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Buenos Aires in January
The weather in January
In January, Buenos Aires averages daytime highs of 27° and night-time lows of 21° — warm weather by day. Expect around 129 mm of precipitation spread over about 8 wet days, with average cloud cover near 26%.
Days are 1.5° warmer than in December on average, and February is cooler again by about 1°. The sea averages 25°, comfortably warm for swimming.
January scores 75/100 — good conditions for sightseeing — and ranks 9th of the twelve months for Buenos Aires. For the most comfortable weather, consider April, October and December instead.
Around the middle of the month the sun rises at 05:57 and sets at 20:10 local time, giving 14 h 13 min of daylight. Days shorten by 38 minutes over the month.
Why 75/100?
How the score for January is builtBeach score this month: 86/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Around Buenos Aires this month
Argentina's best in January
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Buenos Aires in January: quick answers
Is January a good time to visit Buenos Aires?
January scores 75/100 for Buenos Aires, which we rate as good. Average highs are 27°C with 8 wet days.
How warm is Buenos Aires in January?
Daytime highs average 27°C and night-time lows 21°C in January.
Does it rain a lot in Buenos Aires in January?
Buenos Aires receives about 129 mm of precipitation in January, falling on around 8 days.
Can you swim in Buenos Aires in January?
The sea averages 25°C in January, warm enough for most swimmers.