Pls help- worried mommy

Pavi

My daughter is exactly 8 months old , here where we live it's summer now. Temperature is anywhere between 32°c to 40°c.. it varies.. I'm trying to keep her hydrated l.. still I find heat boils / blister here and there. I'm not sure if those are blisters. Nothing coming out of it. But it feels bumpy

Pls help.. does she need medical attention. There is few in her arms, one in her cheeks

and two in thighs