Buenos Aires Weather in May
What's the weather like in Buenos Aires (La Libertad) in May 2026?
The climate in Buenos Aires during May can be summarized as warm and very dry.
May is in the fall / autumn in Buenos Aires and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 24°C (74°F), whilst at night 16°C (60°F) is normal.
| Daytime temperature | 23.5°C 74.3°F |
|---|---|
| Nightly temperature | 15.7°C 60.3°F |
| Average temperature | 19.6°C 67.3°F |
| Daily sunshine | 6.5 hrs |
| Avg rainfall | 1 mm 0 ins |
| Rainy days | 4 days |
| Sea temperature | 20.3°C 68.6°F |
| Humidity | 83% |
| Windspeed | 14.4kph 9 mph |
On average May is the 3rd driest month of the year in Buenos Aires with around 1mm 0 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 6.5 hours of sunshine per day.
May temperatures in Buenos Aires
May rainfall
May hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Buenos Aires in May 2025.
Other monthly averages
Buenos Aires weather stats
| Hottest month: | February | 26.3°C 79.3°F |
|---|---|---|
| Driest month: | November | 0mm 0ins |
| Sunniest month: | May | 6.5hrs |
| Coldest month: | August | 20.6°C 69.1°F |
| Wettest month: | March | 7mm 0.3ins |
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