How to avoid heat exhaustion if you have to walk miles in over 100F weather.

  1. In summer 5pm is still peak heat, around 7pm the temps start dropping pretty fast, usually stays light outside until 8pm to 9pm, if it were me, I would wait for the sun to set then move at night, sunrise is around 5am in the summer so I would start making camp around 4am, look for a tree with shade and dig a roughly 1 foot down enough to fit your body, the soil at that depth won't be cold, but will be cooler, use that to sleep the day away

  2. Yup this. In the Southern US, Central and South America the smart thing was to work is during the first 4 and last 4 hours of the day.

  3. Walk slow, hydrate, stay wet and sweaty, wear tightly woven high threadcount clothing which covers your body. The high threadcount clothing covering the body is especially key. I used to work a farm in the heat, we all wore high quality dress pants and shirts. Consider how the arabs do it.

  4. So, a lot of people have given great tips about shade, hydration and clothing and they're all true. There's one I didn't see that I gotta add. The best way to learn to do something is to just do it. Heat acclamation is a skill that you learn, as well as a tolerance you build. I live in georgia and 100F days are not uncommon, and they're all humid as balls. By the end of summer, I can handle it a lot better than the beginning.

  5. I work in a factory that uses alot of steam, so it can be 100° and 100% humidity even in the winter. Sometimes it gets 125°+ in there in the summer and so humid you can literally wring sweat out of your jeans from just walking around the plant. As soon as you step outside of work, even when its 100° outside it almost feels like you stepped into A/C. I call it my tempering.

  6. People who go from air-conditioned house, to air-conditioned car, to air-conditioned office and back their whole lives probably don't realize that they can adapt to the heat pretty easily if they just bear with it for a while.

  7. I agree with this…work to acclimate. This is my second summer in Texas, it’s way hotter than last year, but I’m used to it now because I’m outside all the time. I still hate Texas, though.

  8. This is the hard truth. I almost died when I had to live in Texas from a Northern state in summer. I kept up with running and it was a tremendous difference between me and others how much we acclimated.

  9. I've worked outside in desert conditions for five years now. The first few 90+ degree days are unpleasant. But after I adjust, it just means I'm carrying more water when I have to hike around.

  10. Walk at night or in shade if possible, don't eat unless absolutely necessary. Also, it's less exerting to walk very slowly, this is how you hike at elevation when your body is close to it's limits. 12" steps and frequent breaks, keeping your heart rate as low as possible will limit how much water and energy you burn through. If you walk at 3 mph and have to take a 5 minute break every 2 minutes you'll be better off just moving slowly and consistently for 15 minutes.

  11. Beyond shade or nightfall, if it must be done at 100F, #1 get/stay hydrated (at some point you will need electrolytes too), #2 use evaporation (towel or something kept damp on head, neck, torso), and to not succumb to heat exhaustion maybe add some instant cold packs to your neck or armpits, groin area if you sit or lay down.

  12. Just here to agree with the others. Peak ambient temperature hits around 4-6pm in summer depending on cloud cover. So ideally you get most of your walking and work done by high-noon. Sun starts tickling the sky at 3-4am, sunrise is about 5am. So you start walking at or before sunrise and you have a solid 8 hours before temperatures are maxing out. You can squeak in a couple hours past noon if really necessary, and if you're well hydrated and fed, and dressed appropriately. But that's basically your day. If you want to move a bit further come dusk, go for it, but it won't be nearly as cool as dawn.

  13. Used to walk miles in high heat and high humidity, loose clothing, a wide brimmed hat, and complete hydration before, during, and after your walk. Take breaks in the shade when you can, and try to walk in the cooler parts of the day (morning and after sundown,twilight). Rule of thumb, if you are not urinating on the regular, you are dehydrated.

  14. One folk-remedy we used to always do when baling hay in the summer heat was to add about a tablespoon of Apple Cider Vinegar to our water jug. It was probably about half a gallon.

  15. Probably helped with electrolytes, the Romans used to drink a combination of red wine vinegar, water, and salt called posca which I tried once, tastes terrible but when your working in the heat you actually crave it. Tasting history has a good video on it

  16. Desert Dweller and experienced desert hiker here. Your first problem is youre trying to walk 30 miles during the day in 100 degree weather. Set the right expectation. In the heat, youll only be able to exert yourself at 30%-50% of what you can do in cooler weather.

  17. As a desert hiker, I wear long sleeve dry fits, wide brim hat, and shorts or loose fitting light weight pants. Lots of water and electrolytes

  18. Many years ago I walked down the same road as an old man from Yemen. I observed that he would cross the road to walk in almost any stretch of shade from the trees on the sides of the road. Even though it makes the path longer, on hot days keeping out of direct sunlight is critical.

  19. Don't walk during the day. There is a reason why people rested in shade in the deserts. Plenty of fluids obviously.

  20. Consider a bicycle too, if terrain permits. Ebikes can also be amazing in hilly terrain, but keep in mind that electronics are fragile and unreliable. Many ebikes aren’t geared as well as their non ebike counterparts, though some higher end bikes are. If you consider an ebike, I recommend turning off the electronics and making sure it performs adequately without them.

  21. If walking in a city/town you can steal grocery cart And use it like the kids do, 1 foot on the cart and the other pushing, kinda like a skateboard.

  22. One that is important I think that no one has mentioned. Especially important when youre in this situation on accident and not accustomed to it as in walking for work or something, is measured breathing. Slow controlled exhale. When were in a shit situation, were going to be anxious and while a small amount of anxiety will motivate you. The excess will have you having a panic attack and stressing your system faster. Trying to catch your breath in 100f humid weather isnt not fun.

