Everyone recommends Perth summers for outdoor activities and festivals, but budget travel guides conveniently forget to mention the 40°C+ days that make walking outside feel like opening an oven door. While summer has perfect beach weather and the city comes alive, December through February regularly hits brain-melting temperatures where the city literally shuts down from 11am-4pm.

If you're visiting for the summer vibes anyway, bring SPF 50+ minimum and a proper wide-brimmed hat — Not some flimsy cap. UV index hits 'extreme' daily, meaning you'll burn in 10 minutes. Restaurant patios close during heat waves, and outdoor activities become impossible during heat waves.

Air conditioning isn't a luxury, it's survival. Those budget places advertising 'no AC' will have you sweating through sheets at midnight. Beach activities only work before 10am or after 5pm — Midday sand will literally burn your feet through shoes.

Don't say I didn't warn you when you're hiding in shopping centers during the worst heat while locals do the same thing.