★★★
西(xi)寧屬于高原大(da)陸(lu)性(xing)氣候(hou)，受(shou)高海拔影響，年(nian)平(ping)均氣溫(wen)較(jiao)低，晝夜溫(wen)差大(da)，夏季短(duan)，冬季漫長(chang)。根據(ju)中(zhong)國氣象(xiang)局(ju)數據(ju)，西(xi)寧1981年(nian)至2010年(nian)每年(nian)冬季平(ping)均時(shi)(shi)(shi)長(chang)為209天，超過哈爾濱，是中(zhong)國冬季最長(chang)的(de)省(sheng)會(hui)城市。據(ju)中(zhong)國氣象(xiang)局(ju)數據(ju)顯(xian)示，西(xi)寧每年(nian)入(ru)(ru)冬時(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)基本上(shang)為10月(yue)(yue)初，1981年(nian)至2010年(nian)西(xi)寧平(ping)均入(ru)(ru)冬時(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)為10月(yue)(yue)2日(ri)。而通過2016年(nian)至2020年(nian)的(de)氣象(xiang)數據(ju)分析，西(xi)寧最早入(ru)(ru)冬時(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)為10月(yue)(yue)2日(ri)，最遲入(ru)(ru)冬時(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)為10月(yue)(yue)6日(ri)。當全國大(da)部時(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)進入(ru)(ru)賞秋最佳時(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)的(de)時(shi)(shi)(shi)候(hou)，西(xi)寧已經開始進入(ru)(ru)冬季，比(bi)東北的(de)哈爾濱市還早，是中(zhong)國入(ru)(ru)冬時(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(jian)最早的(de)省(sheng)會(hui)城市。
哈(ha)爾濱地(di)(di)處(chu)我國(guo)最冷的(de)東(dong)(dong)北(bei)地(di)(di)區、黑(hei)龍江(jiang)北(bei)部，是(shi)我國(guo)緯度最高的(de)省(sheng)會城(cheng)市，四(si)季(ji)分明，冬(dong)(dong)(dong)季(ji)漫長而(er)寒冷，被稱為(wei)(wei)“冰城(cheng)”。每(mei)年(nian)從(cong)9月份開(kai)始，黑(hei)龍江(jiang)北(bei)部就早(zao)早(zao)進入(ru)(ru)了氣(qi)(qi)象(xiang)學(xue)意義上的(de)冬(dong)(dong)(dong)季(ji)。而(er)從(cong)氣(qi)(qi)候數據來看，哈(ha)爾濱每(mei)年(nian)入(ru)(ru)冬(dong)(dong)(dong)時間在10月份。據中國(guo)氣(qi)(qi)象(xiang)局(ju)數據，1981年(nian)至2010年(nian)，哈(ha)爾濱平均入(ru)(ru)冬(dong)(dong)(dong)日期(qi)為(wei)(wei)10月6日，每(mei)年(nian)冬(dong)(dong)(dong)季(ji)平均時長為(wei)(wei)204天，是(shi)東(dong)(dong)北(bei)地(di)(di)區入(ru)(ru)冬(dong)(dong)(dong)最早(zao)、冬(dong)(dong)(dong)季(ji)最長的(de)省(sheng)會城(cheng)市。
拉薩(sa)，西藏自治(zhi)區首(shou)府，氣(qi)候屬(shu)高原溫帶半干旱季(ji)風氣(qi)候區，素有“日光城”的(de)美譽，冬(dong)季(ji)時(shi)間長，夏(xia)季(ji)短。拉薩(sa)常(chang)年(nian)(nian)入冬(dong)時(shi)間為(wei)10月中(zhong)旬左右(you)，據中(zhong)國氣(qi)象(xiang)局數據，1981年(nian)(nian)至2010年(nian)(nian)，拉薩(sa)平(ping)均入冬(dong)日期為(wei)10月16日，每年(nian)(nian)冬(dong)季(ji)平(ping)均時(shi)長為(wei)204天，是(shi)中(zhong)國西部地區冬(dong)季(ji)最長的(de)城市。
