What to Wear in 40°C (104°F) Weather

How 40°C (104°F) Feels

Extreme heat. This is dangerous territory for prolonged outdoor exposure. The air itself feels like an oven. Heat-related illness is a real risk without proper precautions.

Recommended Layers

• Ultra-light, loose-fitting white or cream clothing
• Linen is the best fabric — it breathes and wicks moisture
• Minimal layers — a single loose shirt and shorts or a light dress

Accessories

• Wide-brimmed sun hat with neck shade
• SPF 50+ sunscreen reapplied hourly
• UV-blocking sunglasses
• Insulated water bottle with ice
• Portable fan or cooling spray
• Electrolyte tablets for hydration

What to Avoid

• Any dark-coloured clothing
• Synthetic fabrics that trap heat
• Being outdoors without head covering
• Heavy footwear when lighter options exist
• Skipping water because you are not thirsty (thirst lags behind dehydration)

Best Fabrics for 40°C

Linen, cotton, and moisture-wicking synthetics keep you cool. Avoid polyester that traps heat. Loose fits allow airflow around your body.

Activity Considerations

Stay indoors during peak heat (11am-4pm). If you must be outside, stay in shade, rest often, and drink water before you feel thirsty. Watch for signs of heat stroke: dizziness, nausea, confusion. This is not weather for casual outdoor plans.

Quick Reference

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Check tomorrow's temperature for your city on Weather Tomorrow to plan your outfit.