Buenos Aires weather in January
January is one of the best months to visit Buenos Aires: highs of 28°C (82°F) and about 104 mm (4.1 in) of rain on average. Nights average 22°C (71°F) and cloud cover 45% (NASA POWER, 2001–2025 averages). It is the 4th wettest month of the year and the warmest. Compared with December, it is warmer and about as wet; February brings highs of 27°C (80°F) and 121 mm (4.8 in) of rain.
Is January a good time to visit Buenos Aires?
best month Weather score 74/100.
Yes. January is one of the best months for weather in Buenos Aires.
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Does it rain a lot in Buenos Aires in January?
Some rain is normal: about 104 mm (4.1 in) falls in an average January. It is the 4th wettest month of the year.
How warm is Buenos Aires in January?
Days average 28°C (82°F) and nights 22°C (71°F).
Buenos Aires weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 28°C (82°F) | 22°C (71°F) | 104 mm | 45% | best |
| February | 27°C (80°F) | 21°C (71°F) | 121 mm | 46% | best |
| March | 25°C (76°F) | 20°C (67°F) | 123 mm | 43% | best |
| April | 21°C (70°F) | 16°C (62°F) | 98 mm | 47% | best |
| May | 17°C (63°F) | 13°C (56°F) | 74 mm | 55% | fair |
| June | 14°C (58°F) | 10°C (50°F) | 54 mm | 57% | fair |
| July | 13°C (56°F) | 9°C (48°F) | 72 mm | 58% | least pleasant |
| August | 15°C (59°F) | 10°C (50°F) | 71 mm | 54% | fair |
| September | 17°C (63°F) | 12°C (53°F) | 83 mm | 53% | fair |
| October | 20°C (68°F) | 15°C (58°F) | 109 mm | 53% | best |
| November | 24°C (74°F) | 18°C (64°F) | 101 mm | 46% | best |
| December | 26°C (79°F) | 20°C (68°F) | 94 mm | 43% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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