Editing Chengdu (section)

===Climate===
Chengdu has a [[monsoon]]-influenced [[humid subtropical climate]] ([[Köppen climate classification|Köppen]] ''Cwa'') and is largely warm with high [[relative humidity]] all year. It has four distinct seasons, with moderate rainfall concentrated mainly in the warmer months, and relieved from both sweltering summers and freezing winters. The [[Qin Mountains]] (Qinling) to the far north help shield the city from cold [[Siberian anticyclone|Siberian winds]] in the winter; because of this, the short winter is milder than in the Lower [[Yangtze River|Yangtze]]. The 24-hour daily mean temperature in January is {{convert|5.9|°C|1}}, and snow is rare but there are a few periods of frost each winter. The summer is hot and humid, but not to the extent of the "[[Three Furnaces]]" cities of [[Chongqing]], [[Wuhan]], and [[Nanjing]], all of which lie in the Yangtze basin.<ref>{{cite web |url = http://www.gzkp.org.cn/show.aspx?id=180&cid=5 |script-title = zh:为什么重庆、武汉、南京有"三大火炉"之称？ |publisher = Guangzhou Popular Science News Net ({{lang|zh-hans|广州科普资讯网}}) |language = zh-cn |date = 12 September 2007 |access-date = 29 November 2010 |url-status = dead |archive-url = https://web.archive.org/web/20141112042247/http://www.gzkp.org.cn/show.aspx?id=180&cid=5 |archive-date = 12 November 2014
}}</ref> The 24-hour daily mean temperature in July and August is around {{convert|25|°C}}, with afternoon highs sometimes reaching {{convert|33|°C}}; sustained heat as found in much of eastern China is rare. Rainfall occurs most frequently and is concentrated in July and August, with very little of it in the cooler months. Chengdu also has one of the lowest annual sunshine totals nationally,<ref>{{Cite web |last=腾讯网 |date=2024-01-16 |title=确认了，成都人都是属向日葵的！_腾讯新闻 |url=https://new.qq.com/rain/a/20240116A07HC500 |access-date=2024-09-07 |website=news.qq.com |language=zh-CN |archive-date=7 September 2024 |archive-url=https://web.archive.org/web/20240907210505/https://new.qq.com/rain/a/20240116A07HC500 |url-status=live }}</ref><ref>{{Cite web |title=60年来最低！成都今年10月日照时数仅有14.6小时 - 中国网 |url=http://sc.china.com.cn/2021/yaowen_1104/425209.html |access-date=2024-09-07 |website=sc.china.com.cn |archive-date=7 September 2024 |archive-url=https://web.archive.org/web/20240907210509/http://sc.china.com.cn/2021/yaowen_1104/425209.html |url-status=live }}</ref> with less sunshine annually than much of Northern Europe.{{Citation needed|date=September 2024}} With monthly percent possible sunshine ranging from 15 percent in December to 32 percent in August, the city receives 1006 hours of bright sunshine annually. Spring (March–April) tends to be sunnier and warmer in the day than autumn (October–November). The annual mean is {{convert|16.9|°C|1}}, and extremes have ranged from {{convert|−6.5|°C|0}} to {{convert|39.4|°C}}.

