Foggy windshields on your car in summer can catch drivers off guard and make them apprehensive. You might think fog occurs only during cold weather, but even in hot weather at times, moisture becomes mist on glass, impairing vision and increasing chances of accidents. Recognizing why it happens and how to correct it can prevent you from getting into trouble and ensure your summer drive remains hazard-free and uninterrupted.

Why Fog Forms on a Car Windshield During Summer

During summer, switching on the AC within your vehicle cools down the interior rapidly. When you suddenly open the door or hot outside air seeps in, the cold windshield surface is suddenly exposed to a humidity change. That moisture immediately clings to the chilly surface, creating a fog-like layer that gets in the way of your visibility.

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Also, during hot weather, humidity remains constant. Such humid air, coming into contact with a colder windshield, condenses and forms visible steam or fog, causing discomfort on the road. Most drivers face this issue while changing AC modes or at red lights, where external air readily hits the chilled glass.

Easy Methods to Clear and Avoid Summer Fog

  • One of the simplest methods of defogging is by employing your AC in the right way. Don’t use it merely on face mode. Rather, switch it to windshield or defogger mode, where air blasts directly to the glass and evaporates the moisture in no time. It prevents the development of mist and provides you with a better view.
  • Another easy method is turning your AC to fresh air mode from recirculation. Fresh outside air entering balances temperature, which aids in clearing condensation from the glass. This trick comes in handy while taking long trips around where constant cold air would otherwise accumulate additional moisture indoors.

Quick Cleaning Hacks for Clear Visibility

Have a dry microfiber cloth in your vehicle as a precaution. If there is sudden fog, wipe the windshield lightly to remove your obstruction of view. Don’t use a damp cloth since it could further haze the glass. This dry wipe technique is a quick and safe method for regaining visibility in the case of sudden condensation.

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Extra Tips to Keep Windshield Crystal Clear

Keeping your car’s AC in working order does wonders. Getting the AC system serviced prior to the start of summer can prevent too much condensation problems afterwards. Clean cabin filters as well, since clogged filters can hold water and magnify the fog issue. A well-maintained ventilation system is the key to a safer ride.