  23. Well at 100F ambient temperature you are above the temperature of the human body and the clock is ticking either way. Walk at night, early morning, or late evening.

  24. I do a lot of hiking in south florida, and this is what I have learned. I wear lightweight billowy clothes that provide UV protection, and cover all of my skin. I wear lightweight hiking gloves. I also wear sunscreen on my face, and I load up on three types of mosquito repellant (DEET/Picaridin on skin, and Permethrin on clothing) and even then I still get bit occasionally. If mosquitos are super bad, I will wear a bug net on my head and wear some mosquito resistant clothing. I love my Columbia hat, it is the Coolhead II model. I just wish the brim was slightly more stiff. I carry twice as much water as I think I will need in a camelpack as well as a few spare water bottles. Also have some cliff bars or other salty snacks you can munch on. I will have a water bottle full of a sports drink, for when it is lunch time to load back up on salts and sugars. Footwear, it depends where I go and the season. If it is dry season I will wear a lightweight breathable hiking boot, if it is flood season then I will wear some crocs with some super lightweight socks on, and probably shorts since I will be wading through 3-8inches of water for a majority of the hike. Sunscreen on legs if that is the case. I always try to start early as soon as sun breaks, and finish by 12/1pm. I never go out hiking past then it is just too hot.

  25. You don't walk when its that hot...or you will collapse. It's now daily "feels like" in the triple digits where I am. I'm outside until 10-11am guzzling water, inside until 430-5pm and back outside until dark to get things done. I've pushed it and paid for it. Find a tree and rest.

  26. Always stay hydrated. Don’t start drinking fluids and electrolytes day of as then you’ll be playing catch up. I make sure to drink plenty of water the days prior to a lengthy summer hike. Best advice when not expecting to, stay ready, drink water daily and often.

  27. Don't drink ice water if you're already dehydrated, it takes longer for the body to absorb. Drink room temp water to get it into your system faster.

  28. Acclimate to the heat when it starts getting warm. Use your AC in your home and car as little as possible. Instead of keeping it at 72F, keep it at 80 or even 84.

  29. Lots of great insights, but I have experienced heat stress on many occasions: some on purpose to test my limits; some because I am a male (moron).

  30. I walked 3 miles day before yesterday in 105F while sick with Covid and probably a mild fever to get a "professional" test done that my work wanted emailed to them. I did get sunburned but other than that I was OK. I just stopped a couple times for cold drinks. Also not young anymore, I'm 45.

  31. Wear a boonie hat. Also wear sunscreen and bright clothing to reflect sunlight. Carry around 1 L of water with you for refreshment.

  32. Out and about in the morning. Hottest part of the day is around 1-3, sometimes 12-4, avoid going out at that time. If your inside and there’s a breeze open as many windows as you can on that side of the house to make a sorta wind tunnel. Close doors to other rooms to limit unneeded air flows. Lots of water. A good hat with a visor. Thin, light, breathable clothes, long sleeves. Hydrate. Don’t forgot your electrolytes.

  33. I work outside a lot. Mainly you just keep the water coming. Swap in some Gatorade off and on. That's what Gatorade was actually made for was exertion in heat. It has salt and sugar. When you start to feel drained from exertion, sugar is amazing and exactly what you need. But that's for energy not for hydration. Water mainly. Gatorade off and on.

  34. Water. Water. Water. Probably want to mix in things like liquid iv that have other things you need you body is sweating out. Protect your skin from sun exposure, light breathable layers. And don’t forget to eat, I know when it’s real hot my appetite goes way down.

  35. Fitness and lots of water, my wife and I hike all summer in texas heat and it’s rough. Fitness + water

  36. You wait untill it gets cooler and you can still see. Walk in the mornings and evenings and rest or seek shade during mid day.

  37. Stay out the sun during the hottest parts of the day whenever possible. Do any extraneous work you need to before noon or after 4-5pm.

  38. A lot of people have mentioned brimmed hats. And they're great, don't get me wrong. But I've taken to using a shemagh when working in hot and sunny conditions over the past few years, and I highly recommend giving those a look.

  39. Look at the people who WORK in 100 degree weather all the time. They wear a hat and wear long sleeve shirts and long pants. Not letting the sun hit your skin makes a big difference.

  40. I work in 100+ all the time high desert after anout 3 week you adapt... same in jungles equator you adapt artic cold ect time take it easy and be smart water food and breaks until you can do more and more!

  41. Hydrate or die, magnesium and sodium so wonders, light loose clothing hat is a must, one foot in front of the other if you "must" walk during the heat.

  42. I live at the lake, today the heat index last I looked was 107. If you possibly can, acclimate yourself. I keep the thermostat at 78 to 80. I spend a lot of time outside. Use water to apply wet cloths to your face and head, sweat doesn't matter just add some water to the cloth. Wear as little as possible with the exception of a wide brimmed top breathable hat. Use sunscreen if there is no shade obviously. Walk a little slower, look for the easy paths, look for the shade.

  43. Walk at night. If that’s not possible then walk at a slow pace in the day. It is extremely important that you have plenty of water. Wear a hat for shade. Drench a towel or piece of cloth in water and wrap it around your neck. If you have sunscreen then use it. If you don’t, I’d recommend wearing a light, long sleeve shirt. You’ll be a little hotter but that’s better than feeling the heat burn your skin. Loose clothing will protect you from burns and will keep you cooler than tight clothing. Also make sure your clothing is bright. Dark colors will absorb more heat.

  44. Be sexy, boobtube, hotpants and bingo! A piggyback all the way to an abandoned shack in the middle of nowhere! EDIT caution! fun may not ensue!

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