Australia's seasons are the reverse of those in the Northern Hemisphere. It is summer from December to February in Sydney. Autumn is from March to May; winter is from June to August; and spring is from September to November.
Sydney boasts 342 days of sunshine each year, and an average rainfall of 1,200mm per year. The wettest months are from April to June. The average summer temperature is 22°C while winter temperatures average 13°C. The city's highest known temperature of 45.3°C was recorded in January 1931.
During summer, most locals can be seen wearing beach gear. Ultra-violet rays are especially strong in Australia and you are advised to keep your arms and legs covered and to use a broad hat and sunglasses. A word of caution: The sun is at its hottest between 12 noon and 3 p.m. Ross River fever occasional breaks during summer, and travelers are advised to use mosquito repellents if staying out.
In winter, temperatures can range from 0°C to 15°C. Visitors are advised to pack warm clothing. Though the weather is pleasant during that time of the year, the winter breeze can be extremely cold and chances of picking up respiratory illnesses are high.
