May weather forecast and climate
Buenos Aires, Argentina

• Average high temperature in May: 19.3°C

The warmest month (with the highest average high temperature) is January (30.4°C).
The month with the lowest average high temperature is July (16°C).

• Average low temperature in May: 10.5°C

The month with the highest average low temperature is January (20.2°C).
The coldest month (with the lowest average low temperature) is July (7.7°C).

• Average humidity in May: 78%

Months with the highest relative humidity are June and July (79%).
The month with the lowest relative humidity is December (64%).

• Average rainfall in May: 72.3mm

The wettest month (with the highest rainfall) is March (172.3mm).
The driest month (with the lowest rainfall) is June (54.8mm).

• Average rainfall days in May: 6.6 days

The month with the highest number of rainy days is March (10 days).
The month with the lowest number of rainy days is May (6.6 days).

• Average sea temperature in May: 16.1°C

The best month for swimming (with the highest average sea temperature) is January (25°C).
The coldest month (with the lowest average sea temperature) is July (11.9°C).

• Average daylight in May: 10.3h

The month with the longest days is December (Average daylight: 14.4h).
The month with shortest days is June (Average daylight: 9.9h).

• Average sunshine in May: 5.4h

The month with most sunshine is January (Average sunshine: 8.9h).
Months with least sunshine are June and July (Average sunshine: 4.8).

• Average UV index in May: 3

Months with the highest UV index are January and December (UV index 12).
Months with the lowest UV index are June and July (UV index 2).