swiig-Approved Ways to Stay Cool and Hydrated This Summer

Summer heat does more than make you uncomfortable — it quietly drains your body of the fluids and nutrients it needs to function at its best. Proper hydration supports everything from glowing skin to steady energy levels, and the two go hand-in-hand more than most people realize.

The best way to stay hydrated in the heat includes eating foods that cool the body naturally, replenishing essential electrolytes, and building smart daily habits that work with your body — not against it. swiig is here to help you do exactly that all summer long with simple strategies that support your wellness goals and keep you feeling your best!

Why Staying Hydrated Matters in Summer Heat

Your body loses more water in hot weather:

Hot temperatures activate your body's cooling system — more sweating, increased blood flow to the skin, and significant loss of water and essential electrolytes like sodium and potassium through perspiration. Humid environments make matters worse by slowing sweat evaporation, which means your body keeps sweating heavily just to keep up.

Physical activity outdoors pushes fluid loss even further. Your body naturally loses water through sweat, breathing, urine, and more throughout the day — but heat and exercise together intensify that process fast, leaving you with a smaller volume of more concentrated body fluid. Your baseline water needs increase substantially when temperatures climb, and recognizing that early is everything.

Signs you need more fluids:

Thirst signals that dehydration has already started — so if you're waiting until you feel parched, you're already behind. Here's what to watch for:

Dry mouth and lips, fatigue, headache, or dizziness
Dark yellow or strong-smelling urine — light, straw-colored urine means you're on track
Muscle cramps, confusion, or rapid heart rate in more severe cases

In fact, even a 2% drop in hydration can trigger brain fog, headaches, and dizziness. Elderly adults face higher dehydration risk because body water content decreases with age and thirst signals weaken over time.

How much water you actually need:

The numbers might surprise you! Men need at least 12 cups of fluid daily from beverages, while women need a minimum of 9 cups — plus additional water from foods. When you're active in the heat, aim for 8 ounces of water every 15 to 20 minutes, which translates to 24 to 32 ounces per hour. A simple formula from exercise physiologists: divide your weight in pounds by 2, and that's roughly the ounces you need daily.

A few more ways to stay on track:

Urinate every two to three hours — that's a reliable sign you're properly hydrated
Toddlers need about 32 ounces daily; pre-teens need approximately 60 ounces
Don't wait for thirst cues — consistent intake beats reactive drinking every time

swiig products make it easier to build that consistent routine. Our clean, functional beverages support your wellness goals while helping you maintain optimal fluid levels through summer's hottest days.

Water-Rich Foods That Cool the Body

Food is one of the most underrated tools for staying hydrated — and summer gives you plenty of delicious options to work with!

Watermelon and Summer Melons

Watermelon is a summer staple for good reason. With 91-92% water content, it's one of the most hydrating foods you can reach for on a hot day. Each cup also delivers lycopene, an antioxidant linked to reduced risk of cancer and heart disease, plus citrulline, an amino acid that promotes healthy blood flow. The rest of the melon family pulls its weight, too!

Hydrating melons to stock up on:

Cantaloupe — 90% water, rich in vitamin A and beta-carotene for immune support
Honeydew — 91% water, with potassium to maintain healthy blood pressure and muscle function

Cucumbers and Leafy Greens

Cucumbers are essentially solid hydration — coming in at 95-96% water content. They provide vitamin K for bone health, plus electrolytes like potassium and magnesium that support muscle and nerve function. Leafy greens are just as impressive!

Water content in common greens:

Iceberg lettuce — 96% water
Romaine lettuce — 95% water, with higher folate and vitamin K
Spinach — 93% water, delivering iron for oxygen transport and immune support

Strawberries and Citrus Fruits

Strawberries pack 91-92% water along with vitamin C, folate, and manganese. Their natural sugars provide quick energy while fiber helps you feel satisfied — a winning combination on a hot summer day!

Citrus fruits matter here, too:

Oranges — 86-87% water, with vitamin C and potassium for heart health
Grapefruit — 89-90% water, loaded with polyphenols and anti-inflammatory properties

Other Hydrating Produce to Stock Up On

More high-water vegetables worth adding to your plate:

Celery — 95% water
Tomatoes — 94% water, with vitamin C
Zucchini — 94% water
Green bell peppers — 94% water, with added folate and antioxidants

These water-rich foods do double duty — they cool your body and deliver the nutrients your skin, energy, and overall wellness depend on all summer long.

Essential Electrolytes to Keep You Going

What Electrolytes Do for Your Body

Electrolytes are minerals that, when dissolved in body fluids, break down into electrically charged particles. Those charged particles do a lot of heavy lifting — they regulate muscle contractions, control water balance in your cells, maintain pH levels, and transmit nerve impulses throughout your body.

Sodium and potassium work together to help your body maintain fluid and blood volume. Your cells use them in a constant exchange: when a sodium ion enters a cell, a potassium ion leaves. Magnesium supports your cells as they convert nutrients into energy, and your brain and muscles rely heavily on it. When you exercise or spend time outdoors in hot temperatures, electrolytes through sweat are lost at a faster rate — and that loss can lead to muscle cramps, dehydration, and dizziness.

Natural Sources of Sodium and Potassium

Most Americans already get more than 3,400 mg of sodium daily, mostly from packaged and restaurant foods. Sodium and chloride are the main electrolyte constituents of sweat, so replenishing them matters. Potassium, on the other hand, comes naturally from whole foods like vegetables, fruit, seafood, and dairy.

Top potassium sources to add to your summer plate:

Bananas — 519 mg per medium fruit
Baked potato — 583 mg
Spinach — 454 mg per cup
Mung beans — 938 mg per cup
swiig Coconut water - 240 mg per cup

Getting Magnesium from Whole Foods

Magnesium participates in over 300 enzymatic reactions in your body. That's a big job! Fortunately, it's found in a wide variety of whole foods that are easy to work into your daily meals.

Excellent magnesium sources include:

Pumpkin seeds — 168 mg per ounce
Cooked spinach — 158 mg per cup
Almonds — 80 mg per ounce
Black beans — 60 mg per half cup
Leafy greens, nuts, seeds, legumes, and whole grains

Making sure you get electrolytes is so important when spending time in the hot outdoors. Opt for coconut water rather than regular water and eat electrolyte packed fruits, veggies and seeds.

During the heat of summer, it is so important to keep yourself cool and hydrated. Remember to take breaks, drink water, and use sunscreen. Remember, a healthy summer is a fun summer!