In one of Oona's letters she says quite the opposite, that he would get claustrophobic with all the snow, and he'd talk about going to Marrakesh just to get to see the sun again.
Oona is a feminine given name. It is an Anglicisation of the Irish-language name Úna. Apart from Ireland, it is also a popular name in Finland. A variant spelling of Oona is Oonagh.