★★★
西寧(ning)屬于高原大陸(lu)性氣(qi)(qi)候，受高海(hai)拔(ba)影響，年(nian)(nian)平(ping)均氣(qi)(qi)溫(wen)較低(di)，晝夜溫(wen)差(cha)大，夏季(ji)短，冬(dong)季(ji)漫長(chang)。根據中(zhong)國(guo)氣(qi)(qi)象(xiang)局數據，西寧(ning)1981年(nian)(nian)至(zhi)2010年(nian)(nian)每(mei)年(nian)(nian)冬(dong)季(ji)平(ping)均時(shi)(shi)(shi)長(chang)為(wei)209天，超(chao)過哈爾(er)濱，是中(zhong)國(guo)冬(dong)季(ji)最長(chang)的省會(hui)城市。據中(zhong)國(guo)氣(qi)(qi)象(xiang)局數據顯(xian)示，西寧(ning)每(mei)年(nian)(nian)入(ru)冬(dong)時(shi)(shi)(shi)間(jian)(jian)(jian)基本(ben)上為(wei)10月(yue)初，1981年(nian)(nian)至(zhi)2010年(nian)(nian)西寧(ning)平(ping)均入(ru)冬(dong)時(shi)(shi)(shi)間(jian)(jian)(jian)為(wei)10月(yue)2日(ri)。而通過2016年(nian)(nian)至(zhi)2020年(nian)(nian)的氣(qi)(qi)象(xiang)數據分(fen)析，西寧(ning)最早入(ru)冬(dong)時(shi)(shi)(shi)間(jian)(jian)(jian)為(wei)10月(yue)2日(ri)，最遲(chi)入(ru)冬(dong)時(shi)(shi)(shi)間(jian)(jian)(jian)為(wei)10月(yue)6日(ri)。當全(quan)國(guo)大部(bu)時(shi)(shi)(shi)間(jian)(jian)(jian)進入(ru)賞秋最佳時(shi)(shi)(shi)間(jian)(jian)(jian)的時(shi)(shi)(shi)候，西寧(ning)已經開始進入(ru)冬(dong)季(ji)，比東北(bei)的哈爾(er)濱市還早，是中(zhong)國(guo)入(ru)冬(dong)時(shi)(shi)(shi)間(jian)(jian)(jian)最早的省會(hui)城市。
哈(ha)(ha)爾濱地(di)處我國最(zui)(zui)(zui)冷的(de)東北地(di)區(qu)、黑龍江北部(bu)，是我國緯(wei)度最(zui)(zui)(zui)高的(de)省(sheng)會城(cheng)市，四(si)季(ji)分明，冬(dong)季(ji)漫長而(er)寒(han)冷，被(bei)稱為(wei)“冰城(cheng)”。每(mei)年(nian)從(cong)9月份開(kai)始，黑龍江北部(bu)就早(zao)早(zao)進入了氣(qi)象(xiang)學(xue)意義上的(de)冬(dong)季(ji)。而(er)從(cong)氣(qi)候(hou)數據來看，哈(ha)(ha)爾濱每(mei)年(nian)入冬(dong)時(shi)間在10月份。據中國氣(qi)象(xiang)局(ju)數據，1981年(nian)至(zhi)2010年(nian)，哈(ha)(ha)爾濱平(ping)均入冬(dong)日(ri)期為(wei)10月6日(ri)，每(mei)年(nian)冬(dong)季(ji)平(ping)均時(shi)長為(wei)204天，是東北地(di)區(qu)入冬(dong)最(zui)(zui)(zui)早(zao)、冬(dong)季(ji)最(zui)(zui)(zui)長的(de)省(sheng)會城(cheng)市。
拉薩(sa)，西藏自治(zhi)區(qu)(qu)(qu)首府，氣(qi)候屬高原溫帶(dai)半(ban)干旱(han)季(ji)風(feng)氣(qi)候區(qu)(qu)(qu)，素有(you)“日光城”的(de)美譽，冬(dong)季(ji)時間長，夏季(ji)短。拉薩(sa)常(chang)年(nian)(nian)入冬(dong)時間為10月中旬左右(you)，據中國氣(qi)象局數據，1981年(nian)(nian)至2010年(nian)(nian)，拉薩(sa)平均(jun)入冬(dong)日期為10月16日，每年(nian)(nian)冬(dong)季(ji)平均(jun)時長為204天(tian)，是中國西部地區(qu)(qu)(qu)冬(dong)季(ji)最長的(de)城市。
