Hot weather can be lovely, but when you have babies or young children, it can also feel like one more thing to manage. Naps can go off track, bedtime can feel harder, everyone can become a little more irritable, and parents can end up worrying about whether their child is too hot, drinking enough, or sleeping safely.
The good news is that you do not need to do everything perfectly. A few simple, sensible steps can make a big difference in keeping your family comfortable, calm and safe during warmer days.
Why children feel the heat more
Babies and young children are more vulnerable in hot weather because they rely on adults to help them stay cool, hydrated and protected from the sun.
According to the NHS, babies and young children can become unwell during very hot weather because of dehydration, heat exhaustion, heatstroke and sunburn.
This does not mean you need to panic every time the temperature rises. It simply means it helps to plan your day a little differently and keep a closer eye on how your child is coping.
Keep the house as cool as possible
During the hottest part of the day, try to keep curtains, shutters or blinds closed, especially in rooms that get direct sunlight.
Open windows early in the morning and later in the evening when the air is cooler, then close them again when the outside temperature rises.
According to The Lullaby Trust, a baby’s room should ideally be kept between 16 and 20°C where possible. Of course, during a heatwave this is not always realistic, but using a room thermometer can help you understand how warm the room actually is and adjust layers accordingly.
The Lullaby Trust also advises that, in hot weather, you can open the door and window if it is safe, use a fan pointed away from your baby, and close the curtains during the day.
If your child’s room is very warm, you can also try:
Keeping sleepwear light
Using a lighter sleeping bag or no sleeping bag if appropriate
Moving the cot or bed away from direct sunlight
Using a cool, damp cloth before bedtime
Giving a lukewarm bath before sleep
Be flexible with routines
Hot weather can affect appetite, mood and sleep. Your child may eat less, wake more, need extra reassurance, or struggle to settle as easily as usual.
This does not mean your routine is ruined. It just means your child’s body is working hard to regulate itself.
On very hot days, it can help to lower expectations a little. You might keep the same general rhythm, but allow more flexibility around naps, meals and bedtime.
Your child might need a quieter afternoon, an earlier bath, extra fluids, or a little more support to settle.
Consistency still matters, but so does responding to what your child needs in the moment.
Remember that adults struggle with heat too
It can be helpful to remember that many adults also find it harder to sleep, concentrate and stay patient when it is very hot.
We can become more restless at night, wake more often, feel more irritable during the day, or find it harder to cope with the usual noise and demands of family life.
So if your child is unsettled, clingier, more emotional or finding sleep harder during a heatwave, it makes sense. Their body is uncomfortable, and unlike adults, they do not always have the words to explain it.
Sometimes this shift in perspective can help us respond with a little more patience.
Rather than seeing bedtime resistance, extra wake ups or emotional moments as bad behaviour, we can recognise that heat affects the whole family.
On very hot days, it is okay to keep things simple. Lower the pressure, offer extra comfort, and remember that once the weather settles, sleep and routines often settle again too.
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Hydration matters
Children may need to drink more than usual in hot weather. Offer water regularly to toddlers and older children, even if they do not ask for it.
According to the NHS, breastfed babies may want to feed more often in hot weather. Formula-fed babies may also need extra fluids, so it is important to follow safe guidance for your baby’s age and feeding situation.
Simple ways to encourage hydration include:
Offering water little and often
Keeping water bottles within reach
Giving fruit with high water content
Making homemade fruit ice lollies
Offering extra feeds for babies
Try not to wait until your child is very thirsty, as thirst can be a later sign that they need fluids.
Avoid the strongest sun
Try to avoid the strongest sun during the middle of the day, especially with babies and young children.
According to the NHS, babies under 6 months should be kept out of direct sunlight. Older babies should also be kept out of the sun as much as possible, especially during the summer and between 11am and 3pm when the sun is strongest.
When you do go outside, aim for shade, light clothing, hats and sunscreen where appropriate. Outdoor play is often easier earlier in the morning or later in the day, rather than during peak heat.
A very important reminder: never cover a pram or buggy with a blanket or muslin.
The NHS advises using a parasol or sunshade on a pushchair instead, because covering a pram with a blanket can lead to overheating.
Although a blanket or muslin may seem like it is creating shade, it can trap heat. Use a parasol or proper sunshade instead, and check your baby regularly.
Watch for signs your child may be too hot
Most children will be absolutely fine with shade, fluids and sensible cooling. But it is important to know what to look out for.
Signs your child may be struggling with the heat can include:
Tiredness
Dizziness
Headache
Feeling sick
Excessive sweating
Muscle cramps
Fast breathing or heartbeat
Intense thirst
Seeming unusually sleepy or unwell
For babies and young children, you might notice they are unusually unsettled, floppy, very sleepy, feeding less, having fewer wet nappies, or feeling very hot to touch.
If your child seems very unwell, confused, unusually drowsy, has difficulty breathing, has a seizure, or you are worried they may have heatstroke, seek medical advice urgently.
Always trust your instincts. If you are worried, it is okay to ask for help.
Keeping sleep comfortable in the heat
In hot weather, many parents worry about what their baby or child should wear at night.
A good guide is to check your baby or child’s chest or the back of their neck to see if they feel too hot. Hands and feet can often feel cooler, so they are not always the best guide.
You may need to reduce layers, use a lighter sleeping bag, or just use a vest or nappy depending on the temperature.
Try to keep the room shaded during the day and ventilated when the outside air is cooler, so bedtime feels more comfortable.
If sleep is disrupted during a hot spell, try not to panic. Heat can temporarily affect sleep, but once temperatures settle, your usual rhythm can return.
Look after yourself too
Parents often focus so much on keeping the children comfortable that they forget themselves. But your regulation matters too.
Hot days with young children can feel intense. Everyone may be more irritable. Small things can feel bigger. Bedtime can feel longer.
That does not mean you are doing anything wrong.
Drink water, slow the pace where you can, simplify meals, reduce unnecessary outings, and remind yourself that some days are about getting through gently rather than doing everything perfectly.
A calm summer reminder
Keeping your family safe in the heat is not about having the perfect routine or the perfect setup.
It is about small, steady choices.
Shade. Fluids. Light layers. Cooler rooms. Flexible expectations. Watching your child. Trusting your instincts.
And if sleep or behaviour feels harder during hot weather, remember that your child is not being difficult. Their body is uncomfortable, and they may need a little more support, patience and connection.
You are allowed to slow things down. You are allowed to keep the day simple. And you are allowed to make comfort the priority.
