UK storm names 2015: Why our storms are called Barny, Frank & Nigel. by Richard Chapman - 22 October 2015 9:45am. Richard Chapman is UK editor at the Weather Network.K storm names 2015: Why our storms are called Barny, Frank & Nigel. by Richard Chapman - 22 October 2015 9:45am. Richard Chapman is UK editor at the Weather Network.
Sydney: Annual Weather Averages. January is the hottest month in Sydney with an average temperature of 23Â°C (73Â°F) and the coldest is July at 13Â°C (55Â°F) with the most daily sunshine hours at 9 in December. The wettest month is March with an average of 164mm of rain.
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).