{{Weather box
| metric first = y
| single line = y
| collapsed = Y
| location = Chengdu ([[Shuangliu District]]), elevation {{convert|495|m|ft|abbr=on}}, (1991–2020 normals, extremes 1951–present)
| Jan high C = 9.8
| Feb high C = 12.7
| Mar high C = 17.5
| Apr high C = 23.3
| May high C = 27.0
| Jun high C = 28.9
| Jul high C = 30.6
| Aug high C = 30.6
| Sep high C = 26.2
| Oct high C = 21.3
| Nov high C = 16.7
| Dec high C = 11.2
| Jan mean C = 6.0
| Feb mean C = 8.5
| Mar mean C = 12.6
| Apr mean C = 17.6
| May mean C = 21.6
| Jun mean C = 24.2
| Jul mean C = 25.8
| Aug mean C = 25.5
| Sep mean C = 21.9
| Oct mean C = 17.5
| Nov mean C = 12.8
| Dec mean C = 7.5
| year mean C = 
| Jan low C = 3.3
| Feb low C = 5.5
| Mar low C = 9.0
| Apr low C = 13.6
| May low C = 17.6
| Jun low C = 20.8
| Jul low C = 22.5
| Aug low C = 22.1
| Sep low C = 19.2
| Oct low C = 15.1
| Nov low C = 10.2
| Dec low C = 4.9
| Jan record high C = 18.9
| Jan record low C = −6.5
| Feb record high C = 25.5
| Feb record low C = −2.6
| Mar record high C = 31.8
| Mar record low C = −1.8
| Apr record high C = 35.1
| Apr record low C = 4.0
| May record high C = 37.3
| May record low C = 6.3
| Jun record high C = 37.5
| Jun record low C = 14.2
| Jul record high C = 38.6
| Jul record low C = 16.6
| Aug record high C = 40.2
| Aug record low C = 16.0
| Sep record high C = 37.4
| Sep record low C = 12.2
| Oct record high C = 31.9
| Oct record low C = 3.1
| Nov record high C = 26.2
| Nov record low C = 0.2
| Dec record high C = 21.3
| Dec record low C = −5.9
| precipitation colour = green
| Jan precipitation mm = 8.9
| Feb precipitation mm = 12.4
| Mar precipitation mm = 23.6
| Apr precipitation mm = 47.5
| May precipitation mm = 76.8
| Jun precipitation mm = 122.5
| Jul precipitation mm = 238.2
| Aug precipitation mm = 198.8
| Sep precipitation mm = 116.5
| Oct precipitation mm = 43.1
| Nov precipitation mm = 15.9
| Dec precipitation mm = 7.0
| Jan humidity = 82
| Feb humidity = 79
| Mar humidity = 77
| Apr humidity = 76
| May humidity = 73
| Jun humidity = 78
| Jul humidity = 83
| Aug humidity = 83
| Sep humidity = 84
| Oct humidity = 83
| Nov humidity = 82
| Dec humidity = 82
| unit precipitation days = 0.1 mm
| Jan precipitation days = 7.6
| Feb precipitation days = 8.0
| Mar precipitation days = 10.5
| Apr precipitation days = 13.5
| May precipitation days = 13.8
| Jun precipitation days = 15.7
| Jul precipitation days = 17.3
| Aug precipitation days = 15.7
| Sep precipitation days = 15.1
| Oct precipitation days = 14.7
| Nov precipitation days = 7.5
| Dec precipitation days = 6.6
| year precipitation days = 
| Jan sun = 38.3
| Feb sun = 54.7
| Mar sun = 85.2
| Apr sun = 116.0
| May sun = 122.1
| Jun sun = 110.7
| Jul sun = 122.1
| Aug sun = 132.9
| Sep sun = 70.5
| Oct sun = 54.9
| Nov sun = 47.7
| Dec sun = 37.7
| year sun = 
| Jan percentsun = 12
| Feb percentsun = 17
| Mar percentsun = 23
| Apr percentsun = 30
| May percentsun = 29
| Jun percentsun = 26
| Jul percentsun = 29
| Aug percentsun = 33
| Sep percentsun = 19
| Oct percentsun = 16
| Nov percentsun = 15
| Dec percentsun = 12
| year percentsun = 
| Jan snow days = 1.1
| Feb snow days = 0.4
| Mar snow days = 0
| Apr snow days = 0
| May snow days = 0
| Jun snow days = 0
| Jul snow days = 0
