Pneumatic tire

Pneumatic tire having a tread portion (1), sidewall portions (2) and means (6) for preventing water droplets from being thrown during travelling on a wet road surface, the prevention means (6) being provided on an outer surface of a sidewall portion (2) on the tread portion side thereof, the prevention means (6) having a plurality of projection pieces (7) extending in a circumferential direction of the tire, the plurality of projection pieces (7) being circularly arranged on the outer surface of the sidewall portion (2)in such a manner that the plurality of projection pieces (7) extend in an inclined manner with respect to the circumferential direction of the tire, the projection pieces (7) adjacent to each other being placed so as to partially overlap each other when viewed in the radial direction of the tire so that there is no space between projection pieces (7) adjacent to each other when viewed in a radial direction of the tire, wherein the tread portion (1) has a tread surface, and the plurality of projection pieces each have opposite longitudinal ends, the plurality of projection pieces each being gradually lower in projection height from one longitudinal end thereof nearer to the tread surface toward the other longitudinal end thereof.