In Australia u need to wear a hat long sleeves etc right?! Will u even get sun on your skin, a tan etc. Or always long sleeves for everything and always? Thanks for answering!
It depends on the season. Please check the local weather before traveling. Wear SPF. If you're from a milder climate, I would suggest going in April-June.
For the countryside, you'll likely pick tomatoes or other produce. It pays really well. If you're going to work in the city, you'll likely go through a temporary agency.