What to wear to Rainbow Serpent Festival: Lexton sits at 31°C (88°F) by day and 13°C (55°F) at night in January, on open field, with a low chance of rain. That means loose natural fabrics and real sun protection, broken-in boots or sturdy trainers, and a bag small enough for the gate rules. The crowd leans psy, goa and costume, so a full costume is the norm rather than the exception.
Women's outfits at Rainbow Serpent Festival have to clear the same three hurdles as everyone else's. 31°C (88°F) by day, 13°C (55°F) at night, open field underfoot, with more options for solving them.
The dominant aesthetics at Rainbow Serpent Festival are psytrance, goa, full costume and camp-practical. That is the visual language of the site, the stages, the merch, the crowd photos, and outfits that speak it look intentional rather than borrowed.
This is a costume festival, and that changes the maths: turning up in normal clothes is the conspicuous choice. Budget for one full look rather than three half-hearted ones, and make sure you can walk, dance and queue in it for eight hours.
What people actually wear: as little fabric as the venue allows, in natural fibres, with a bag small enough to forget about; the same jacket every day, because it lives in the tent and does everything.