The World's Happiest And Saddest Countries. The United States is a nation in decline. Last year the land of the free and the home of the brave came in 10th place in the annual rankings of Worldâs Happiest Countries. This year the U.S.A. has slipped to 12th. This marks the first time in the six-year history of the Legatum Instituteâs Prosperity Index that America has not placed in the top 10.
Winter (June â August) Sydneyâs coolest months are June to August when average temperatures drop between 8.8 - 17Â°C (47.8 - 62.6Â°F). Sydneyâs rainfall is generally highest in June, with an average of 132 mm (5.2â), while July is the coolest month when average daytime temperatures reach just 13Â°C (55Â°F).
The climate of Sydney is subtropical, having warm, sometimes hot summers and mild winters. Rainfall is spread evenly throughout the year, though is highest between March and June. Summer highs average at around 25â31 Â°C (77â88 Â°F), and winter highs at 15â20 Â°C (59â68 Â°F).