What All Tennis Players Need To Know About Heat Exhaustion

Summer will be here before we know it, which is why it is SO important to be prepared for the heat on the courts because the threat of heat exhaustion is dangerously real. Aside from the playing conditions on the courts (hard courts) being 10 – 15 degrees hotter than the actual air temperature, any humidity will make it seem even hotter than that!

All tennis players need to check out the following chart by the U.S. National Oceanic and Atmospheric Administration, and be aware of the heat index and how unsafe conditions can be on certain days.

I always offer to play the second line in league, so my matches typically start at 10:30 am and end anywhere between 12 noon and 1 pm. At that time, the Houston summer temp is in the mid-90’s, and when you factor in a 50-ish% humidity and the additional heat rising from the court’s surface, it easily feels like 106+ degrees, and the risk of heat exhaustion or even heat stroke is pretty high.

The most common signs of heat exhaustion:

  • Confusion
  • Dizziness
  • Feeling faint
  • Fatigue 
  • Body chills
  • Headache
  • Muscle cramps
  • Nausea
  • Pale/clammy skin
  • Profuse sweating
  • Rapid heartbeat


  • Stop playing immediately and find shade (preferably indoors with air conditioning)
  • Drink plenty of cold water (avoid soda drinks)
  • Cool yourself with a fan, ice towel, or a cool shower
  • Remove any layers or tight clothing
  • Avoid any hot weather activity for at least a week to fully recover
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If you don’t feel any improvement within 30 minutes or if symptoms get worse, seek immediate help or call 911 because you may be suffering from heat stroke, a severe heat-related injury that can cause major organ damage. 

We encourage everyone to get out and play as much tennis as humanly possible on those beautiful summer days, but be smart, check the heat index and with the exception of league matches that have specific starting times, plan your matches/practices accordingly. 

Please SHARE this with your teammates and anyone who plays outdoor sports.

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Jen Campbell
4.5 USTA rated/open champion level tennis player, vegan, fitness freak, animal lover, and smart ass who firmly believes that champagne is anathema for all ills. Right now I'm either up to my eyeballs in paint swatches and fabric samples, or kicking some butt on a tennis court (hopefully the latter).

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