The climate in Mendoza during May can be summarized as mild and very dry.
May is in the fall / autumn in Mendoza and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 19°C (66°F), whilst at night 6°C (43°F) is normal.
| Daytime temperature | 18.8°C 65.8°F |
|---|---|
| Nightly temperature | 5.9°C 42.5°F |
| Average temperature | 12.3°C 54.1°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 6 mm 0.3 ins |
| Rainy days | 2 days |
| Sea temperature | 15.8°C 60.5°F |
| Humidity | 65% |
| Windspeed | 5.4kph 3 mph |
On average May is the 4th driest month of the year in Mendoza with around 6mm 0.3 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
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 Mendoza in May 2025.
| Hottest month: | January | 30.7°C 87.3°F |
|---|---|---|
| Driest month: | August | 4mm 0.2ins |
| Sunniest month: | November | 10.4hrs |
| Coldest month: | July | 14.5°C 58.1°F |
| Wettest month: | January | 36mm 1.4ins |