In this article we answer the following questions:
- Why is staying hydrated especially important during summer?
- How much water should you drink?
- What happens when you don’t drink enough water?
- What are the signs you are dehydrated?
- How can you make drinking water more fun?
1. Your body’s natural cooling system needs fuel
When heat intensifies, your body responds by producing sweat. This sophisticated cooling mechanism relies entirely on adequate fluid levels. As sweat evaporates from your skin, it carries away excess heat, preventing dangerous internal temperature levels. When you are not hydrated, your ability to sweat and cool your body down is compromised. Your body struggles to maintain a comfortable temperature, particularly during outdoor activities, exercise, or an extra hot afternoon. Dehydration can quickly escalate into heat exhaustion or heatstroke, both serious medical conditions that require immediate attention. Drinking water helps to transport essential minerals, supports the sweating process that regulates temperature, and maintains blood volume for efficient circulation. Drinking enough fluids throughout the day is your first line of defence to keep you safe during the intense summer heat.
2. Dehydration steals your energy and mental clarity
You might not realise that even minor dehydration has a big effect. When your body loses fluids, your blood becomes slightly thicker, which makes your heart work harder to deliver oxygen and nutrients. As a result, you become tired, your concentration wavers, and brain fog sets in. Losing just 1-2% of your body’s water content can significantly impair your mood, memory, and brain’s performance. Keeping hydrated supports efficient body function, maintains your focus, and sustains the steady energy you need for busy summer days.
3. Healthy skin starts from within
The combination of sun exposure and heat harms your skin throughout the summer. Moisturisers and serums can help on a surface level, but the best way to keep your skin healthy is to drink enough fresh, filtered water. Water helps skin cells get the nutrition they need and gets rid of the toxins that cause dullness and blemishes. Staying hydrated keeps your skin supple, stops it from being dry, and helps maintain its natural barrier. When you drink enough water, your skin is softer, brighter, and better able to handle the severe weather of the season.
4. Water supports digestion and natural detoxification
Your digestive system needs water for nearly every function. Water helps digestion by breaking down food more efficiently, which makes sure your body absorbs nutrients properly. Hydration supports kidney function, which filters waste from your bloodstream. Being adequately hydrated helps regular bowel movements, preventing uncomfortable bloating and constipation. During festive seasons when richer foods fill the table, adequate water intake is more important than ever for supporting your body’s natural detoxification processes. Proper hydration helps flush toxins, supports metabolism, and keeps your entire digestive system functioning smoothly.
5. Keep your joints and muscles functioning smoothly
Water is very important for the health of your joints and muscles. Synovial fluid, the lubricant that keeps your joints moving smoothly, is primarily made of water. When you’re well-hydrated, this fluid acts as a shock absorber, lowering friction and preventing bones from rubbing together when you move. Proper hydration protects your cartilage from premature wear and tear. Without enough water, joints lose their cushioning. Moving feels stiff and uncomfortable. Dehydration can also trigger muscle cramps and spasms by throwing off your body’s electrolyte balance. Drinking enough water helps move nutrients that your muscles need to heal and rejuvenate and lowers inflammation in your joints. The more water you drink, the better your muscles and joints will respond to daily activities and physical exercise.
Simple Ways to Drink More Water
You should be drinking at least two litres of fresh, filtered water every day. If you battle to meet your water goals, here are some tips to make drinking water more enjoyable:
- Add slices of cucumber, lemon, mint, or fresh berries to create refreshing infusions.
- Choose herbal teas like chamomile, hibiscus, or peppermint for flavour without caffeine or sugar.
- Fill ice cube trays with fruit pieces or herbs, then add them to fresh, filtered water.
- Eat water-rich foods. Watermelon, cucumber, strawberries, celery, and tomatoes all help you stay hydrated.
- Carry a reusable water bottle everywhere and sip steadily throughout the day.
- Drink before you feel thirsty. Thirst signals you’re already mildly dehydrated.
- Set regular reminders during the day to drink water.
How to tell when you’re dehydrated
Mild to moderate dehydration:
- Feeling thirsty
- Dark yellow, strong-smelling urine
- Urinating less frequently than usual
- Dry mouth, lips, and tongue
- Headache
- Muscle cramps
- Feeling tired, dizzy, or lightheaded
- Dry, cool skin
Severe dehydration (requires immediate medical attention):
- Extreme thirst
- Very dark urine or no urination
- Rapid heartbeat and breathing
- Sunken eyes
- Confusion, irritability, or delirium
- Dizziness or fainting
- Low blood pressure
- Skin that doesn’t return to normal after being pinched. The skin will stay tented.
In babies and young children:
- Fewer wet nappies than usual (or no wet nappies for 3+ hours)
- Sunken soft spot on top of the head
- No tears when crying
- Sunken eyes and cheeks
- Being unusually drowsy or irritable
Dehydration is dangerous because it can lead to serious complications like heatstroke, seizures (from electrolyte imbalances), kidney problems, and, in severe cases, hypovolemic shock, a life-threatening condition where low blood volume causes blood pressure and oxygen levels to drop dangerously.
Make hydration your summer priority
This summer, make water the foundation of your wellbeing. Your body will respond with more energy, clearer thinking, healthier skin, and resilience against heat-related illness. Making small, consistent choices can help you develop habits that are good for your health. Aim for pale yellow urine as your simple indicator of proper hydration. Remember, it’s important to drink water, not just any liquid. Caffeinated and sugary drinks deplete your body’s water stores. Always choose fresh, filtered water over other beverages. When you make drinking water a daily priority, you are investing in the health and energy you need to fully enjoy this summer.
References and additional reading:
- Dehydration (2025) Cleveland Clinic. Available at: https://my.clevelandclinic.org/health/diseases/9013-dehydration
- Forbay, B. (2025) The key to staying hydrated in the warmer months of South Africa: A guide for exercise and training, RegInsights. Available at: https://www.regenesys.net/reginsights/staying-hydrated-during-south-africa-warmer-months
- Hydration and joint health: Quickly and easily explained (2025) Anika Therapeutics. Available at: https://anika.com/blog/hydration-and-joint-health-why-water-is-your-best-friend/
- The importance of Hydration in joint health (2024) Summit Rheumatology. Available at: https://summitrheumatology.com/patient-lifestyle/hydration-and-joint-health/
- Staying hydrated in the heat: What the public can learn from professional athletes (no date) World Health Organization. Available at: https://www.who.int/europe/news-room/feature-stories/item/staying-hydrated-in-the-heat–what-the-public-can-learn-from-professional-athletes
- Tips for staying cool and safe in South Africa’s heat (2024) Bloom. Available at: https://bloom.insure/tips-for-staying-cool-and-safe-in-south-africas-heat/
- 7 wildly effective ways to make drinking water fun & easy (2024) SPARKFUL. Available at: https://sparkful.app/articles/7-wildly-effective-ways-to-make-drinking-water-fun-and-easy/726394