Ultuna is known for sharing (with Målilla, Småland) Sweden's heat record of 38.0°C (100.4°F), which was recorded on 9 July 1933.[4]
The name
The name, originally the name of an estate, is first recorded in 1221 ("in villa Wlertune"). The first element is the genitive case of the name of the Norse god Ullr. The last element is tuna 'enclosed field'.[5]