Vehicle tyre equipped with temperature indicator

The invention relates to a vehicle tyre comprising a tread (1) in road contact, which comprises a surface (2) that gets in road contact during free rotation of the tyre and two shoulder areas (3) on each side of the central plane (K), and located in order, on each side of the tread and symmetrically to the central plane, two tread wing areas (4) extending the shoulder areas and two sidewalls (5). The tyre of the invention is characterised by at least part of the tyre being made of a material that varies in colour with the temperature.