This depends on the model’s IP rating (e.g. IP65), where the second digit refers to water resistance.
Generally, a rating of 5 or higher indicates good water resistance – models carrying this rating can usually be ridden in the rain.
You can find out more by checking out our handy blog post on the subject: Are e-scooters waterproof?
Remember: it’s always worth checking that the model’s warranty also covers water resistance to the IP rating standard. This is a good sign of the manufacturer’s confidence in the quality of its products and ensures that you’ll be covered if something goes wrong.