Port Coquitlam's climate is characterized by mild winters, with temperatures ranging from around freezing to just above in January and February. As spring arrives, temperatures gradually warm up, reaching average highs of over 20°C by May and June, with occasional heatwaves that can push temperatures into the mid-30s. Summer days are generally pleasant, with temperatures often staying within a comfortable range, while autumn brings a return to cooler conditions, with temperatures dropping back down towards freezing by November. Winters are generally cool but not extremely cold, with some warmer spells in January and December. Overall, the city experiences a moderate climate with distinct seasonal variations.