Major Heatwave is to hit Sydney Australia and Temperature will be over 40 Degrees Celsius with Humidex and it will be very humid and hot and people will have a hard time to sleep during the night time without the air conditioner and the Temperature will be over 20 Degrees Celsius during the Night Time down in Sydney Australia and People in Sydney Australia Be Prepared have your Air Conditioner on and Limit your Outdoor Activities and have Head down to the Beach to Go Swimming and drink lots of water with ice cubes and Stay Indoors and go in the Swimming pool and stay in the water to get cooled off and Wear your Sunscreen and Don't Walk too Far during the Major Heatwave and High Humidity and Temperatures will be Very High too.