Climate: Changsha has a humid subtropical climate with longer summer and winter and shorter spring and autumn. Changsha has a humid subtropical climate and the mean annual temperature ranges between 16 - 18 ℃ (61 - 64 ℉). Even in coldest January, temperature seldom falls below 0 ℃ (32 ℉), averaging between 3 ℃ (37 ℉) and 8 ℃ (46 ℉). During the hot summer months, temperature during the day may go beyond 35 ℃ (95 ℉), and such days amounts to an average of 30 days in a year. This makes spring, autumn and winter the better seasons to travel to Changsha.
Summer and winter months last for about four months each, while spring and autumn are consequently shorter. Spring comes in mid-February and weather can be inconsistent. Temperature rises sharply in May when summer begins and stays mostly above 30 °C (86 °F) for the next three months. As autumn draws nearer, temperate weather predominates, with temperature averaging between 15 - 17 °C (59 - 63 °F). Winter, on the other hand, arrives in late November with a mean temperature of around 5 °C (41 °F).
Due to the peculiar terrain, the rainfall varies in different regions, ranging from 1,200 millimeters (47 inches) to 1,700 millimeters (67 inches). It is humid throughout the year, with an average of 152 rainy days a year.
