Taiyuan enjoys a warm temperate continental monsoon climate, with the annual average temperature of 9.3 ℃ (48.7 F). It has distinct wet and dry seasons, featuring hot humid summer, long, cold and windy winter and short windy autumn and spring. In spring, there is strong sunshine and it’s very windy. Thus, sunglasses and sunhats are necessary. There is no extreme heat in summer or severe cold in winter, but there is large temperature difference between day and night. Taiyuan has sufficient sunshine throughout the year, with the annual sunshine duration of about 2,808 hours. The coldest month is January, with the monthly average temperature of 6.8℃, and the hottest month is July, with the average temperature of 23.5℃. The annual precipitation amounts to 456 mm. The best time to visit Taiyuan is from May to June and from September to October when the weather is relatively comfortable.
Spring (March to May)
Spring lasts from March to May in Taiyuan, with the temperature ranging from 9℃ to 12℃. The temperature rebounds rapidly and there is abundant sunshine and little rainfall. The rainfall only amounts to 50 mm to 65 mm, accounting for 14% of the total. There are many windy days, accounting for 40% to 60% of the whole year. Besides, sand blown by the wind brings inconvenience for people. While traveling to Taiyuan in spring, sunglasses and sunhats are requisite. The soil won’t get thawed until mid-March. The temperature ranges from -2.78 ºC to 11.11 ºC in March, from 4.44 ºC to 18.89 ºC in April and from 10 ºC to 25 ºC in May.
Summer (June to August)
Summer lasts from June to August in Taiyuan, which is hot and humid. Rainy season mainly concentrates from late July to mid August, whose rainfall accounts for over 60% of the whole year. The hottest month is July, with the temperature ranging from 17.78 ºC to 28.89 ºC. The temperature ranges from 14.44 ºC to 28.33 ºC in June and from 16.67 ºC to 27.78 ºC in August.
Autumn (September to November)
Autumn lasts from September to November in Taiyuan, with the temperature ranging from 8℃ to 10℃. It boasts very sunny days and the temperature drops rapidly. The temperature ranges from 10℃ to 27.78℃ in September, from 3.89℃ to 17.22℃ in October and from -3.33℃ to 8.89℃ in November. For packing, long-sleeved T-shirts, sweaters and sunglasses are necessary.
Winter (December to February)
Winter lasts from December to the following February, which is chilly, sunny and dry, with the average temperature ranging from -9℃ to -5℃. The coldest month is January, with the temperature ranging from -12.22℃ to 1.11℃. The precipitation averages from 8 to 14mm, accounting for about 3% of the total. Sunny days last for about 40 days, accounting for 40% of the total.