Chengdu Station Car Rental to introduce you to the four seasons of weather changes 


 An, Chengdu climate characteristics 
 Chengdu subtropical humid monsoon climate zone. Due to geographical location, terrain and surface, the influence of geographical conditions, but also has a significant vertical climate and the microclimate. Plains hills belonged to the Sichuan Basin in the sub-tropical humid and semi-humid climate, a mild climate with four distinct seasons, a long frost-free period, plenty of rain and less sunlight. Mountain is a "basin-week mountain" cool wet climate zone, more than 1300 meters above sea level in the low mountains cold weather in summer and short winter long to winter long summer heat is less than normal rainfall, often shrouded in clouds, less year-round sunshine, altitude more than 3000 m high mountains, cold climate, long frost-free period, light and more, an alpine climate, forming a spring long warm summer and short in light condition, the cool autumn air, rain rain, cold winter frost and snow, and more "exotic mountain climate characteristics. 


 Second, the climate factor (1990 - 2005) 
 1, Chengdu temperature 
 (1) year, the monthly average temperature 
 The city's average temperature is 15.6 to 16.9 ° C, the average winter temperature of 6.2 ~~ 7.7 ° C, the spring temperature of 13.6 15.1 ° C, summer temperatures of 23.2 to 24.6 ° C, autumn temperature of 16.3 ~ 17.6 ° C. The hottest month in July, the average monthly temperature of 25.0 ~ 26.3 ° C, the coldest month in January, with an average temperature of 5.0 ~~ 6.2. 
 (2) Chengdu extreme temperatures 
 The city's extreme maximum temperature of 35.5 ~ 37.7 ℃, generally in July; the city's extreme minimum temperature of -5.1 ~ -3.6 ° C, most of the cities and counties in December, a small part in January. 
 (3) stable by 10 ℃ early sunrise in mid-March now, all day in late November. 
 2, Chengdu precipitation 
 (1) The annual average precipitation 
 The city's annual average rainfall of 759.1 
 1155.0 mm, which, rainfall of 1000 mm, cities and counties: Chongzhou Dujiangyan, Pujiang, QIONGLAI, Dayi. Changes in precipitation during the year was a single peak. Up to appear in August, the monthly precipitation of 199.2 to 258.1 mm; least common in January, monthly precipitation of 4.3 to 19.0 mm. Spring precipitation (March to May) was 121.2 to 208.1 mm, accounting for the year 15 ~ 22%; summer precipitation was 460.7 to 628.7 mm, accounting for the year 50 ~ 60%; autumn rainfall of 135.9 ~ 286.2 mm % of total annual precipitation of 17 to 25 percent; winter precipitation is 21.4 to 52.8 mm, representing about 4% of annual precipitation. 
 (2) storm characteristics 
 The torrential rain days in the city's annual average of two to four days, July, and August up to an average of one day. The final period heavy rain early in April and September respectively. The city's day maximum rainfall of 143.1 ~ 
 356.6 mm. 
 3, Chengdu, sunshine hours 
 The annual average sunshine hours of 825.7 to 1202.9 hours, annual total sunshine hours most Jintang, a minimum of Dujiangyan. Throughout the year to January 2 December, at least, the monthly sunshine hours was 31.5 to 56.4 hours, hours of sunshine a maximum of 109.5 to 153.9 hours in July and August. 
 4, humidity and evaporation 
 (1) Chengdu humidity 
 The annual average relative humidity of 79 ~ 84%, of which 4 May, the relative humidity generally below 80%, and the remaining months the relative humidity above 80%. 
 (2) evaporation 
 The average annual evaporation is 841.1 
 1066.1 mm, which, Dujiangyan, Pengzhou, Pujiang annual evaporation is less than 900 mm, the Wen River, Pi County, Longquanyi, double, the new capital, Chengdu, Jintang evaporation in precipitation. Evaporation in most months, from 115 to 152.1 mm in May, evaporation, evaporation least month on 12 January, the monthly evaporation of 24.7 to 33.1 mm. 
 5, the wind 
 The city in most parts of the dominant wind direction is NE and of NNE Dujiangyan NW year accounted for 7 to 11%, the frequency of calm wind throughout the year 32 ~ 55%. 
 6, snow 
 The city's average snowfall days 2 to 4 days, which Pixian for four days. 
 7, confront the number of days 
 The city's sunny days (average total cloud amount <2%) for 10 to 19 days. Cloudy (average total cloud amount> 80%) the number of days 18 to 23 days. 





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