Summer with a newborn can be challenging. High temperatures, intense sun, and indoor heat require extra care, especially in the first few months of life, when the baby cannot yet effectively regulate their body temperature.
The good news is that with some simple choices and attention to the right details, it's perfectly possible to keep your baby comfortable, cool, and protected during the hottest months of the year.
How babies regulate temperature
Unlike adults, newborns cannot autonomously regulate their body temperature. This means they heat up and cool down much faster than we do and depend entirely on their caregivers to stay comfortable.
In summer, the main risk is overheating. Some signs that your baby might be too hot:
- Warm, red skin
- Sweat on the neck or back
- Restlessness or unexplained crying
- Faster breathing than usual
If you notice any of these signs, remove a layer of clothing, offer milk more frequently, and take your baby to a cooler environment.
How to dress your baby in summer
The general rule is simple: dress your baby in one more layer than you are wearing yourself. In summer, this means that on very hot days, a short-sleeved cotton bodysuit may be enough.
Some practical guidelines:
- Always choose 100% cotton, the most breathable and soft material for a newborn's sensitive skin
- Avoid synthetic fabrics, which retain heat and can cause irritation
- Prefer light colours, which absorb less heat than dark colours
- Always have a light hat on hand to protect your baby's head from direct sunlight when outdoors
- A light muslin is always useful for covering the baby in the stroller or protecting them from draughts indoors in air-conditioned spaces
The ideal room temperature
Maintaining the baby's room at an adequate temperature is essential for peaceful and safe sleep. The ideal is between 18°C and 20°C, even in summer.
Some tips for keeping the room cool:
- Close blinds or curtains during the hottest hours to prevent the sun from heating up the space
- Ventilate the room early in the morning and late in the day, when temperatures are milder
- Use a fan to circulate the air, but never point it directly at the baby
- Avoid air conditioning directly in the baby's room or, if necessary, keep it at a moderate temperature and never point it at the cot
Hydration: more important than ever
In summer, a baby's hydration needs increase. If your baby is still exclusively breastfed or formula-fed, there's no need to offer extra water in the first few weeks. Milk provides all the hydration the baby needs.
However, it's normal for the baby to want to feed more frequently on hotter days. Always respond when they ask; it's the natural way for the baby to stay hydrated and comfortable.
Outdoor strolls: when and how
The summer sun in Portugal can be very intense, especially between 11 am and 5 pm. During this period, it's best to avoid direct sun exposure with a newborn.
The best times for walks are early in the morning or late in the day, when the sun is lower and temperatures are more pleasant. When you go out, always protect your baby with:
- A light hat to protect their head
- A light muslin or swaddle to cover the stroller and create shade without blocking air circulation
- Light cotton clothing that covers their arms and legs in case of sun exposure
In summary
Caring for a newborn in summer requires attention, but it doesn't have to be complicated. Choose light cotton clothes, keep the room cool, watch for signs of overheating, and avoid sun exposure during the hottest hours.
With the right care, your baby's first summer can be as peaceful and special as it deserves to be.
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