From Sauna to Sahara: Where Do Humans Feel the Most Heat?

Saunas – Temperatures can reach 80–100°C (176–212°F), but the dry air and short exposure make it tolerable for many people.

Deserts (e.g., Sahara) – Daytime temps can exceed 50°C (122°F). Dry heat and direct sunlight make it one of the most intense natural environments.

Tropical Rainforests – With temps around 30–35°C (86–95°F) and humidity above 80%, the body struggles to cool down due to reduced sweat evaporation.

Urban Heat Islands – Cities trap heat with asphalt and buildings, making urban environments hotter than rural areas by several degrees.

Steam Rooms – Similar to saunas but with nearly 100% humidity, making them feel much hotter due to limited sweat evaporation.

High-Altitude Sun – In places like the Andes or Himalayas, thin air and direct sunlight can cause sunburn and heat stress even at lower temperatures.

Industrial Settings – Steel factories or kitchens can expose workers to constant radiant heat, often above safe limits without proper protection.

Hot Springs and Geysers – Natural geothermal areas can cause sudden heat exposure and even burns if not careful.

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