China spans 50 degrees of latitude from Mohe in Heilongjiang Province at 53°N to the Nansha Islands in the South China Sea at 3°N and covers five climate zones: cold temperate, mid-temperate, warm temperate, subtropical, and tropical. The landmass extends 5,200 kilometers east to west and 5,500 kilometers north to south across 9,600,000 square kilometers. The Tibetan Plateau averages 4,500 meters elevation and creates a rain shadow affecting two-thirds of the country while the southeast coast receives monsoonal moisture from the Pacific. Beijing at 39°N experiences continental extremes with January averages of minus 4 degrees Celsius and July averages of 26 degrees Celsius. Shanghai at 31°N falls within the humid subtropical zone with January averages of 4 degrees Celsius and July averages of 28 degrees Celsius. Guangzhou at 23°N registers January averages of 13 degrees Celsius and July averages of 29 degrees Celsius. Harbin at 45°N records January averages of minus 19 degrees Celsius and July averages of 23 degrees Celsius. Urumqi at 43°N in the rain shadow of the Tian Shan Mountains records January averages of minus 13 degrees Celsius and July averages of 24 degrees Celsius with annual precipitation below 300 millimeters. Lhasa at 3,650 meters elevation records January averages of minus 2 degrees Celsius and July averages of 17 degrees Celsius with 450 millimeters annual precipitation concentrated in summer months.
January brings minus 25 to minus 15 degrees Celsius daily highs across Heilongjiang Province where the Songhua River freezes to depths exceeding one meter. Harbin hosts the International Ice and Snow Sculpture Festival from January 5 through late February with structures carved from Songhua River ice blocks weighing up to 10,000 kilograms each. Beijing records 3 millimeters average precipitation in January with relative humidity below 40 percent. The Forbidden City and Temple of Heaven receive fewer than 50,000 daily visitors in January compared to 150,000 daily in July. Shanghai receives 48 millimeters precipitation in January with temperatures between 1 and 8 degrees Celsius. Guangzhou maintains 15 to 21 degrees Celsius in January with 43 millimeters precipitation. Hainan Island sustains 18 to 25 degrees Celsius in January with Sanya receiving 13 millimeters precipitation. The Tibetan Plateau records minus 10 to 5 degrees Celsius daytime temperatures in January with night temperatures dropping below minus 20 degrees Celsius at elevations above 4,500 meters. Lhasa receives 0.3 millimeters average precipitation in January under clear skies 28 days per month. The Taklamakan Desert records minus 10 to minus 5 degrees Celsius in January with zero precipitation. Kunming at 1,890 meters elevation maintains 8 to 17 degrees Celsius through January with 15 millimeters precipitation.
February continues continental cold across northern regions with Beijing recording minus 2 to 6 degrees Celsius and 6 millimeters precipitation. Harbin maintains minus 20 to minus 8 degrees Celsius through mid-February. The Spring Festival lunar new year falls between January 21 and February 20 depending on the lunar calendar and generates domestic travel exceeding 3 billion trips during the 40-day chunyun period. Shanghai warms to 3 to 9 degrees Celsius in February with 59 millimeters precipitation. Guangzhou reaches 13 to 19 degrees Celsius with 69 millimeters precipitation as the plum rain season begins. Chengdu in the Sichuan Basin records 6 to 12 degrees Celsius with 13 millimeters precipitation and persistent fog reducing visibility below 1,000 meters on 15 days per month. Guilin along the Li River records 8 to 15 degrees Celsius with 62 millimeters precipitation. Xi'an on the Loess Plateau records 0 to 8 degrees Celsius with 9 millimeters precipitation. Urumqi remains minus 12 to minus 4 degrees Celsius through February. Lhasa warms to minus 1 to 9 degrees Celsius with 1.3 millimeters precipitation and solar radiation exceeding 200 watts per square meter daily average.
March initiates the transition to continental spring across northern China with Beijing warming to 4 to 13 degrees Celsius and 9 millimeters precipitation. Dust storms originating in the Gobi Desert reach Beijing on 3 to 5 days in March reducing visibility below 500 meters and depositing 20 to 30 tons of particulate matter per square kilometer. Shanghai records 8 to 13 degrees Celsius with 82 millimeters precipitation as the East China Sea monsoon strengthens. Hangzhou near West Lake records 9 to 15 degrees Celsius with 120 millimeters precipitation. Suzhou in the Yangtze River Delta records similar temperatures with classical gardens receiving peak visitation before April heat. Nanjing records 7 to 15 degrees Celsius with 79 millimeters precipitation. Chengdu warms to 11 to 17 degrees Celsius with 23 millimeters precipitation. Kunming maintains 11 to 21 degrees Celsius with 16 millimeters precipitation earning designation as the City of Eternal Spring. Guangzhou reaches 17 to 23 degrees Celsius with 85 millimeters precipitation. Lhasa warms to 1 to 12 degrees Celsius with 3.7 millimeters precipitation. Mount Everest base camp on the Tibet side at 5,200 meters remains minus 15 to minus 5 degrees Celsius through March with climbing expeditions beginning approach treks.
