The best time to travel to Sydney Australia and New South Wales isany time of the year. New South Wales lies in the temperate zone so generally the climate is free from extreme temperatures. Seasons are the reverse of those in the northern hemisphere - Christmas is in December (summer) while winter is between June and October.
The warmest months are December to February, with an average maximum temperature of 26C (79F). The coolest months are June to August when daytime temperatures rarely fall below 7C (45F).
From June to August it can be very cold in the Snowy Mountains alpine region with a winter maximum average of 0.1C (30F). In Outback NSW it can be very cold at night with a winter minimum average of 5C (41F). For up-to-date weather forecasts in the Blue Mountains, Hunter Valley, Byron Bay or any other region of NSW, visit the Australian Bureau of Meteorology.
Australia's telephone country code is 61. Service for all mobile (cell) phones is widespread while internet access is available at internet cafes, hotels, libraries and in wi-fi areas, sometimes free. Sydney is on Australian Eastern Standard Time which is 10 hours ahead of GMT.
If you're looking for good, reliable tourism information, stop at one of the many visitor information centres around NSW. You'll get help with road information, accommodation availability, best attractions in the local area, where to eat and much more. Just look for the yellow i sign on a blue background in major centres around the State. Accredited visitor information centres across NSW have free Wi-Fi access.