What to pack for Buenos Aires in May
- long sleeves and a warm layer
- a medium jacket
Humidity averages 78%; max daily wind around 22 km/h.
How May compares
Best months in Buenos Aires: February–May & September–December. See the full best time to visit Buenos Aires guide.
Buenos Aires in May: the details
In May, Buenos Aires sees average daytime highs of 17°C (63°F) and overnight lows of 10°C (51°F). Rainfall totals roughly 54 mm across 4.8 rainy days, and the sun shines about 8 hours per day with 10.2 hours of daylight mid-month. Relative humidity averages 78%.
In context: May is the 9th-warmest month and the 11th-wettest in Buenos Aires. The sunniest month is December (12.4 h/day).
| Metric | May average |
|---|---|
| Daytime high | 17°C / 63°F |
| Overnight low | 10°C / 51°F |
| Rainfall | 54 mm over 4.8 rainy days |
| Sunshine | 8 h/day (10.2 h daylight) |
| Humidity | 78% |
| Travel score | 9.7 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Buenos Aires, Argentina (-34.61, -58.38) — see our methodology. Actual conditions vary year to year.
Not set on Buenos Aires? Browse the best places to visit in May ranked by travel score.
Frequently asked questions
How hot is Buenos Aires in May?
Daytime highs in Buenos Aires in May average 17°C (63°F); nights drop to about 10°C.
Does it rain in Buenos Aires in May?
Expect around 4.8 rainy days and 54 mm of rainfall in May.
Is May a good time to visit Buenos Aires?
May is one of the best months to visit Buenos Aires. Overall travel score: 9.7/10. The best months are February–May & September–December.
Also good in May, near Buenos Aires
Where should you go next month?
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