Winters in Asker, Norway are cold and snowy, with temperatures often below freezing, averaging around -2°C in January. Spring brings a gradual warming trend, with temperatures rising steadily throughout the months of March and April, reaching averages of 4-5°C by May. Summers are mild to warm, with July being the warmest month, averaging 17°C, while August is slightly cooler at 15°C. Autumn is characterized by a decline in temperature, returning to cooler averages around 9°C by October, before dropping again into winter. Overall, temperatures remain relatively stable throughout the year, rarely dipping below -20°C or rising above 30°C.