

Sydney is the largest and most populous city in Australia and the state capital of New South Wales. Sydney is located on Australia's south-east coast of the Tasman Sea. With an approximate population of 4.5 million in the Sydney metropolitan area the city is the largest in Oceania. Sydney is also the sixth largest city in the Southern Hemisphere.[5] Inhabitants of Sydney are called Sydneysiders, comprising a cosmopolitan and international population of people from numerous places around the world.
Sydney was established in 1788 at Sydney Cove by Arthur Phillip, commodore of the First Fleet as a penal colony. The city is built on hills surrounding Port Jackson which is commonly known as Sydney Harbour, where the iconic Sydney Opera House and the Harbour Bridge are featured prominently. The hinterland of the metropolitan area is surrounded by national parks, and the coastal regions feature many bays, rivers, inlets and beaches including the famous Bondi Beach. Within the city are many notable parks, including Hyde Park and the Royal Botanical Gardens.
Sydney has a temperate climate with warm summers and mild winters. Rainfall is spread throughout the year. The weather is moderated by proximity to the ocean, and more extreme temperatures are recorded in the inland western suburbs. The warmest month is January, with an average air temperature range at Observatory Hill of 18.6–25.8 °C (65–78 °F). An average of 14.6 days a year have temperatures of more than 30 °C (86.0 °F). The maximum recorded temperature was 45.3 °C (113.5 °F) on 14 January 1939 at the end of a four-day heatwave across Australia.
In winter, temperatures rarely drop below 5 °C (41 °F) in coastal areas. The coldest month is July, with an average range of 8.0–16.2 °C (46–61 °F). The lowest recorded minimum at Observatory Hill was 2.1 °C (35.8 °F).