Changing Seasons, Changing Lungs — How Weather Affects Your Breathing (and What You Can Do About It)

When the weather changes, we often notice the obvious shifts — warmer mornings, cooler nights, more rain or sunshine. But there’s one change that’s a little more subtle: the way our bodies respond, especially our lungs.

If you’ve ever found yourself breathing a little heavier in winter, coughing more in spring, or feeling unusually tired after walking on a humid day, you’re not imagining it. The seasons really can affect your lungs. And for people with asthma, allergies, COPD or chronic bronchitis, the impact can be even more noticeable.

So, why does this happen — and what can we do about it?

Seasonal Shifts & Your Lungs: What’s the Connection?

Our lungs are in constant contact with the outside world. With every inhale, they pull in not only oxygen, but also tiny particles and gases from the surrounding air. That makes them incredibly sensitive to changes in temperature, humidity, air quality, and allergens — all of which fluctuate with the seasons.

Here’s how different weather patterns can affect respiratory health:

❄️ Winter (Cold & Dry Air)

• Cold air can irritate and tighten your airways, especially during exercise.

• Dryness reduces moisture in your airways, which can increase inflammation.

• Indoor heating can worsen dust and dry air exposure.

• People often get more colds or flus in winter, which can linger in the lungs.

🌻 Spring (Allergy Season)

• High pollen levels can trigger asthma and allergic reactions.

• Wind can carry dust, mould, and other airborne irritants.

• Shifting temperatures can lead to sudden airway sensitivity.

☀️ Summer (Hot & Humid)

• Humid air can feel “thicker” and harder to breathe.

• Heat can increase air pollution and ozone levels.

• Dehydration may impact the fluid balance in your lungs.

🍂 Autumn (Temperature Swings)

• Cooler nights and warm days can cause inflammation in sensitive lungs.

• Leaf mould and increased indoor dust may trigger respiratory symptoms.

How You Can Protect Your Breathing — Season by Season

While you can’t change the weather, you can adapt your habits to better support your lungs year-round. Here’s how:

1. Dress for Your Lungs

Wear a scarf over your mouth and nose in cold weather to help warm the air before it hits your airways. This is especially helpful for people with asthma or bronchitis.

2. Monitor Air Quality & Pollen Levels

Check local forecasts or download an air quality app. Avoid outdoor exercise on days with high pollution or pollen counts, and keep windows closed during peak pollen hours (usually early morning).

3. Keep Indoor Air Clean

• Use an air purifier, especially if you live in a city or during bushfire season.

• Clean vents, fans, and filters regularly.

• Reduce indoor pollutants like strong cleaning products or scented candles.

• Control humidity with a dehumidifier in damp areas.

4. Practice Breathing Techniques

Gentle breathing exercises, yoga, or even singing can help expand your lungs, strengthen respiratory muscles, and encourage better airflow — especially helpful in colder months when we’re less active.

5. Listen to Your Body

If you notice your breathing changing with the seasons — more coughing, wheezing, shortness of breath or fatigue — it’s worth checking in with a GP or respiratory specialist. These signs can often be managed early with the right support.

🧠 Final Thought: Your Lungs Don’t Take a Season Off

While the seasons come and go, your lungs are working constantly — day and night — to keep you going. Staying aware of how your environment affects your breathing is a powerful step toward better everyday wellbeing.

Whether it’s wrapping up on a frosty morning walk or closing your windows during a dusty afternoon breeze, every small action helps protect your lungs through the year’s changes.

Because when you breathe better, you live better.