長(chang)(chang)春，吉林省省會(hui)(hui)城(cheng)市，氣(qi)候(hou)(hou)屬于大陸性半(ban)(ban)干燥(zao)、半(ban)(ban)濕潤季(ji)(ji)風氣(qi)候(hou)(hou)，冬(dong)(dong)季(ji)(ji)寒冷而漫長(chang)(chang)，歷史上極端最低溫(wen)曾達到過-39℃，形成冬(dong)(dong)季(ji)(ji)“三(san)寒四溫(wen)”的(de)天(tian)氣(qi)特征。根據(ju)中國氣(qi)象局1981-2010年(nian)(nian)氣(qi)象數(shu)據(ju)統(tong)計，長(chang)(chang)春的(de)平(ping)均入冬(dong)(dong)時(shi)間為(wei)10月14日（立冬(dong)(dong)節氣(qi)前入冬(dong)(dong)），每年(nian)(nian)冬(dong)(dong)季(ji)(ji)平(ping)均時(shi)長(chang)(chang)為(wei)194天(tian)，占到了(le)(le)全年(nian)(nian)的(de)一半(ban)(ban)以(yi)上，也是(shi)中國十(shi)大冬(dong)(dong)季(ji)(ji)最長(chang)(chang)的(de)省會(hui)(hui)城(cheng)市之一。又據(ju)吉林省氣(qi)象臺(tai)數(shu)據(ju)，2021年(nian)(nian)長(chang)(chang)春于10月15日入冬(dong)(dong)，2021年(nian)(nian)冬(dong)(dong)季(ji)(ji)日數(shu)達184天(tian)，占了(le)(le)全年(nian)(nian)一半(ban)(ban)。
呼和(he)浩特，內蒙古自(zi)治區首府，屬中(zhong)溫(wen)帶大陸性(xing)季(ji)(ji)風(feng)氣(qi)(qi)(qi)候(hou)，四季(ji)(ji)氣(qi)(qi)(qi)候(hou)變化明(ming)顯(xian)，差異較大，其特點：冬(dong)(dong)(dong)(dong)(dong)季(ji)(ji)漫長嚴寒，夏(xia)季(ji)(ji)短暫炎熱，春秋兩季(ji)(ji)氣(qi)(qi)(qi)候(hou)變化劇烈。呼和(he)浩特常年(nian)入冬(dong)(dong)(dong)(dong)(dong)時(shi)間為10月上中(zhong)旬(xun)左(zuo)右，冬(dong)(dong)(dong)(dong)(dong)季(ji)(ji)長約六個月。據(ju)中(zhong)國氣(qi)(qi)(qi)象局1981-2010年(nian)氣(qi)(qi)(qi)象數據(ju)統(tong)計(ji)，呼和(he)浩特平均(jun)入冬(dong)(dong)(dong)(dong)(dong)時(shi)間為10月11日(ri)，30年(nian)來每年(nian)冬(dong)(dong)(dong)(dong)(dong)季(ji)(ji)平均(jun)時(shi)長為189天。隨著全球氣(qi)(qi)(qi)溫(wen)升溫(wen)，我國冬(dong)(dong)(dong)(dong)(dong)季(ji)(ji)時(shi)長也會減少，而(er)據(ju)中(zhong)央氣(qi)(qi)(qi)象臺公布(bu)了2010年(nian)至2020年(nian)部分(fen)城市冬(dong)(dong)(dong)(dong)(dong)季(ji)(ji)時(shi)長數據(ju)，呼和(he)浩特冬(dong)(dong)(dong)(dong)(dong)季(ji)(ji)平均(jun)時(shi)長為146天。
烏魯木齊(qi)(qi)(qi)，新疆維吾爾自治(zhi)區首府，是世界上(shang)離(li)海洋最遠的城市，屬中溫帶大陸性干旱氣(qi)候(hou)，冬季來(lai)得(de)早，春天(tian)(tian)來(lai)得(de)遲(chi)，冬天(tian)(tian)每年(nian)(nian)(nian)從11月(yue)初到次年(nian)(nian)(nian)4月(yue)初，超過150天(tian)(tian)。據中國(guo)氣(qi)象(xiang)局(ju)1981-2010年(nian)(nian)(nian)氣(qi)象(xiang)數據統計，烏魯木齊(qi)(qi)(qi)平均入冬時間(jian)為(wei)(wei)10月(yue)11日，而2021年(nian)(nian)(nian)入冬時間(jian)為(wei)(wei)10月(yue)2日，較常年(nian)(nian)(nian)提(ti)前9天(tian)(tian)，是西北(bei)地區入冬時間(jian)最早的城市之一。此外，據中國(guo)氣(qi)象(xiang)局(ju)數據，1981年(nian)(nian)(nian)至2010年(nian)(nian)(nian)的30年(nian)(nian)(nian)來(lai)，烏魯木齊(qi)(qi)(qi)每年(nian)(nian)(nian)冬季平均時長為(wei)(wei)186天(tian)(tian)。
