SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/hike-summer-hypothermia

Can a hiker get hypothermia in summer?

Yes, even on sunny days, especially when wet, windy or high up.

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  1. No, only below freezing
  2. Yes, even on sunny days ✔
  3. Only if swimming in ice water

Why: Hypothermia happens when your body loses heat faster than it makes it. Rain, sweat-soaked clothes, wind and sudden mountain storms can chill you in any season. Pack a rain layer and warm hat.

Huh, didn't know that: Rocky Mountain National Park tells summer hikers to pack a warm winter hat, gloves and extra wool socks.

The dad joke
Why did the hiker pack a winter hat in July? He wanted to keep a cool head about the weather.
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References

Answer: Yes, even on sunny days. Hypothermia happens when your body loses heat faster than it makes it. Rain, sweat-soaked clothes, wind and sudden mountain storms can chill you in any season. Pack a rain layer and warm hat.

  1. NPS Rocky Mountain: Hypothermia www.nps.gov/romo/planyourvisit/hypothermia.htm
    A person can experience hypothermia year-round, even on nice sunny days.
    Checked 2026-10-12.
  2. NPS Gauley River: Hypothermia www.nps.gov/gari/planyourvisit/hypothermia.htm
    Hypothermia can happen even in the summer, so always be prepared!
    Checked 2026-10-12.

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