Palluau has an oceanic climate (Köppen climate classificationCfb). The average annual temperature in Palluau is 12.6 °C (54.7 °F). The average annual rainfall is 928.6 mm (36.56 in) with November as the wettest month. The temperatures are highest on average in August, at around 19.7 °C (67.5 °F), and lowest in January, at around 6.3 °C (43.3 °F). The highest temperature ever recorded in Palluau was 41.7 °C (107.1 °F) on 18 July 2022; the coldest temperature ever recorded was −10.6 °C (12.9 °F) on 2 January 1997.
Climate data for Palluau (1991−2020 normals, extremes 1989−present)