Barcelona recorded its hottest month of June since records started over a century ago, Spain's national weather service said on Tuesday as Europe remained in the grip of the first major heat wave this summer.

The worst heat was felt in southern Europe, while punishing temperatures were forecast to reach 104 degrees Fahrenheit in Paris and remain unusually high in Belgium and the Netherlands.

As Europe buckles under a punishing heat wave, residents and summer travelers are struggling to find relief. Here’s how and where to look for respite.