Suppose it's raining (abundantly) and/or the victim is very lightly dressed

Hypothermia usually occurs at very low temperatures, but it also depend on many other parameters than temperature, and as we know, heat is lost 25 times more rapidly when in contact with water than with air, and I heard that when a person is immerged in a 0° cold water, death occurs within only 15 minutes ...

So what I wanted to know if there is a risk for a person to suffer from a severe and eventually fatal hypothermia in such conditions (10 °C ambient, rainy, very lightly dressed)

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    Hypothermia is so severe, that even at 18 degrees (Celsius), paramedics are advised to cover patients in rescue blankets. – Narusan Dec 23 '18 at 9:58
  • What has your research found so far? Hypothermia charts describing the time vs. temperature relationship are easily found with a simple web search. – Carey Gregory Dec 23 '18 at 16:10
  • My research ? Well repetitive stuff about BODY temperature, first aid stuff, etc., almost nothing about AMBIENT temperature, that of the surroundings, of the air, of the environment ... I am not sure if the term "ambient" is appropriate or clear enough, apparently not judging from the first comment, I edited the post hoping to make it clearer – Jayjay33 Dec 23 '18 at 18:13
  • Time vs temperature relationship that would be the kind of things I am looking for, I found no such thing in my researches, maybe it is because we do not use the same language and search engine. – Jayjay33 Dec 23 '18 at 18:37
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    Your research problem seems to be that most hypothermia charts were developed for cold water immersion situations, probably because that's easier to study. Out of water there are far more variables to consider such as wind, sunlight, clothing, rain/snow, etc. I found an easy yes/no answer to your question, but It doesn't make much of an answer. So I'm going to upvote this and hope someone can find better info. – Carey Gregory Dec 23 '18 at 20:31

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