New Born Tips
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Ideal Baby Room Temperature for Optimum Comfort in Singapore

Written by
Lloyd Tan
Published on
April 24, 2025

Ideal Baby Room Temperature for Optimum Comfort in Singapore

Babies, particularly newborns, have a limited ability to regulate their body temperature. 

Their thermoregulatory system is still developing, making them highly susceptible to changes in their surrounding environment. An overheated or excessively cold room can lead to significant health risks and discomfort for the infant.

This is why creating a safe and optimum environment for your bubba should be one of the top priorities for parents, especially in a tropical climate like Singapore. 

Ideal Room Temperature for Baby 

The generally recommended ideal room temperature for a baby is between 20-22°C

However, in Singapore's warmer climate, a slightly higher range of 23-25°C is often considered acceptable and more practical as long as humidity is well-managed and the baby shows no signs of overheating.

This recommended temperature range is based on studies that have linked overheating to an increased risk of SIDS. 

Babies are less able to regulate their body temperature, and a cooler environment helps prevent them from getting too hot during sleep. Maintaining an optimum temperature within this range ensures your little one can lose heat effectively and maintain a safe core body temperature.

Fortunately, babies around 11 weeks old learn to regulate their temperature at night just like older humans do.

Parents should observe their baby for signs of being too hot (sweating, flushed skin, rapid breathing, restlessness) or too cold (cool to the touch, lethargy) and adjust the room temperature and the baby's clothing accordingly. Feeling the baby's chest or the back of their neck is a better indicator of their temperature than their hands or feet, which are often cooler.

Ideal Humidity Levels for Baby

Humidity refers to the amount of moisture in the air. 

The ideal relative humidity for a baby's room is generally recommended to be between 40% and 60%. This range helps to prevent the growth of allergens and maintain comfortable breathing and skin hydration.

High humidity makes the air feel even warmer and can hinder the evaporation of sweat, which is the body's natural cooling mechanism. Babies are less efficient at sweating than adults, making them more susceptible to the effects of high humidity and heat. In Singapore, dehumidifiers might be necessary in air-conditioned rooms to prevent the air from becoming too dry. 

Conversely, during periods of very high natural humidity, ensuring good ventilation and using air conditioning to remove moisture from the air can be beneficial. Monitoring humidity levels with a hygrometer (a device that measures humidity) is a useful way to ensure the environment remains within the optimal range.

Air-Conditioning vs Fan

The choice between air conditioning and a fan for a baby's room often sparks debate amongst parents. Both have their advantages and disadvantages.

Air-conditioning is highly effective at lowering the room temperature and reducing humidity, which is particularly beneficial in Singapore's hot and humid climate. It allows for precise temperature control, ensuring a stable and comfortable sleeping environment for baby. Some air conditioners also come with filters that can help improve air quality by removing dust and allergens.

However, air conditioners can make the air too dry, potentially leading to dry skin and respiratory irritation. It also consumes more energy than a fan and requires regular maintenance to ensure it functions efficiently and the filters are clean. Direct cold airflow from an air conditioner should never be directed at the baby.

Meanwhile, fans are more energy-efficient and cost-effective. They create air circulation, which can provide a cooling sensation by helping sweat evaporate (though less effective in high humidity). The gentle white noise produced by a fan can also be soothing for sleeping babies and help mask other disruptive sounds. Studies have also suggested that using a fan in a baby's room can help reduce the risk of SIDS, possibly due to improved air circulation.

On the flip side, fans do not lower the actual room temperature or reduce humidity. In very hot and humid conditions, a fan alone might not provide sufficient cooling. Direct airflow from a fan should also be avoided for babies, as it can cause discomfort and potentially lower their body temperature too much if they are not adequately dressed.

So, what's the final verdict? Using a mixture of both fan and air-con is the most effective option for maintaining a consistently cool and optimum room temperature. Set the air conditioner to a moderate temperature and use a fan for gentle air circulation.

Regulating Your Bub’s Body Temperature

You don't need to swaddle your baby for sleep. In fact, too many blankets or wrapping too tightly raises the SIDS risk. Keep their crib bedding minimal and consider a lightweight sleep sack for comfort. Never use hot water bottles or electric blankets in your baby's sleeping space.

For Warmer Temperatures: Dress your baby in fewer layers when it's warm outside. Using a fan to circulate air in their room (without aiming it at them) is a good idea and may even reduce SIDS risk. If it's safe, let fresh air in by opening a window or door to help keep them cool.

For Cooler Temperatures: When it gets colder, use light, breathable blankets that only go up to your baby's chest, or a light sleep sack. Remember to always leave their head uncovered to lower the risk of SIDS.

Why You Should Maintain An Ideal Baby Room Temperature

Creating an optimal environment plays a significant role in your bub’s overall well-being, impacting everything from sleep quality to their ability to regulate their own body temperature.

1. Prevents Overheating & SIDS

One of the most critical reasons to maintain an ideal room temperature is to reduce the risk of Sudden Infant Death Syndrome (SIDS). Research suggests a link between overheating and an increased risk of SIDS. 

When a baby gets too hot, they may fall into a deep sleep from which they struggle to rouse, potentially contributing to SIDS. A cooler room helps prevent this deep sleep and ensures the baby remains in a lighter, safer sleep state.

2. Ensures Comfortable Sleep

Just like adults, babies sleep better when they are comfortable. An environment that is too hot or too cold can disrupt their sleep patterns, leading to fussiness, frequent waking, and overall poor sleep quality. Adequate sleep is essential for a baby's growth, development, and immune system function. A consistently comfortable temperature promotes longer and more restful sleep.

3. Maintains Health & Well-Being

Extreme temperatures can impact a baby's health in various ways. Overheating can lead to dehydration, heat rash, and increased irritability. Maintaining a stable and appropriate temperature helps your baby's body function optimally and reduces the risk of these temperature-related issues.

Consistent and comfortable sleep, facilitated by the right room temperature, also plays a vital role in a baby's growth and development. During sleep, crucial physical and cognitive development processes occur. Ensuring the baby is neither too hot nor too cold helps create an environment conducive to these developmental milestones.

Let NewBubs Confinement Help You

Feeling a little overwhelmed by all the things you need to know for your little one's arrival? Don't navigate this incredible journey with unanswered questions! 

Try out NewBubs's comprehensive antenatal classes, designed to equip you with the knowledge and confidence you need to welcome your bub with ease. We offer parents professionally trained confinement nannies who can transform your newborn’s care experience.  

Alternatively, free online infant care guides are available on our website, such as infant care essentials and how to cope with sleep deprivation once the baby arrives.

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