Set aside Yemen ones (of which I know nothing, but that likely has not that much rain), "mud" houses (which were once common in some regions of Italy, Abruzzo a

Set aside Yemen ones (of which I know nothing, but that likely has not that much rain), "mud" houses (which were once common in some regions of Italy, Abruzzo as an example) are usually plastered (with clay, and painted with lime), and have a roof that is usually protruding outside a little bit more than other types of houses in order to better protect the walls, but periodical maintenance/repainting was required to keep the walls dry. Check this (Italian, but understandable via Google translate): https://www.cronachepicene.it/2018/02/07/memoria-del-territorio-le-case-di-terra-cruda-nel-piceno/19553/ https://www.cronachepicene.it/2018/02/07/memoria-del-territo... If you search for "raw earth house" or "rammed earth" you will find similar examples in a few more "rainy" countries, including the UK. https://www.motherearthnews.com/diy/earthen-homes-zm0z12aszmat/ https://www.motherearthnews.com/diy/earthen-homes-zm0z12aszm... > First, the old adage: Give your buildings a good pair of boots and a hat. That means lifting your earthen walls up away from water on a solid foundation and covering them with big overhangs.