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Prevent Heat Illness When Walking in Hot Weather

By Wendy Bumgardner, About.com

Updated May 08, 2003

About.com Health's Disease and Condition content is reviewed by our Medical Review Board

How to exercise in hot weather without suffering heat sickness or heat illness.
Difficulty: Average
Time Required: 5 minutes
Here's How:
  1. Drink 16 oz. of water an hour before your walk.
  2. Schedule your walking time to the coolest portions of the day so you miss the hot weather.
  3. Avoid direct sunlight, find the shadiest walking route to stay out of the heat.
  4. Wear sunblock, applying it 30 minutes before your walk.
  5. Wear loose, high-tech, cooling fabrics (such as CoolMax) of skin-covering opaque clothing.
  6. Wear a hat to shade the top of the head.
  7. Put some ice into your water bottle along with the water.
  8. Do shorter workouts on the hottest days, save your long workouts for more moderate heat.
  9. Reduce your speed, slow down
  10. Drink 200 ml (8 oz or one cup) of water every 15 minutes while walking.
  11. If walking more than an hour and sweating profusely, use a sports drink to replenish salts.
  12. Put a little ice under your hat or into your sports bra if you have the chance during your walk.
  13. If you become dizzy, nauseated, have dry skin or the chills, STOP and try to get a drink.
  14. If you do not feel better, get medical help immediately.
  15. Drink 16-32 oz. of water after your walk to keep well-hydrated for the next walk.
Tips:
  1. Your heart rate will go up naturally 1 bpm per degree above 77F, so while you may not be going faster, your body is working harder.
  2. Acclimate yourself to heat/humidity over 7-14 days.
  3. If you have heart or respiratory problems or have had heat stroke previously, ask your health care provider about walking in the heat.
What You Need:
  • Hat
  • Sunblock
  • Wicking clothing
  • Water
  • Electrolyte sports drink
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