Safe drinks for babies in the heat – from newborn to 1 year

Babies have high fluid needs, especially on warm days. But what can a baby between 0–12 months actually drink when the temperature rises? Here's what’s safe, so you can feel confident whether your child is a newborn or nearing their first birthday.

Linnea Dinesen

Read time: 2 m

Written by Linnea Dinesen

Content Creator

Safe drinks for babies in the heat – from newborn to 1 yearPhoto: Preggers

0–6 months: Newborn to 6 months

  • Fully breastfed babies usually don’t need extra fluids. Breast milk provides both nourishment and hydration, even in warm weather.
  • Formula-fed babies may be given small amounts of water during hot weather or if they seem particularly thirsty – but always check with your health visitor first.
  • Avoid all other drinks such as squash, juice, or rehydration solutions unless prescribed, as they can disrupt gut flora, nutrient absorption and blood sugar levels.

6–12 months: Once your baby has started solids

  • Offer small amounts of cool water in a sippy cup or baby cup, especially during meals.
  • Continue to breastfeed or give formula as the main source of fluids.
  • Avoid sweetened drinks, including diluted juice or squash.
  • Encouraging water as a thirst quencher early on is a great habit for the future.

Signs of dehydration – what to look for

  • Offer breast or bottle more frequently in the heat.
  • Let your baby feed little and often, especially if they’re sweaty.
  • Check nappies: if your baby is weeing regularly and has moist lips, they’re getting enough fluids.
  • If your baby seems unusually tired, wees less, or cries without tears – contact your health visitor or GP.

Keeping your baby well-hydrated in the summer is all about simple habits that make a big difference to their well-being.

Also read: How to protect your baby from the sun

Linnea Dinesen

Written by Linnea Dinesen

Content Creator

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