The temperature in the shade here in the Napa Valley is 38⁰C (101⁰F)

But the radiant heat from our driveway is an astounding 67⁰C (152⁰F)

That's the temperature for a medium-well done steak!

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Discussion

Are you measuring the ambient air temperature or the surface temperature of a black tarred road in midday heat ?

Apples and oranges methinks .