| Aug snow days = 0
| Sep snow days = 0
| Oct snow days = 0
| Nov snow days = 0
| Dec snow days = 0.2
| year snow days = 
| source 1 = China Meteorological Administration<ref name="cma graphical">{{cite web |url=http://data.cma.cn/data/weatherBk.html |script-title=zh:中国气象数据网 – WeatherBk Data |publisher=[[China Meteorological Administration]] |language=zh-cn |access-date=2020-04-15 |archive-date=5 September 2018 |archive-url=https://web.archive.org/web/20180905194950/http://data.cma.cn/data/weatherBk.html |url-status=live |title=Index }}</ref><ref>{{cite web
 |url          = https://experience.arcgis.com/template/e724038fda394e9d9b7921f10fd1aa55/page/%E7%BA%AF%E8%A1%A8%E6%A0%BC%E7%BB%9F%E8%AE%A1-(%E5%AF%B9%E6%AF%948110%E5%8F%98%E5%8C%96)/?org=UQmaps
 |script-title = zh:CMA台站气候标准值(1991-2020)
 |publisher    = [[China Meteorological Administration]]
 |language     = zh
 |access-date  = 2023-04-11
 |title        = Experience Template
 |archive-date = 4 April 2023
 |archive-url  = https://web.archive.org/web/20230404092524/https://experience.arcgis.com/template/e724038fda394e9d9b7921f10fd1aa55/page/%E7%BA%AF%E8%A1%A8%E6%A0%BC%E7%BB%9F%E8%AE%A1-(%E5%AF%B9%E6%AF%948110%E5%8F%98%E5%8C%96)/?org=UQmaps
 |url-status   = live
}}</ref><ref name="CMA old">
{{cite web|url=http://old-cdc.cma.gov.cn/shuju/search1.jsp?dsid=SURF_CLI_CHN_MUL_MMON_19712000_CES&tpcat=SURF&type=table&pageid=3 |script-title=zh:中国地面国际交换站气候标准值月值数据集（1971－2000年）|publisher=[[China Meteorological Administration]] |access-date=2010-05-25 |url-status=dead |archive-url=https://web.archive.org/web/20130921055035/http://old-cdc.cma.gov.cn/shuju/search1.jsp?dsid=SURF_CLI_CHN_MUL_MMON_19712000_CES&tpcat=SURF&type=table&pageid=3 |archive-date=2013-09-21 
}}</ref> all-time extreme temperature<ref name="Mherrera">{{cite web |url=http://www.mherrera.org/temp.htm |title=Extreme Temperatures Around the World |access-date=2025-03-29 |archive-date=22 June 2013 |archive-url=https://web.archive.org/web/20130622141215/http://www.mherrera.org/temp.htm |url-status=live}}</ref><ref name = NetEase>{{cite web
|url= https://www.163.com/dy/article/E2HHPSS305444WQP.html
|title= 这两天根本不算冷 看看全国各大城市历史极端最低温度是几度？
|date= 8 December 2018
|access-date= 2024-09-16
|archive-date= 15 September 2024
|archive-url= https://web.archive.org/web/20240915180708/https://www.163.com/dy/article/E2HHPSS305444WQP.html
|url-status= live
}}</ref>
| source = 
}}{{Weather box
| width = auto
| metric first = y
| single line = y
| collapsed = Y
| location = Chengdu ([[Wenjiang District]]), elevation {{cvt|548|m}}, (1991–2020 normals, extremes 1981–present)
| Jan record high C = 18.3
| Feb record high C = 23.7
| Mar record high C = 30.9
| Apr record high C = 33.8
| May record high C = 35.7
| Jun record high C = 36.0
| Jul record high C = 37.7
| Aug record high C = 39.4
| Sep record high C = 36.8
| Oct record high C = 30.8
| Nov record high C = 24.9
| Dec record high C = 19.5
| Jan high C = 9.3
| Feb high C = 12.1
| Mar high C = 16.8
| Apr high C = 22.5
| May high C = 26.3
| Jun high C = 28.3
| Jul high C = 30.0
| Aug high C = 29.9
| Sep high C = 25.7
| Oct high C = 20.7
| Nov high C = 16.0
| Dec high C = 10.7
| Jan mean C = 5.5
| Feb mean C = 8.0
| Mar mean C = 12.0
| Apr mean C = 17.1
| May mean C = 21.1
| Jun mean C = 23.8
