Buenos Aires or Rio de Janeiro in February?
On climate data, Buenos Aires comes out ahead overall in February. See the per-criterion details below.
Buenos AiresPhoto: David Berkowitz from New York, NY, USA · CC BY 2.0
Rio de JaneiroPhoto: Jens Hausherr from Hamburg, Deutschland · CC BY-SA 2.0Key figures in February
| Criterion | Buenos Aires | Rio de Janeiro |
|---|---|---|
| Average daily high | 27 °C | 29 °C |
| Average daily low | 21 °C | 24 °C |
| Sea | n/a | 25 °C |
| Rainy days | 9 rainy days (est.) ★ | 16 rainy days (est.) |
| Sun | 8 h/day ★ | 7 h/day |
| Humidity | 71 % | 83 % |
Winner by travel type
Trade-offs
- Rio de Janeiro is about 2 °C warmer by day.
- Buenos Aires is drier, with about 7 fewer rainy days.
Buenos Aires or Rio de Janeiro in February: the short answer
In February, Buenos Aires comes out ahead on the overall climate score (Buenos Aires 81/100 vs Rio de Janeiro 67/100). That is a snapshot of one month, though — which one truly fits depends on what you want from the trip, so the breakdown below goes criterion by criterion.
This comparison focuses on February as a representative month for the pair; for any other month, use each destination's month-by-month pages. Across the whole year Buenos Aires averages a climate score of 76/100, Rio de Janeiro 73/100. Both profiles below are historical monthly averages, not a forecast.
Weather in February, side by side
The average daily high is about 27 °C in Buenos Aires and 29 °C in Rio de Janeiro — warmer in Rio de Janeiro. Average daily lows are around 21 °C versus 24 °C.
On rain, Buenos Aires sees about 9 rainy days in February and Rio de Janeiro about 16 — drier in Buenos Aires. Buenos Aires gets more sunshine (8 vs 7 hours a day).
Rain and sun across the year
Over a full year Buenos Aires records roughly 95 rainy days and Rio de Janeiro about 174 — the drier of the two overall is Buenos Aires. At their sunniest, Buenos Aires reaches about 9 hours of sun a day (December) and Rio de Janeiro about 7 (February). If dependable dry, sunny weather is your top priority, weigh these annual totals alongside the single month above.
Best time to visit each
Climatically, Buenos Aires is at its best in March, April, November and December, while Rio de Janeiro peaks in May, June, July and August. If your dates are fixed, pick the destination whose strong season overlaps them; if you are flexible, plan around these windows.
Which suits which kind of trip
Based on the February scores for each travel style:
City breaks: Buenos Aires scores higher in February (Buenos Aires 84 vs Rio de Janeiro 60).
Active & hiking: Buenos Aires scores higher in February (Buenos Aires 69 vs Rio de Janeiro 43).
Family: Buenos Aires scores higher in February (Buenos Aires 89 vs Rio de Janeiro 71).
Verdict: which should you pick?
In February, Buenos Aires leads across every scored category here — the overall score and each travel type — so on the climate data it is the clearer pick this month. Over the year, Buenos Aires carries the higher overall climate score. Your own priority (sun, sea, low rain or sightseeing comfort) still matters, and the month-by-month pages for each destination give you the full picture before you book.