Buenos Aires weather in May
Buenos Aires in May averages 15°C (60°F), 85 mm of rain and 5.6 hours of sun a day.
Of the twelve months in Buenos Aires, May is the fifth coldest, the fifth driest and the third dullest.
- Average temp
- 15°C (60°F)
12–19°C · 53–66°F
- Rainfall
- 85 mm
Showers likely
- Sunshine
- 5.6 h
hours per day
What is Buenos Aires like in May?
Daytime
Days are mild.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Buenos Aires in May?
A light rain jacket
About 85 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 12°C (53°F).
May compared with April and June
May in Buenos Aires is 3.1°C cooler than April and 36 mm drier than it, which averages 18°C (65°F).
May in Buenos Aires is 2.9°C warmer than June and 32 mm wetter than it, which averages 12°C (54°F).
Daylight in Buenos Aires in May
On 15 May the sun is up for 10 hours 18 minutes in Buenos Aires, rising about 07:40 and setting about 17:58 local time.
May ends 42 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 4 hours 10 minutes short of December, the longest-lit month here.
Where to stay in Buenos Aires
Dates are a starting point for May.
Travel guides for Buenos Aires
What to read before you book.
Buenos Aires weather by month
TemperatureRainfall
How May compares with the rest of the year
May is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 25°C / 76°F | 135 mm |
| February | 23°C / 74°F | 94 mm |
| March | 22°C / 72°F | 123 mm |
| April | 18°C / 65°F | 122 mm |
| May | 15°C / 60°F | 85 mm |
| June | 12°C / 54°F | 54 mm |
| July | 11°C / 53°F | 50 mm |
| August | 13°C / 56°F | 52 mm |
| September | 15°C / 58°F | 58 mm |
| October | 18°C / 64°F | 98 mm |
| November | 21°C / 69°F | 87 mm |
| December | 23°C / 74°F | 107 mm |
Check another month
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FAQs about Buenos Aires in May
May climate averages for Buenos Aires, 1991–2020.
Buenos Aires averages 15°C (60°F) in May, ranging from about 12°C (53°F) at night to 19°C (66°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 85 mm falls across May, enough to need a light jacket but not enough to reshape a trip.
Yes. May averages 15°C (60°F) against 12°C (54°F) in June — 2.9°C warmer.
May is 3.1°C cooler than April, and 36 mm drier.
It is outside the easiest window. The most comfortable stretch here is February to April; May sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 5.6 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what May is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 10 hours 18 minutes of daylight in mid-May, against 14 hours 28 minutes in December and 9 hours 51 minutes in June.
On 15 May, sunrise is about 07:40 and sunset about 17:58 local time. Both shift across the month — the month ends 42 minutes shorter than it starts.
