Wondering what your newborn should wear in summer? Keeping your baby cool, comfortable, and safe in warmer weather is essential. In this guide, we’ll walk you through exactly how to dress your newborn in summer — from daytime outfits to sleepwear and spotting signs of overheating.
Explore our range of newborn baby clothes perfect for summer
Keep your newborn cool and protected
Newborns can’t regulate their body temperature as well as adults, so it’s important to keep their outfits simple and breathable.
- Choose lightweight, natural fabrics like cotton or linen
- Dress your baby in a single layer in hot weather (e.g. a bodysuit or vest)
- Use loose-fitting clothing to allow airflow
- Add a sun hat when outdoors
Light colours such as white, cream, and soft pastels are best, as they reflect heat. Avoid darker colours like black or navy, which absorb heat and can make your baby too warm.
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Protect your baby from the sun
Direct sunlight can be harmful to newborns, so it’s important to create shade and minimise exposure:
- Keep your baby in the shade wherever possible
- Use a pram sunshade or umbrella instead of covering with blankets
- Dress them in light layers that cover arms and legs
- Use sunscreen only if recommended for your baby’s age
Remember — babies under 6 months should be kept out of direct sunlight as much as possible.
What should a newborn wear to sleep in summer?
Sleepwear is just as important as daytime clothing when temperatures rise.
- Use light cotton sheets to help regulate temperature
- Dress baby in a short-sleeve bodysuit or just a nappy in very hot weather
- Use a lightweight blanket or low-tog sleeping bag if needed
As a general rule: your baby should wear one more layer than you — but adjust this in hot weather to avoid overheating.
Be prepared for temperature changes
Even in summer, temperatures can drop — especially in the evening or indoors.
- Keep an extra cardigan or sleepsuit in your changing bag
- Layer lightly so you can easily adjust
- Check your baby regularly rather than relying on guesswork
Browse our newborn baby outfits for easy layering
Signs your baby may be overheating
It’s important to recognise when your baby is too hot. Watch for:
- Hot or sweaty skin
- Red cheeks or heat rash
- Restlessness or unusual fussiness
- Rapid breathing
If your baby seems too warm, remove a layer and move them to a cooler environment. Never cover prams or car seats with blankets, as this can trap heat and reduce airflow.
Final thoughts
Dressing your newborn in summer doesn’t need to be complicated. Stick to breathable fabrics, light layers, and regular temperature checks — and you’ll keep your baby comfortable and safe.
Most importantly, trust your instincts — you know your baby best.
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