Why it’s snowing in Hawaii in June

Canada France Hawaii Telescope

If you’re familiar with Hawaii’s weather, you know snow on Mauna Kea’s summit is nothing new.

It is, however, unusual to see wintry conditions in June.

Temperatures at the summit are typically warmer over the summer, but that wasn’t the case Monday night when a cold pool of air caused them to dip below freezing.

At the same time, thunderstorms moved in, which brought moisture to the upper atmosphere and created a dusting of snow.

It’s rare to see this combination in the summer versus winter, which is ripe with colder temperatures and frequent storm activity (regular rain won’t reach this elevation).

We may see another round of snow Tuesday night before temperatures warm back up.

Click here for more information on conditions at the summit.

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