Hydration for Training in an Australian Summer
How to stay hydrated training through a hot Australian summer — fluid needs, when to add electrolytes, and signs of dehydration to watch for.
Quick answer
Training in the Australian heat means you sweat more, so drink to thirst across the day and add electrolytes for longer or intense sessions. Start sessions well-hydrated, sip during, and replace fluids after. Watch for dark urine, headaches and dizziness — early signs you're behind on fluids.
An Aussie summer is no joke for training — 35°C sessions drain you fast. Smart hydration keeps your performance and safety on track. Here's how.
Why heat changes the game
In hot, humid conditions you sweat more to cool down, losing both water and electrolytes (mainly sodium). Lose enough and performance drops, your heart works harder, and heat illness becomes a real risk. Hydration isn't optional in summer — it's performance and safety.
How much to drink
- Before: start well-hydrated — drink steadily in the hours before training.
- During: sip regularly; don't wait until you're parched.
- After: replace what you lost — aim to drink beyond just quenching thirst.
When to add electrolytes
For sessions over about 60–90 minutes, or any intense training in heat, add electrolytes to replace sodium lost in sweat — more in when to take electrolytes. For a short, easy session, water is fine.
| Sign of dehydration | What it means |
|---|---|
| Dark yellow urine | Drink more — aim for pale straw colour |
| Headache / dizziness | You're likely behind on fluids |
| Cramps | Possible fluid and sodium loss |
| Unusual fatigue in heat | Stop, cool down, rehydrate |
Fuel matters too
Heat can blunt appetite, but under-fuelling makes hot sessions harder. Get easy carbs in beforehand — see carbs vs fats before training. Many non-stim pre-workouts include electrolytes, handy for summer.
Browse electrolytes and the health range to stay on top of summer training.
Supplements support — not replace — a balanced diet and consistent training. Claims are general in nature; always read the label and follow directions for use. If you're pregnant, breastfeeding or managing a medical condition, check with your GP first.