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Your iPhone has an important signal ALL users must check in hot weather

YOUR iPhone is packed with handy features that can help you tackle the U.K. heatwave this week.

One reading in Apple’s Weather app warns you of potential sun damage to your skin, and lets you know when to use sunscreen.

The Apple Weather app is packed with handy features

The Apple Weather app is packed with handy featuresCrédit: Getty

The app added some helpful new features when iOS 15 was released last year, but there’s one you might have missed.

If you open Weather and scroll down you’ll eventually come across the day’s UV index.

This is an indicator of the strength of ultraviolet radiation coming from the sun.

A higher UV index number, which is measured on a scale from one to ten, indicates higher levels of UV radiation.

A higher index means you’ll need to take extra care to stick to the shade and slap on a high-factor sunscreen.

UV rays, either from the sun or from artificial sources like tanning beds, can cause sunburn.

Exposure to them can cause eye damage as well as premature ageing of the skin, wrinkles, liver spots and more.

Keep in mind that Apple’s UV index number is a forecast – meaning it’s not guaranteed to be accurate.

The California company gets its weather data from third-party sources, such as location weather services.

The iOS 15 update made a few more changes to the Weather app as well.

Apple acquired the Dark Sky app in 2020 and merged some of the features, including hyper local and minute-by-minute forecasts. Dark Sky’s iOS app and website will be shut down at the end of this year.

The app received a visual makeover, making it easier to navigate. It also added a global map with current temperatures.

The new update also features a weather map that tells you exactly where it’s going to rain.

You can also scroll along the time of day, so that you can see when it will rain the hardest in your area.

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