | Feb (22°C) |
| El Calafate | Nov–Mar | Feb (15°C) |
| El Chaltén | Dec–Mar | Feb (11°C) |
| Ushuaia | Dec–Mar | Feb (12°C) |
| Salta | Apr–May, Sep–Oct | Nov (32°C) |
| Puerto Iguazú | Apr–Jun, Sep–Oct | Jan (32°C) |
| Córdoba | Mar–May, Sep–Nov | Jan (32°C) |
| Puerto Madryn | Sep–Nov | Jan (27°C) |
| Mar del Plata | Dec–Mar | Jan (24°C) |
| Quebrada de Humahuaca | Apr–May, Sep–Oct | Nov (28°C) |
| Cafayate | Mar–May, Sep–Oct | Nov (30°C) |
| Rosario | Mar–May, Oct–Nov | Jan (33°C) |
Quick answers
What is the best month to visit Buenos Aires?
Mar–May, Oct–Nov. Mar–May and Oct–Nov are mild and dry. Dec–Feb is hot and humid, with many locals away in January. Jun–Aug is cool and damp, not freezing.
When is the rainy season in Buenos Aires?
Rain peaks in March with about 123 mm. No month averages 150 mm or more.
What is the hottest month in Buenos Aires?
January, with average highs of 28°C (82°F).
How cold does Buenos Aires get?
The coolest nights are in July, averaging 9°C (48°F).
More about Buenos Aires
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Sources
- NASA POWER climatology (2001–2020)
- Buenos Aires City Government
- Aeropuertos Argentina
- Hospital Alemán
- Hospital Italiano
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.