Car interior temperatures endanger your kids even in the winter

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temperatures-dangerous-cars-kids-bestrideResearchers at the Dell Children’s Medical Center in Austin, Texas studied interior temperatures of cars between the hours of 8:00 am and 4:00 pm, all 12 months of the year and found that in all but two months, interior temperatures can be dangerous to children.

In the study, vehicular temperature was measured one day per month during 2012 in Austin, Texas. Data were recorded at 5-min intervals via a digital temperature sensor from 8:00 to 4:00. Selected days were primarily cloud-free (with ‘clear’ or ‘few clouds’) with a predicted ambient temperature high within ±20°F of the 30-year normal high.

According to National Weather Service guidelines, the enclosed vehicle temperature rose to ‘danger’ levels of greater than 105°F in every month except January and December.

In every month of the year, temperatures rose to “extreme caution” levels of greater than 90°F  in every month of the year, and in nine of those months, the interior reached that temperature by noon.

In the month of June, the vehicle rose to greater than 105°F  by 9:25 in the morning.

The hottest vehicular temperature achieved was 137°F .

Interestingly, interior temperatures could rise to greater than 105°F when the ambient temperature was just 68°F.

The bottom line: Kids can be vulnerable to hyperthermia — elevated body temperature — even in the cooler months.

Craig Fitzgerald

Craig Fitzgerald

Writer, editor, lousy guitar player, dad. Content Marketing and Publication Manager at