Asunción or Buenos Aires?
Asunción is warmer all year, by 6 to 10 °C. Afternoons range from 25 °C to 35 °C in Asunción and from 15 °C to 30 °C in Buenos Aires.
Side by side
| Asunción | Buenos Aires | |
|---|---|---|
| Cheapest hotel within 1 km of the centre | Asunción Not in our data | Buenos Aires €29 a night |
| Best months for sightseeing | Asunción May–July | Buenos Aires March, April and October |
| January afternoons | Asunción 35 °C | Buenos Aires 30 °C |
| July afternoons | Asunción 26 °C | Buenos Aires 15 °C |
| Wettest month | Asunción November, 380 mm | Buenos Aires February, 350 mm |
| Language | Asunción Spanish, Guaraní | Buenos Aires Spanish |
Hotel rates from Traveloka, checked 4 February 2026. Weather: averages 2006–2025 (NOAA).
The weather
Asunción is warmer all year, by 6 to 10 °C.
The warmest month is January in Asunción, at 35 °C, and January in Buenos Aires, at 30 °C; the coolest, June in Asunción (25 °C) and July in Buenos Aires (15 °C). The most rain falls in November in Asunción (380 mm) and in February in Buenos Aires (350 mm). The best months for sightseeing: May–July in Asunción, March, April and October in Buenos Aires.
| Month | Buenos Aires | Asunción |
|---|---|---|
| January | 30 °C | 35 °C |
| April | 23 °C | 31 °C |
| July | 15 °C | 26 °C |
| October | 23 °C | 32 °C |
Choose Asunción if
- you want warmer weather: September afternoons reach 30 °C, against 20 °C in Buenos Aires.
- you're travelling in June and July, when the weather is better there than in Buenos Aires.
- you want to experience a capital city largely untouched by mass tourism, where interactions feel genuine and you're more likely to be mistaken for a local than surrounded by tour groups.
- you want to enjoy some of South America's lowest prices.
Choose Buenos Aires if
- you'd rather avoid the heat: January afternoons reach 30 °C, against 35 °C in Asunción.
- you're travelling in March, April, October and November, when the weather is better there than in Asunción.
- you want to witness world-class opera at the acoustically perfect Teatro Colón, explore the thought-provoking modern art at MALBA, and get lost in the Sunday antiques frenzy of San Telmo Market.
- you want to experience the raw passion of the dance not just in staged shows, but in authentic milongas like Salon Canning or La Viruta, where locals of all ages dance the night away.
