Moortebeek's climate is characterized by mild winters with average temperatures ranging from around 2°C in January to 5°C in December. Spring brings gradual warming, with temperatures steadily increasing from 6°C in February to 18°C in June. Summer months are warm, but not hot, with July and August averaging around 17-18°C. Autumn is similar to spring, with temperatures cooling down from October's 11°C to November's 6°C.