Tianjin's winters are extremely cold, with temperatures often plummeting below -20°C in January and February, but warming up slightly by March. Spring is a gradual warming period, with temperatures rising steadily from April to June, when highs can reach up to 36°C. Summers are hot and humid, with temperatures remaining consistently high from July to August, before gradually cooling down in September. Autumn brings milder temperatures, ranging from 1°C to 26°C, but still quite chilly by October, followed by a cold November and December.