In the United States, domestic United Airlines flights typically operate from one of the airlineâs eight American hubs. The largest hubs are at Chicagoâs OâHare International Airport (ORD), which also serves as the companyâs headquarters, and Houstonâs Bush Intercontinental Airport (IAH).
Best time to visit Broken Hill. The best time to visit Broken Hill will be when the average temperatures are at a comfortable level (between 20Â°C / 68.0Â°F and 30Â°C / 86.0Â°F on average) which is during months January, February, March, November and December.n the other hand, the coldest time of year in Broken Hill is in July when it is 10.2Â°C / 50.4Â°F on average, but could get down to 5.3Â°C / 50.4Â°F minimum. 1  Freezing months: 0 (0Â°C / 32.0Â°F and below).
Perth has recorded the hottest temperature of any capital, with a scorching 46.2Â°C, closely followed by Melbourne's top of 45.6Â°C and Sydney's 45.3Â°C. In stark contrast, temperatures in Canberra have fallen to as low as -10.0Â°C, with temperatures of 0Â°C occurring on an average of 64 nights every year.Melbourne (-2.8Â°C), Hobart (-2.8Â°C), Adelaide (-0.4Â°C) and Perth (0.0 C) are the only other Australian capitals to have recorded a temperature of 0Â°C or below.arwin's year round average temperature range is 23Â°C at night and 32Â°C during the day. What may be surprising is that Darwin's highest maximum of 38.9Â°C is lower than all other capital cities top temperatures. Even normally mild Hobart has hit over 40Â°C.