Fake turf3DD1-314?Natural grass? stays cooler because:

Fake turf3DD1-314?Evapotranspiration? (water evaporating from soil/plants) cools the air.

Fake turf3DD1-314?Soil acts as a heat sink, absorbing less radiation.

Fake turf3DD1-314?Artificial grass? can get hotter because:

Fake turf3DD1-314?Synthetic fibers absorb and retain heat? (especially dark-colored turf).

Fake turf3DD1-314?No natural cooling mechanism? like live plants.

Fake turf3DD1-314?? ?Data Point:

Fake turf3DD1-314On a ?90°F (32°C) day, artificial turf can reach ?140–160°F (60–71°C)?—hot enough to burn bare feet.