Buenos Aires January weather
Buenos Aires, Argentina · January
Humidity, shade, and A/C contrast shape comfort
January is midsummer: hot and often humid. Walking-heavy days can feel draining if shade is limited.
Rain tends to arrive as short, intense storms later in the day. Group plans by neighborhoods and keep an indoor anchor (cafés/museums) to ride out storm windows.
January averages at a glance
Average low
around 20–22°C
Average high
around 30–32°C
Average precipitation
around 90–140 mm
Precip days
about 7–12 days
What to wear in January in Buenos Aires
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Breathable/quick-dry clothing.
- • Sunscreen/sunglasses (recommended).
- • Compact umbrella (recommended).
- • Thin layer for A/C (recommended).
- • Shoes with grip.
Travel tips for visiting Buenos Aires in January
- • Keep afternoons flexible and pivot indoors during storms.
- • Hydration/electrolytes help on sticky days.
- • After rain, sidewalks can be slick—move carefully.
January weather in Buenos Aires — FAQ
Q. Does it rain every day in January?
A. Not every day, but storm chances are real—often short and intense rather than constant.
Q. Are nights hot?
A. Often warm, but post-storm breeze can cool the feel.
Explore Buenos Aires
These pages are connected so you can compare conditions and decide for yourself.