Tours to Australia in March are centered around sightseeing vacations. Fall is coming. In Darwin in March, it's around +31°C, in Adelaide it's +25°C. In Sydney, the rainy season begins. The average temperature drops to +25°C during the day and around +18°C at night. The water temperature is +22°C. The number of sunny days is 17. In Melbourne, the water in the sea is the warmest, its temperature is +20°C. During the day, it's around +22°C and at night it drops to +14°C. There are only 3 rainy days in a month. In Broome it is the rainy season. It's the best time to visit the Red Center, though. Tasmania is cooler, up to +20°C, and rainfall is possible. But in general, the weather in Australia is warm. The best places to vacation at this time would be Alice Springs and Melbourne.