Should you go to work during a heat wave? Your productivity suffers, and GDP tanks when it’s hot

Fortune•Tue, Jun 30, 2026, 06:00 AM•2 min read

Productivity peaks at around 22°C (72°F) and falls roughly 2% per degree above 25°C, reaching 8. 9% below peak at 30°C.

Source: [Fortune](https://fortune.com/2026/06/30/too-hot-work-productivity-decline-gdp-tank/)

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