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There’s nothing quite like the feeling of freshly cleaned windows. The sunlight streams in brighter, your home feels lighter, and suddenly everything looks fresher. Clean windows instantly lift a space, whether you live in a small apartment or a double-storey home.
But when is the best time to clean your windows? And how often should you do it? While you could simply clean them whenever they start to look dull, the truth is that timing can make a big difference.
Different seasons bring different challenges, and the weather can affect how long your windows stay clean. This guide explains the best time of year to clean your windows, how often to do it, and how a little help from Bax Clean can keep your view sparkling throughout the year.
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Why timing matters for window cleaning
Clean windows aren’t just about improving appearances, although that is certainly a nice bonus. The real secret is in timing. The right window cleaning timing helps you achieve a streak-free finish and prevents the frustration of watching freshly cleaned glass quickly become dirty again.
In Melbourne and throughout Victoria, the weather can change dramatically from one day to the next. Choosing the right day and season helps you avoid streaks caused by wind, rain, or fast-drying cleaning solution.
Whether you live in a single-storey home or manage a busy office building, planning your window cleaning schedule can make the results last longer. It also means less effort and maintenance in the long term.
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When is the best time of year to clean your windows?
If you have ever wondered whether there is a perfect season for cleaning your windows, the answer is yes. The best time to clean windows is during spring and autumn. These seasons offer mild temperatures, fewer weather extremes, and less pollen in the air, which makes cleaning easier and more effective.
Here’s a closer look at why these seasons work best:
- Spring: This is the most popular time for window cleaning, and for good reason. After a long winter, windows often have built-up grime, rain streaks, and dust. A spring clean refreshes your home and lets in more light for the warmer months ahead.
- Summer: A surprisingly great time to get your windows cleaned, due to the fast-drying time and reduced chance of rain. However, summer is not ideal timing for the person sweating up the ladder! Luckily, we're pretty tough at Bax Clean. We're pretty busy during the summer, so ensure you book beforehand to avoid disappointment.
- Autumn: Unless it's an unusually rainy couple of months, autumn is an ideal time to clean your windows. The temperature isn't too hot, so there's less chance of cleaning products drying up and leaving residue on your windowpanes, and you can even get your gutters cleaned at the same time.
- Winter: Drying times are slower in winter, but if you choose a clear day, you may be surprised at how long the results last.

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How temperature and weather affect window cleaning results
The best temperature to wash outside windows plays a big role in achieving perfect results. Ideally, the temperature should be between 10°C and 25°C. On very hot days, cleaning solutions dry before you can wipe them off. On very cold days, water can freeze or fog the glass.
Humidity, sunlight, and wind also make a difference. Overcast or mild days are often ideal because the cleaner has time to work before drying. Windy days can undo your hard work by blowing dust back onto the glass.
At Bax Clean, we adjust our methods to suit Melbourne’s ever-changing climate. Whether it’s our water-fed pole systems or high-rise rope access work, we use equipment and timing that ensure a clear, lasting result.
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How often should you clean your windows?
Knowing how often to clean windows depends on your location and lifestyle. Some homes can go months between cleans, while others need more regular attention.
As a general rule:
- Homes should be cleaned at least twice a year, typically in spring and autumn.
- Coastal homes benefit from cleaning every three months to remove salt build-up.
- Urban properties with traffic pollution may need a quarterly schedule.
- Commercial buildings usually require monthly or bi-monthly cleaning to maintain a professional look.
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How often should you clean your exterior windows?
Exterior windows face everything nature throws at them: rain, dust, wind, and even airborne pollutants. Over time, this exposure can dull the glass, weaken seals, and make dirt more difficult to remove. That’s why they require more regular attention than interior windows. Regular cleaning prevents grime build-up, extends the lifespan of your window frames, and helps maintain clear, unobstructed views.
Here’s a detailed guide for how often to clean windows outside, depending on your property and environment:
- Suburban homes: Every three to six months is ideal.
- City or high-traffic areas: Every two to three months to combat dirt and pollution.
- Coastal or rural properties: Every four months to remove salt or dust build-up.
- High-rise buildings: Every two to three months, using specialised safety equipment.
If your home includes skylights, consider skylight cleaning as part of your schedule. Clean skylights allow more light to enter your home, especially during shorter winter days.
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Window cleaning tips for year-round clarity
Keeping your windows bright and clear all year round is easier when you follow a few smart cleaning practices. Here are some helpful tips:
- Ask your window cleaner to pay attention to the window trim and always keep the trim and windowsills free of mould and mildew between cleanings.
- If you have double-pane windows that need to be disassembled and cleaned individually, the warmer months are the best time of year to clean them because of the increased drying speed.
- Dirty window screens can become weak and susceptible to damage. Replacing your screens is a quick and easy fix, but you can also ask us to clean and maintain them so you can handle the problem more economically.
- Always choose safe, non-toxic cleaning solutions that are effective but gentle on glass, frames, and the environment. For more information on choosing safer household chemicals, visit Sustainability Victoria’s guide to non-toxic cleaners.
- The dirt and grime on exterior windows can become more entrenched and difficult to remove than the dirt on interior windows, so make sure you don't neglect window cleaning to prolong their lifespan and make the task less costly over time.
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Keep your windows spotless with Bax Clean
Clean windows make your home brighter, fresher, and more inviting. While you can clean them yourself, professional help makes it easier to keep that spotless shine for longer.
At Bax Clean, we believe professional window cleaning is more than just a chore. It’s an investment in the comfort, beauty, and value of your property. If you’re ready to see the world through cleaner windows, get in touch with our team today and let us help you enjoy a clearer, brighter view every day.
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