April brings 13 to 20 degrees Celsius to Beijing with 26 millimeters precipitation and flowering of ornamental peach trees in the Forbidden City and Summer Palace. The Great Wall sections near Beijing including Badaling and Mutianyu receive 80,000 daily visitors on peak April weekends. Shanghai warms to 14 to 20 degrees Celsius with 74 millimeters precipitation. Huangshan in Anhui Province records 10 to 18 degrees Celsius with 180 millimeters precipitation and cloud cover obscuring the granite peaks on 20 days per month. Jiuzhaigou Valley in northern Sichuan at elevations between 2,000 and 3,100 meters records 8 to 18 degrees Celsius with snowmelt filling the calcite-deposited lakes to peak color. Zhangjiajie in Hunan Province records 15 to 23 degrees Celsius with 160 millimeters precipitation and mist forming around the 3,000 sandstone pillars. Guilin records 18 to 26 degrees Celsius with 260 millimeters precipitation as the Li River reaches annual high flow. Guangzhou reaches 21 to 27 degrees Celsius with 182 millimeters precipitation. Lhasa records 4 to 16 degrees Celsius with 8.2 millimeters precipitation. Urumqi warms to 10 to 18 degrees Celsius with 38 millimeters precipitation as Tian Shan snowmelt begins.
May brings 19 to 26 degrees Celsius to Beijing with 35 millimeters precipitation. Shanghai records 19 to 25 degrees Celsius with 84 millimeters precipitation. Chengdu reaches 18 to 26 degrees Celsius with 81 millimeters precipitation. Xi'an records 16 to 25 degrees Celsius with 52 millimeters precipitation with the Terracotta Army pits maintaining 18 degrees Celsius year-round in climate-controlled halls. Qingdao on the Yellow Sea coast records 15 to 21 degrees Celsius with 46 millimeters precipitation as Tsingtao Brewery increases production for summer demand. Dalian on the Liaodong Peninsula records 14 to 20 degrees Celsius with 49 millimeters precipitation. Wuhan at the confluence of the Yangtze and Han Rivers records 20 to 27 degrees Celsius with 145 millimeters precipitation. Guangzhou reaches 24 to 30 degrees Celsius with 283 millimeters precipitation as the pre-summer rainy season intensifies. Shenzhen records similar conditions with relative humidity exceeding 80 percent. Lhasa warms to 8 to 20 degrees Celsius with 25 millimeters precipitation as Mount Everest climbing season peaks between May 10 and May 25. Kunming maintains 17 to 24 degrees Celsius with 99 millimeters precipitation.
June marks the onset of summer monsoon across southern and eastern China with Shanghai recording 23 to 28 degrees Celsius and 180 millimeters precipitation concentrated in 15 rain days. Beijing reaches 22 to 30 degrees Celsius with 71 millimeters precipitation. Hangzhou records 23 to 29 degrees Celsius with 189 millimeters precipitation as plum rains drench the Yangtze River Delta. Nanjing reaches 23 to 30 degrees Celsius with 180 millimeters precipitation and relative humidity above 80 percent. Wuhan records 24 to 31 degrees Celsius with 216 millimeters precipitation earning inclusion among China's traditional three furnace cities along with Chongqing and Nanjing. Chongqing at the junction of the Yangtze and Jialing Rivers records 23 to 31 degrees Celsius with 181 millimeters precipitation and fog persisting through morning hours. Guangzhou reaches 26 to 32 degrees Celsius with 276 millimeters precipitation. Guilin records 24 to 31 degrees Celsius with 331 millimeters precipitation as the Li River reaches flood stage. Chengdu records 21 to 28 degrees Celsius with 116 millimeters precipitation. Lhasa reaches 11 to 23 degrees Celsius with 64 millimeters precipitation as the monsoon breaches the Himalayas. Urumqi records 18 to 27 degrees Celsius with 24 millimeters precipitation under clear skies. Turpan Basin in Xinjiang 154 meters below sea level records 28 to 38 degrees Celsius in June with ground temperatures exceeding 70 degrees Celsius.
July brings peak heat and humidity across eastern China with Beijing recording 26 to 31 degrees Celsius and 176 millimeters precipitation concentrated in afternoon thunderstorms. Shanghai reaches 27 to 32 degrees Celsius with 147 millimeters precipitation and relative humidity above 80 percent. Nanjing records 27 to 33 degrees Celsius with 196 millimeters precipitation. Wuhan reaches 27 to 33 degrees Celsius with 224 millimeters precipitation. Chongqing records 26 to 34 degrees Celsius with 142 millimeters precipitation. Hangzhou reaches 27 to 33 degrees Celsius with 145 millimeters precipitation as West Lake water temperature reaches 28 degrees Celsius. Guangzhou records 26 to 33 degrees Celsius with 228 millimeters precipitation. Shenzhen maintains similar conditions with afternoon temperatures regularly exceeding 35 degrees Celsius. Hainan Island records 26 to 33 degrees Celsius with 247 millimeters precipitation and typhoons tracking through the South China Sea. Kunming maintains 19 to 25 degrees Celsius with 201 millimeters precipitation. Lhasa reaches 11 to 23 degrees Celsius with 122 millimeters precipitation accounting for one-quarter of annual total. Urumqi records 20 to 30 degrees Celsius with 18 millimeters precipitation. Turpan Basin reaches 33 to 42 degrees Celsius with the Flaming Mountains recording surface temperatures above 80 degrees Celsius. Mohe in northernmost Heilongjiang experiences 18 to 25 degrees Celsius with 20 hours daylight at summer solstice.
