Best time to visit Buenos Aires
The best months to visit Buenos Aires are April, October and November, based on month-by-month temperature and rainfall data. The full year of weather, daylight, holidays, and festival timing is below.
April, October and November score best for Buenos Aires weather:
- April23° / 14°CApril is mild but wet, so keep Teatro Colón or MALBA as backups for San Telmo market days.
- October23° / 13°COctober is warmer and showery, so plan indoor art stops near MALBA when thunderstorms cross the river.
- November26° / 16°CNovember brings jacaranda color and rising humidity, with shade useful on Avenida de Mayo and Plaza de Mayo.
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By TripSapien Research · Updated May 20, 2026
Buenos Aires weather by month
| Month | High | Low | Rain (mm) | Rainy days | Daylight | Sea |
|---|---|---|---|---|---|---|
| January | 30° | 20° | 134 | 8 | 14h | 27° |
| February | 29° | 19° | 129 | 7 | 13h | 27° |
| March | 27° | 18° | 120 | 7 | 12h | 24° |
| AprilBest weather | 23° | 14° | 130 | 7 | 11h | 20° |
| May | 19° | 11° | 94 | 5 | 10h | 18° |
| June | 16° | 8° | 62 | 5 | 10h | 12° |
| July | 16° | 8° | 74 | 6 | 10h | 10° |
| August | 18° | 9° | 70 | 5 | 11h | 12° |
| September | 20° | 11° | 81 | 6 | 12h | 17° |
| OctoberBest weather | 23° | 13° | 123 | 8 | 13h | 21° |
| NovemberBest weather | 26° | 16° | 118 | 7 | 14h | 23° |
| December | 29° | 19° | 123 | 7 | 14h | 25° |
Temperatures in °C. Long-term monthly averages.
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Buenos Aires month by month
January
Buenos Aires in January: 30.1°C high, 20.2°C low, 134mm rain over 8 days, 14.1h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
February
Buenos Aires in February: 28.9°C high, 19.4°C low, 129mm rain over 7 days, 13.2h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
March
Buenos Aires in March: 27°C high, 17.7°C low, 120mm rain over 7 days, 12.3h daylight. Mild but rainy — flexible plans pay off.
AprilBest weather
Buenos Aires in April: 23.2°C high, 14.1°C low, 130mm rain over 7 days, 11.1h daylight. Mild but rainy — flexible plans pay off.
May
Buenos Aires in May: 19.4°C high, 11.1°C low, 94mm rain over 5 days, 10.2h daylight. Mild and dry — shoulder-season sweet spot.
June
Buenos Aires in June: 16.4°C high, 8.4°C low, 62mm rain over 5 days, 9.7h daylight. Mild and dry — shoulder-season sweet spot.
July
Buenos Aires in July: 15.5°C high, 7.5°C low, 74mm rain over 6 days, 9.9h daylight. Mild and dry — shoulder-season sweet spot.
August
Buenos Aires in August: 17.9°C high, 8.9°C low, 70mm rain over 5 days, 10.7h daylight. Mild and dry — shoulder-season sweet spot.
September
Buenos Aires in September: 19.7°C high, 10.6°C low, 81mm rain over 6 days, 11.8h daylight. Mild and dry — shoulder-season sweet spot.
OctoberBest weather
Buenos Aires in October: 22.6°C high, 13.4°C low, 123mm rain over 8 days, 12.9h daylight. Mild but rainy — flexible plans pay off.
NovemberBest weather
Buenos Aires in November: 26°C high, 16.1°C low, 118mm rain over 7 days, 13.8h daylight. Mild but rainy — flexible plans pay off.
December
Buenos Aires in December: 29°C high, 18.5°C low, 123mm rain over 7 days, 14.3h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
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