not really la flame,from the way i see it if u r moving fast the intake temp would be lowered down,bcoz u r circulatting the hot air out of the engine bay,even during hot day...u r not sitting duck waiting the air to go into the intake,what counts is when u r moving fast or slow,even if it's hot during the day,if u r staying put then u can say the intake temp might be same or even hotter than environment temp if the engine is running,but if u r moving even at 20km/h the intake temp can be cooler...even at night,if u drive n open the window n stuck ur head out a little,surely the air that hits ur face when driving is a lot colder than the air when u r sitting put/stop in 1 place...same concept apply to intake charges la kot...correct me if im wrong...