From heat to humidity, weather can affect how your hearing aids perform. Learn how to protect your devices in every season with simple, trusted tips. Hearing aids are everyday essentials — and just like your mobile phone or spectacles, they need care based on the weather. Even though the majority of contemporary hearing aids are made to last, improper handling of heat, moisture, and cold can still affect how well they work Here’s a reliable, easy-to-understand guide to help you protect your hearing aids throughout the year — rain or shine.