Buenos Aires · May
Run in the morning.
Cool month: average high 63°F, low 53°F. Humidity averages 80% — the limiting factor on most runs. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
63° / 53°F
Humidity
80%
Rain days
9/mo
Wind
13 mph
What May feels like in Buenos Aires
Sunrise
07:41
Mid-month average
Sunset
17:59
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Buenos Aires in May
The kit for May in Buenos Aires: shorts and a short-sleeve are the standard kit.
May vs the surrounding months
vs April
-7° avg high
-2 rain days
Buenos Aires in April →
May
63°F avg high
9 rain days
Best: morning
vs June
+5° avg high
0 rain days
Buenos Aires in June →
Frequently Asked Questions
What is the best time of day to run in Buenos Aires in May?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Buenos Aires in May?+
Average high 63°F, average low 53°F.
How does May compare to surrounding months in Buenos Aires?+
Compared to April (avg high 71°F), May is cooler. Compared to June (avg high 58°F), May is warmer.
Does it rain often in Buenos Aires in May?+
Expect about 9 measurable rain days in May, on average.