On 24 July 2011, played his 100th Liga I match, in Vaslui's opening game against Rapid Bucureşti. He is only the second Vaslui player, to achieve this feat, joining Bogdan Buhuş. On 18 August, Temwanjera scored his first goal of the season as he netted Vaslui's first in a 2–0 home win over Sparta Prague, helping his team qualifying for the first time in the UEFA Europa League's Group Stages. Three days later, he scored his first league goal of the season, in a 2–1 home defeat against newly promoted Ceahlăul Piatra Neamţ. One week later, he scored the 2–1 winning goal for Vaslui, against FC Braşov. On 11 September, he scored the equaliser against Dinamo Bucureşti, counting his third league goal in a row. Vaslui went on winning with 3–1. Four days later, he won a penalty that gave Vaslui a 2–1 lead in the first match from the group stages of UEFA Europa League against Lazio, after Wesley converted from the spot. The game eventually ended a 2–2 draw. He scored his second goal in UEFA Europa League against FC Zurich in 2–2 draw. On 7 May 2012, he scored a hattrick against Gaz Metan Mediaş.He ended the season with a total of 7 goals in Liga I.