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.
This is a great time to enjoy Sydneyâs abundant beaches when water temperatures rise to 21.9 - 23.7Â°C (71.4 - 74.7Â°F). Autumn is the mildest time of year in Sydney when the humidity drops and average temperatures fall between 14.6 - 22.2Â°C (58.3 - 72Â°F). Crisp, fresh air makes autumn the season for enjoying Sydneyâs coastal walks.