Buenos Aires Sunshine Hours by Month

In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in Buenos Aires, Bariloche and the Lake District, Argentina. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

If you're visiting Buenos Aires, timing is key. In January, you can enjoy up to 285 hours of sunshine, while the shorter days of June provide just 132 hours. The total annual amount of sun is 2526 hours.

Daily hours of sunshine

For those who appreciate different seasons, Buenos Aires serves as an ideal destination. Expect longer, more sun-filled days in January with an average of 9.5 hours of sunshine daily, and embrace the darker days in June, offering only 4.4 hours of daily sunlight.

Buenos Aires enjoys an average of 2526 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

In Seoul, South Korea, there are approximately 2133 hours of sunshine per year, mostly during spring and autumn.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

October, Buenos Aires’s wettest month, receives 90 mm (3.5 in) of rainfall and has a maximum daytime temperature of 23°C (73°F). During the driest month July you can expect a temperature of 16°C (61°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Buenos Aires Precipitation page.