| Jul mean C = 25.4
| Aug mean C = 25.0
| Sep mean C = 21.6
| Oct mean C = 17.0
| Nov mean C = 12.2
| Dec mean C = 6.9
| Jan low C = 2.7
| Feb low C = 4.9
| Mar low C = 8.4
| Apr low C = 12.9
| May low C = 17.2
| Jun low C = 20.5
| Jul low C = 22.1
| Aug low C = 21.7
| Sep low C = 18.9
| Oct low C = 14.7
| Nov low C = 9.6
| Dec low C = 4.2
| Jan record low C = −6.5
| Feb record low C = −3.5
| Mar record low C = -2.0
| Apr record low C = 3.7
| May record low C = 5.9
| Jun record low C = 14.1
| Jul record low C = 16.2
| Aug record low C = 16.2
| Sep record low C = 11.1
| Oct record low C = 2.5
| Nov record low C = −0.1
| Dec record low C = −4.2
| precipitation colour = green
| Jan precipitation mm = 8.1
| Feb precipitation mm = 11.4
| Mar precipitation mm = 24.1
| Apr precipitation mm = 44.9
| May precipitation mm = 78.0
| Jun precipitation mm = 109.5
| Jul precipitation mm = 231.8
| Aug precipitation mm = 217.1
| Sep precipitation mm = 120.8
| Oct precipitation mm = 42.6
| Nov precipitation mm = 14.8
| Dec precipitation mm = 6.2
| unit precipitation days = 0.1 mm
| Jan precipitation days = 7.1
| Feb precipitation days = 7.9
| Mar precipitation days = 11.4
| Apr precipitation days = 13.2
| May precipitation days = 14.2
| Jun precipitation days = 15.1
| Jul precipitation days = 16.1
| Aug precipitation days = 15.3
| Sep precipitation days = 15.8
| Oct precipitation days = 13.9
| Nov precipitation days = 7.8
| Dec precipitation days = 6.2
| year precipitation days = 
| Jan humidity = 81
| Feb humidity = 79
| Mar humidity = 77
| Apr humidity = 76
| May humidity = 74
| Jun humidity = 79
| Jul humidity = 84
| Aug humidity = 84
| Sep humidity = 84
| Oct humidity = 84
| Nov humidity = 82
| Dec humidity = 82
| Jan sun = 45.4
| Feb sun = 52.3
| Mar sun = 79.3
| Apr sun = 106.3
| May sun = 111.4
| Jun sun = 103.6
| Jul sun = 119.9
| Aug sun = 128.1
| Sep sun = 63.3
| Oct sun = 49.6
| Nov sun = 53.0
| Dec sun = 50.5
| year sun = 
| Jan percentsun = 14
| Feb percentsun = 16
| Mar percentsun = 21
| Apr percentsun = 27
| May percentsun = 26
| Jun percentsun = 25
| Jul percentsun = 28
| Aug percentsun = 32
| Sep percentsun = 17
| Oct percentsun = 14
| Nov percentsun = 17
| Dec percentsun = 16
| year percentsun = 
| Jan snow days = 1.6
| Feb snow days = 0.4
| Mar snow days = 0
| Apr snow days = 0
| May snow days = 0
| Jun snow days = 0
| Jul snow days = 0
| Aug snow days = 0
| Sep snow days = 0
| Oct snow days = 0
| Nov snow days = 0
| Dec snow days = 0.2
| year snow days = 
| source 1 = [[China Meteorological Administration]]<ref name="cma graphical" /><ref>
{{cite web|url=https://experience.arcgis.com/template/e724038fda394e9d9b7921f10fd1aa55/page/%E7%BA%AF%E8%A1%A8%E6%A0%BC%E7%BB%9F%E8%AE%A1-(%E5%AF%B9%E6%AF%948110%E5%8F%98%E5%8C%96)/?org=UQmaps |script-title=zh:中国气象数据网|publisher=[[China Meteorological Administration]] |language = zh-hans | access-date =13 April 2023 |title=Experience Template }}</ref> all-time extreme temperature<ref name="Mherrera" /> [[NOAA]]<ref>{{cite web |url = https://www.ncei.noaa.gov/data/oceans/archive/arc0216/0253808/5.5/data/0-data/Region-2-WMO-Normals-9120/China/CSV/WENJIANG_56187.csv |title = Chengdu Wenjiang Climate Normals 1991-2020 |publisher = [[NOAA]] |language=en-us}}</ref>
| source = 
}}