沈(shen)陽，遼寧省省會城(cheng)市，地處東北(bei)地區(qu)，冬(dong)(dong)季比較漫(man)長，從10月(yue)中(zhong)下旬(xun)開始一直到次年的3月(yue)中(zhong)下旬(xun)左右。據(ju)往常氣(qi)象數據(ju)，沈(shen)陽每(mei)年入冬(dong)(dong)時間在10月(yue)中(zhong)下旬(xun)左右。據(ju)中(zhong)國(guo)氣(qi)象局1981-2010年氣(qi)象數據(ju)統計，沈(shen)陽平均入冬(dong)(dong)時間為10月(yue)17日，30年來每(mei)年冬(dong)(dong)季平均時長為181天。
銀(yin)(yin)(yin)川，寧夏回(hui)族(zu)自治區首(shou)府，深居西北內陸(lu)高原，屬中(zhong)溫(wen)帶干旱氣(qi)(qi)候區，冬(dong)(dong)寒(han)漫(man)長(chang)但不奇冷，冬(dong)(dong)季(ji)(ji)常年(nian)(nian)(nian)(nian)入(ru)冬(dong)(dong)時(shi)(shi)(shi)間為(wei)10月(yue)中(zhong)下旬(xun)左右。據中(zhong)國氣(qi)(qi)象(xiang)局(ju)1981-2010年(nian)(nian)(nian)(nian)氣(qi)(qi)象(xiang)數據統計，銀(yin)(yin)(yin)川平均(jun)入(ru)冬(dong)(dong)時(shi)(shi)(shi)間為(wei)10月(yue)18日(ri)(ri)，每年(nian)(nian)(nian)(nian)冬(dong)(dong)季(ji)(ji)平均(jun)時(shi)(shi)(shi)長(chang)為(wei)171天。而(er)由(you)于近10年(nian)(nian)(nian)(nian)來全球(qiu)氣(qi)(qi)候變暖，我(wo)國冬(dong)(dong)季(ji)(ji)時(shi)(shi)(shi)長(chang)減少，據中(zhong)央氣(qi)(qi)象(xiang)臺公(gong)布了2010年(nian)(nian)(nian)(nian)至2020年(nian)(nian)(nian)(nian)部(bu)分城市冬(dong)(dong)季(ji)(ji)時(shi)(shi)(shi)長(chang)數據，銀(yin)(yin)(yin)川平均(jun)入(ru)冬(dong)(dong)時(shi)(shi)(shi)間為(wei)10月(yue)18日(ri)(ri)，冬(dong)(dong)季(ji)(ji)平均(jun)時(shi)(shi)(shi)長(chang)為(wei)161天。
蘭州地處(chu)青藏高原向(xiang)黃土高原過渡地帶(dai)(dai)，甘肅省(sheng)(sheng)省(sheng)(sheng)會城市，屬溫帶(dai)(dai)大陸性氣候(hou)，夏無(wu)酷暑，冬(dong)(dong)無(wu)嚴寒，冬(dong)(dong)季漫長，常年入(ru)冬(dong)(dong)時(shi)間為(wei)(wei)10月(yue)(yue)中(zhong)下旬左右。據中(zhong)國氣象(xiang)局1981-2010年氣象(xiang)數據統計，蘭州平均(jun)入(ru)冬(dong)(dong)時(shi)間為(wei)(wei)10月(yue)(yue)19日，每年冬(dong)(dong)季平均(jun)時(shi)長為(wei)(wei)168天。
太(tai)原，山西省省會城市，屬北溫帶大(da)陸性氣候(hou)(hou)，氣候(hou)(hou)特點是(shi)：冬(dong)季(ji)(ji)干冷(leng)漫(man)長(chang)(chang)，夏(xia)季(ji)(ji)濕熱多(duo)(duo)雨(yu)，春季(ji)(ji)升溫急(ji)劇，秋季(ji)(ji)降溫迅速，春秋兩季(ji)(ji)短(duan)暫多(duo)(duo)風，干濕季(ji)(ji)節(jie)分明，常年入冬(dong)時間(jian)為10月下旬左右。據中國氣象局1981-2010年氣象數(shu)據統計，太(tai)原平均入冬(dong)時間(jian)為10月21日，每年冬(dong)季(ji)(ji)平均時長(chang)(chang)為166天，也是(shi)中國十大(da)冬(dong)季(ji)(ji)最長(chang)(chang)的省會城市之一。
