Decimeter
    Sound Reference

    How Loud Is a Thunder?

    110–120 dB
    Safe exposure
    Instantaneous exposure — protection not usually practical
    Risk category
    danger

    What does 110–120 dB sound like?

    A nearby thunderclap can peak at 120 dB. Distant thunder measures 70–80 dB.

    How it compares

    Because thunder is impulsive and brief, it rarely causes hearing damage on its own — but very close lightning strikes have caused temporary hearing loss in witnesses.

    How to protect your hearing

    • Move indoors during thunderstorms
    • Cover your ears if lightning strikes very close by

    Measure the actual dB level of your environment with our free online decibel meter, or estimate your cumulative daily exposure with the noise exposure calculator.

    Learn more

    See the full dB chart
    Compare thunder with other common sounds
    What is a decibel?
    Understand the dB scale and how it works

    Related sounds

    130–150 dB
    Jet Engine
    70–80 dB
    Vacuum Cleaner
    85–95 dB
    Lawn Mower
    100–120 dB
    Rock Concert

    Frequently asked questions

    How loud is a Thunder?

    A thunder measures 110–120 dB. A nearby thunderclap can peak at 120 dB. Distant thunder measures 70–80 dB.

    What is the safe exposure time for a thunder?

    The recommended safe exposure time for a thunder is Instantaneous exposure — protection not usually practical.

    How does a thunder compare to other sounds?

    Because thunder is impulsive and brief, it rarely causes hearing damage on its own — but very close lightning strikes have caused temporary hearing loss in witnesses.

    How can I protect my hearing from a thunder?

    Move indoors during thunderstorms Cover your ears if lightning strikes very close by