Hawaii's regular sunshine, short rain showers and clean air come together to create some of the planet's best conditions for viewing rainbows. They're such a frequent sight that a University of Hawaii ...

They’re such a frequent sight that a University of Hawaii professor calls the state the “rainbow capital of the world.” Right now it’s the winter rainy season in the islands, which means ...

The sunshine, short rain showers and clean air in the US state of Hawaii create some of the planet’s best conditions for ...

Hawaii has been dubbed the “rainbow capital of the world” due to the islands’ regular sunshine, rain showers and clean air.