全國其他大城市入冬時長：天(tian)(tian)(tian)津(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)154天(tian)(tian)(tian)) 、北京(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)151天(tian)(tian)(tian)) 、石(shi)家(jia)莊(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)天(tian)(tian)(tian)142) 、西安(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)140天(tian)(tian)(tian)) 、濟南(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)138天(tian)(tian)(tian)) 、鄭州(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)137天(tian)(tian)(tian)) 、南京(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)128天(tian)(tian)(tian)) 、合肥 (冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)120天(tian)(tian)(tian)) 、上海(hai)(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)119天(tian)(tian)(tian)) 、貴陽(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)104天(tian)(tian)(tian)) 、杭(hang)州(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)103天(tian)(tian)(tian)) 、武(wu)漢(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)103天(tian)(tian)(tian)) 、長沙(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)98天(tian)(tian)(tian)) 、成都(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)97天(tian)(tian)(tian)) 、南昌(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)91天(tian)(tian)(tian)) 、昆(kun)明(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)70天(tian)(tian)(tian)) 、重(zhong)慶(冬(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)63天(tian)(tian)(tian)) 。
注1：中(zhong)國十大(da)冬(dong)(dong)(dong)季(ji)最長(chang)(chang)的(de)省(sheng)會(hui)城市排行榜(bang)，是MAIgoo小(xiao)編根(gen)據中(zhong)國23個省(sheng)省(sheng)會(hui)城市和5個自治區首府冬(dong)(dong)(dong)季(ji)平(ping)均時(shi)長(chang)(chang)，參考中(zhong)國氣象(xiang)(xiang)局(ju)發布(bu)的(de)1981年至2010年冬(dong)(dong)(dong)季(ji)平(ping)均時(shi)長(chang)(chang)、平(ping)均入冬(dong)(dong)(dong)時(shi)間數(shu)據及中(zhong)國氣象(xiang)(xiang)局(ju)發布(bu)的(de)部分城市冬(dong)(dong)(dong)季(ji)時(shi)長(chang)(chang)數(shu)據整理而成。排名以(yi)中(zhong)國氣象(xiang)(xiang)局(ju)1981年至2010年冬(dong)(dong)(dong)季(ji)平(ping)均時(shi)長(chang)(chang)為標準，僅供(gong)參考。
注2：本文(wen)入冬時(shi)間采用中國(guo)氣象業(ye)務(wu)上(shang)的“滑標”和“簡標”，即連續5日滑動平均氣溫低(di)于(yu)10℃即達到入冬標準(zhun)。2010-2021年10余年來，由(you)于(yu)部分省會城市冬季時(shi)長數據缺(que)失，所以暫不納入統計范圍。
