Why do car batteries tend to act up more during colder weather?

December 3rd, 2012 by

Dead batteries can happen at any time of the year, but they’re far more common in the winter.

Here’s why:

When temperatures dip, oil inside your car’s engine is colder and thicker. Getting an engine to turn over under such circumstances simply takes a little extra oomph from your battery.

But that’s only part of the problem. With below-freezing temps, your battery doesn’t have much extra oomph. In fact, batteries tend to generate a weaker electrical current during extremely cold weather.

So, what can you do?

Have your battery checked by a service technician, especially if it’s more than a few years old. It’s always best to address any mechanical issues BEFORE they become emergencies.

If possible, park your car in a garage. This will keep the battery a tad warmer than if you park outside.

Finally, keep jumper cables and a roadside emergency kit in your vehicle – just in case you get stranded.