Hanoi experiences a tropical monsoon climate with clear four seasons. Spring is warm, mostly light with rains, and pays a fine tribute to colorful flowers and other plants. Summer is hot, sometimes rainy, backed up by cool sea winds, which spring up from early afternoon till late evening. Autumn is cool and dry; it wafts, in fact, aromas of fresh fruits and vegetables. Typhoons and floods occasion the turning of the seasons, while winters are relatively temperate; this season is characterized by high degrees of cold- from 14 to 18 degrees Celsius at times plunging to 10-. The average annual rainfall amounts to 1676 mm. The highest temperatures occur in June, with an average of 28.8 degrees Celsius, and in January, when the average temperature is 16.5 degrees Celsius. The maximum temperature is 42.8 degrees Celsius and the minimum temperature reaches 2.7 degrees Celsius. Humidity amounts to about 80% or less.