How Does Heat and High Humidity Affect My Vehicle?

All seasons have their pluses and minuses, but almost all of them have one thing in common - humidity. Another concern during the hotter months is heat - and when both are combined, things can get pretty bad for your car. Grab your shades as we embark on a journey under the scorching sun and humid rainy days!

The Steamy Science of High Humidity

Before we get into the nitty-gritty of how heat and humidity can affect your car, let's explore the science behind high humidity. When the air is saturated with moisture, it becomes less effective at cooling, both for you and your car. Humidity can make already hot temperatures feel even more sweltering, and that's just the tip of the iceberg.

Overheating Engine

Your engine is a workhorse, but it's not invincible. High temperatures combined with high humidity can put extra stress on your engine, leading to overheating. This can cause damage to critical components, such as the radiator, thermostat, or even the head gasket.

A/C Overload

Your car's air conditioning system is your best friend in the summer heat, but it, too, can be overwhelmed by excessive humidity. The A/C may struggle to remove moisture from the air, reducing its cooling efficiency and leaving you feeling muggy.

Battery Blues

Extreme heat and humidity can lead to a shortened lifespan for your car battery. The increased temperatures can accelerate the chemical reactions within the battery, causing it to wear out faster. This means more jump-starts and a shorter battery life.

Tire Troubles

Heat can cause your tire pressure to increase, potentially leading to a blowout if not properly managed. High humidity can also contribute to the deterioration of your tires over time.

Interior Impact

The interior of your car isn't safe from the effects of humidity. It can lead to mold and mildew growth, especially if you leave your windows closed in a humid environment. Not only is this unpleasant, but it can also harm your respiratory health.

Battling the Elements

Now that we've explored the challenges let's talk about how to protect your vehicle from the summer sizzle.

• Keeping up with routine maintenance is crucial. Ensure your cooling system is in top shape, change your engine coolant when recommended, and have your battery checked regularly.
• Whenever possible, park your car in the shade or use a sunshade to reduce interior temperatures. This will also help your A/C work more efficiently when you first start your car.
• Check your tire pressure regularly and keep it within the recommended range. Consider investing in summer tires designed for better performance in hot conditions.
• Use dehumidifiers or moisture-absorbing products to prevent mold and mildew growth inside your vehicle. Keep the interior clean and well-ventilated.

California Star is here to help with all of your preventative and regular maintenance - we are always one phone call away!