Rain Check: a check when it rains

https://www.forbes.com/sites/alexledsom/2024/03/09/this-singapore-hotel-offers-a-refund-if-it-rains/?sh=4c73f4ea15aa

A Singapore hotel offers a refund equivalent to one night's stay if it rains during the guest's visit, affecting planned activities. This reflects a trend of climate-related insurance products, including similar offerings by hotels and insurance companies worldwide, like a French "sun guarantee" and a US/UK-based Weather Guarantee policy.