Buenos Aires in May
In May, Buenos Aires averages 19°C (66°F) during the day and 11°C (52°F) at night, with around 6 days of rain (85 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Occasional showers are likely but won't dominate.
May is a great month to visit Buenos Aires: pleasant temperatures and relatively few wet days.
How May compares to the rest of the year in Buenos Aires
May is in the middle of the year for warmth in Buenos Aires (8th of 12) and one of the driest months (10th of 12). Daytime temperature runs 4°C below the annual average (23°C). May runs 3°C cooler than April (22°C) and cools 4°C in June (15°C).
May sunrise & sunset in Buenos Aires
Times shown for Buenos Aires local time (America/Argentina/Buenos_Aires), calculated for the 15th of May. They shift by a few minutes day to day across the month.
Photography light in Buenos Aires — May
Golden-hour and blue-hour windows for the 15th of May, in Buenos Aires's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Buenos Aires in May
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on May's tier (High season) and Buenos Aires's popularity.
Crowds & pricing — May in Buenos Aires
This is a busy month in Buenos Aires — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — May in Buenos Aires
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Buenos Aires in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 30°C / 86°F | 20°C / 68°F | 130 mm | 8 | — |
| February | 29°C / 84°F | 20°C / 68°F | 125 mm | 7 | — |
| March | 27°C / 81°F | 18°C / 64°F | 150 mm | 7 | — |
| April | 22°C / 72°F | 15°C / 59°F | 110 mm | 7 | — |
| May | 19°C / 66°F | 11°C / 52°F | 85 mm | 6 | — |
| June | 15°C / 59°F | 8°C / 46°F | 65 mm | 6 | — |
| July | 15°C / 59°F | 7°C / 45°F | 65 mm | 7 | — |
| August | 17°C / 63°F | 9°C / 48°F | 75 mm | 6 | — |
| September | 19°C / 66°F | 11°C / 52°F | 85 mm | 7 | — |
| October | 22°C / 72°F | 14°C / 57°F | 125 mm | 8 | — |
| November | 26°C / 79°F | 17°C / 63°F | 125 mm | 8 | — |
| December | 29°C / 84°F | 19°C / 66°F | 130 mm | 8 | — |
Other cities with similar May weather
🌍 See the full ranked list of climate twins for Buenos Aires in May →
Frequently asked questions
How hot is Buenos Aires in May?
In May, Buenos Aires averages a high of 19°C (66°F) and a low of 11°C (52°F) — generally mild and pleasant.
Does it rain a lot in Buenos Aires in May?
May sees occasional rain in Buenos Aires, with about 6 rainy days on average.
Is May a good time to visit Buenos Aires?
May is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Buenos Aires in May?
Pack light layers for warm days and cooler evenings. See the full May packing list for Buenos Aires for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.