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National Hydration Day

Stay cool and hydrated this National Hydration Day - make sure to drink plenty of clean, fresh water throughout the day!

Tuesday

June 2026

Last updated February 7, 2026 · by the Holiday Calendar Team

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YEARLY DATEJune 23

OBSERVED INUnited States

CATEGORYHealth

SUBCATEGORYWellness

INTRO

Introduction

PHOTO

It's time to raise your water bottle in celebration of National Hydration Day on June 23! This day was created to remind us all of the importance of staying hydrated, and the many health benefits that come with it. It is believed that drinking plenty of fluids can help reduce fatigue, improve your mental clarity and concentration, as well as keep your skin looking youthful and radiant. So grab a glass or bottle of water, and join us in celebrating this special day!

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Kroger

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TIMELINE

National Hydration Day Timeline

Early Hydration Studies

In the 1930s, first serious studies on hydration were conducted revealing the importance of water in maintaining body functions.

Development of Sports Drinks

The importance of hydration was recognized by athletes leading to the development of the first sports drink, Gatorade, in 1965.

Hydration and Cognitive Function

During the 1990s, scientists began publishing studies highlighting links between hydration levels and cognitive function.

Water Recommendations Established

In 2011, the European Food Safety Authority issued daily water intake recommendations for men and women.

National Hydration Day Initiation

National Hydration Day was officially initiated in 2016 to spread awareness about the importance of staying hydrated for overall health.

GET INVOLVED

How to Celebrate National Hydration Day

Go for a hike

Getting outdoors and going for a hike is a great way to stay hydrated and enjoy the day. Bring a bottle of water with you, and take regular breaks to rest and hydrate.

MAKE

Make flavored water

Infuse your water with fruit or herbs to add flavor and make it more enjoyable to drink. Try adding cucumber, mint, lemon, lime, or any other combination of fruits and herbs that you like.

DRINK

Drink tea

Tea is an excellent way to get in your daily hydration. There are so many teas to choose from, herbal teas, green teas, black teas, and white teas. Find your favorite and celebrate National Hydration Day with a cup of tea.

EAT

Eat hydrating foods

Eating hydrating foods like watermelon, cucumber, celery, spinach, and strawberries can help you stay hydrated. Add these to your salads or smoothies for an extra boost of hydration.

HAVE

Have a water challenge

Challenge yourself to drink a certain amount of water every day for a week. Set a goal for yourself and track your progress throughout the week. Once you reach your goal, reward yourself with something special.

WHY THIS DAY MATTERS

Why We Love National Hydration Day

It's easy to stay hydrated!

Keeping yourself hydrated doesn't have to be a chore! There are lots of tasty options like fruit infused water, herbal teas, or electrolyte drinks that make drinking water enjoyable. Even better, there are now apps that remind you when it's time to refill your glass - so no excuses!

Staying hydrated is important

Our bodies rely on water to survive and staying properly hydrated is essential for both our physical and mental health. Drinking plenty of water helps to prevent dehydration, boosts our energy levels, and keeps our skin looking its best!

Water can help us lose weight

Drinking water can help to keep you feeling full so that you consume fewer calories during meals. It also helps to flush out toxins from the body and keep your organs functioning efficiently. So drink up - it might just be the key to sustainable weight loss!

Related holidays

Nutrition and Hydration Week

A week-long awareness observance in March promoting good nutrition and hydration practices in health and social care settings to reduce malnutrition and dehydration risk.

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THU

Jul 2026