August continues monsoon conditions with Shanghai recording 27 to 32 degrees Celsius and 133 millimeters precipitation. Beijing records 25 to 30 degrees Celsius with 182 millimeters precipitation marking the wettest month. Tianjin records 25 to 30 degrees Celsius with 140 millimeters precipitation. Qingdao reaches 24 to 28 degrees Celsius with 122 millimeters precipitation as Yellow Sea water temperature peaks at 25 degrees Celsius. Wuhan maintains 27 to 33 degrees Celsius with 115 millimeters precipitation. Chengdu records 22 to 29 degrees Celsius with 195 millimeters precipitation. Guangzhou records 26 to 33 degrees Celsius with 261 millimeters precipitation and typhoons making landfall 2 to 3 times per season depositing 200 to 400 millimeters in 24-hour periods. The Pearl River Delta records peak flood risk with the Pearl River at Guangzhou reaching 3 meters above normal flow. Guilin records 25 to 32 degrees Celsius with 179 millimeters precipitation. Lhasa maintains 10 to 22 degrees Celsius with 124 millimeters precipitation. Mount Wutai in Shanxi Province at 3,058 meters elevation records 10 to 18 degrees Celsius with 188 millimeters precipitation. Kunming records 19 to 24 degrees Celsius with 214 millimeters precipitation. Urumqi maintains 19 to 28 degrees Celsius with 14 millimeters precipitation.
September marks the transition to autumn with Beijing cooling to 20 to 26 degrees Celsius and 49 millimeters precipitation. Shanghai records 24 to 28 degrees Celsius with 130 millimeters precipitation as typhoon season continues through mid-September. Hangzhou cools to 23 to 28 degrees Celsius with 131 millimeters precipitation. Xi'an records 18 to 25 degrees Celsius with 91 millimeters precipitation with clear skies increasing to 20 days per month. Chengdu maintains 19 to 25 degrees Celsius with 110 millimeters precipitation. Wuhan cools to 22 to 28 degrees Celsius with 81 millimeters precipitation. Guangzhou records 24 to 31 degrees Celsius with 213 millimeters precipitation. Guilin cools to 21 to 29 degrees Celsius with 79 millimeters precipitation as river levels recede. Lhasa cools to 8 to 20 degrees Celsius with 66 millimeters precipitation. Urumqi cools to 13 to 22 degrees Celsius with 14 millimeters precipitation. Kashgar in southwestern Xinjiang records 15 to 26 degrees Celsius with 4 millimeters precipitation. Dunhuang in Gansu Province records 14 to 25 degrees Celsius with 4 millimeters precipitation as the Mogao Caves receive peak autumn visitation. Kunming maintains 17 to 23 degrees Celsius with 119 millimeters precipitation.
October brings clear autumn conditions across northern China with Beijing recording 13 to 19 degrees Celsius and 19 millimeters precipitation. The Fragrant Hills northwest of Beijing display peak fall foliage between October 15 and October 30 with sumac and smoke trees turning red across 1,600 hectares. Shanghai cools to 19 to 24 degrees Celsius with 55 millimeters precipitation. Suzhou records 18 to 23 degrees Celsius with 57 millimeters precipitation as the Classical Gardens of Suzhou receive peak visitation. Huangshan cools to 11 to 17 degrees Celsius with 67 millimeters precipitation and cloud inversions forming below the peaks on 15 mornings per month. Zhangjiajie records 15 to 22 degrees Celsius with 91 millimeters precipitation. Chengdu cools to 15 to 21 degrees Celsius with 42 millimeters precipitation. Chongqing records 16 to 21 degrees Celsius with 53 millimeters precipitation. Xi'an cools to 12 to 19 degrees Celsius with 58 millimeters precipitation. Wuhan records 17 to 23 degrees Celsius with 86 millimeters precipitation. Guangzhou cools to 21 to 28 degrees Celsius with 79 millimeters precipitation. Guilin records 17 to 25 degrees Celsius with 78 millimeters precipitation as Li River mist forms in early morning hours. Lhasa cools to 2 to 16 degrees Celsius with 13 millimeters precipitation. Urumqi cools to 5 to 13 degrees Celsius with 22 millimeters precipitation as first snow falls in the Tian Shan Mountains above 3,000 meters. Kunming maintains 14 to 21 degrees Celsius with 103 millimeters precipitation.