長(chang)(chang)春，吉(ji)林省省會城市，氣(qi)候屬于大陸性半(ban)干燥、半(ban)濕潤季風氣(qi)候，冬(dong)(dong)(dong)季寒冷而(er)漫長(chang)(chang)，歷史上極端最低溫曾(ceng)達到過-39℃，形成冬(dong)(dong)(dong)季“三寒四溫”的天(tian)氣(qi)特征。根據中國氣(qi)象(xiang)局1981-2010年(nian)(nian)氣(qi)象(xiang)數(shu)據統(tong)計，長(chang)(chang)春的平均(jun)入冬(dong)(dong)(dong)時(shi)間為10月(yue)14日（立冬(dong)(dong)(dong)節氣(qi)前入冬(dong)(dong)(dong)），每年(nian)(nian)冬(dong)(dong)(dong)季平均(jun)時(shi)長(chang)(chang)為194天(tian)，占到了全年(nian)(nian)的一(yi)半(ban)以上，也是(shi)中國十大冬(dong)(dong)(dong)季最長(chang)(chang)的省會城市之一(yi)。又據吉(ji)林省氣(qi)象(xiang)臺(tai)數(shu)據，2021年(nian)(nian)長(chang)(chang)春于10月(yue)15日入冬(dong)(dong)(dong)，2021年(nian)(nian)冬(dong)(dong)(dong)季日數(shu)達184天(tian)，占了全年(nian)(nian)一(yi)半(ban)。
呼(hu)和(he)浩(hao)(hao)特(te)，內蒙古自治區首府，屬中(zhong)(zhong)溫帶大陸性季(ji)(ji)(ji)(ji)(ji)風氣(qi)(qi)候，四季(ji)(ji)(ji)(ji)(ji)氣(qi)(qi)候變化(hua)明顯，差(cha)異(yi)較大，其(qi)特(te)點：冬(dong)季(ji)(ji)(ji)(ji)(ji)漫長(chang)(chang)嚴寒，夏季(ji)(ji)(ji)(ji)(ji)短暫炎熱，春(chun)秋兩(liang)季(ji)(ji)(ji)(ji)(ji)氣(qi)(qi)候變化(hua)劇烈。呼(hu)和(he)浩(hao)(hao)特(te)常(chang)年(nian)入冬(dong)時(shi)(shi)間為(wei)10月上中(zhong)(zhong)旬左右，冬(dong)季(ji)(ji)(ji)(ji)(ji)長(chang)(chang)約(yue)六個月。據中(zhong)(zhong)國氣(qi)(qi)象(xiang)局1981-2010年(nian)氣(qi)(qi)象(xiang)數據統計，呼(hu)和(he)浩(hao)(hao)特(te)平(ping)均入冬(dong)時(shi)(shi)間為(wei)10月11日，30年(nian)來每(mei)年(nian)冬(dong)季(ji)(ji)(ji)(ji)(ji)平(ping)均時(shi)(shi)長(chang)(chang)為(wei)189天(tian)。隨著全(quan)球(qiu)氣(qi)(qi)溫升溫，我(wo)國冬(dong)季(ji)(ji)(ji)(ji)(ji)時(shi)(shi)長(chang)(chang)也會減少(shao)，而據中(zhong)(zhong)央氣(qi)(qi)象(xiang)臺(tai)公(gong)布了2010年(nian)至2020年(nian)部分城(cheng)市冬(dong)季(ji)(ji)(ji)(ji)(ji)時(shi)(shi)長(chang)(chang)數據，呼(hu)和(he)浩(hao)(hao)特(te)冬(dong)季(ji)(ji)(ji)(ji)(ji)平(ping)均時(shi)(shi)長(chang)(chang)為(wei)146天(tian)。
烏魯(lu)木(mu)齊，新(xin)疆(jiang)維吾(wu)爾自治區首府，是(shi)世界(jie)上離(li)海(hai)洋最遠的(de)城(cheng)市，屬(shu)中溫帶大陸(lu)性干旱氣(qi)候，冬季(ji)來(lai)得(de)早，春(chun)天(tian)來(lai)得(de)遲(chi)，冬天(tian)每(mei)年(nian)(nian)(nian)(nian)從11月初到次年(nian)(nian)(nian)(nian)4月初，超過150天(tian)。據中國氣(qi)象局(ju)1981-2010年(nian)(nian)(nian)(nian)氣(qi)象數(shu)據統計，烏魯(lu)木(mu)齊平均入冬時(shi)間為10月11日(ri)，而2021年(nian)(nian)(nian)(nian)入冬時(shi)間為10月2日(ri)，較(jiao)常年(nian)(nian)(nian)(nian)提(ti)前9天(tian)，是(shi)西北(bei)地區入冬時(shi)間最早的(de)城(cheng)市之(zhi)一。此外，據中國氣(qi)象局(ju)數(shu)據，1981年(nian)(nian)(nian)(nian)至(zhi)2010年(nian)(nian)(nian)(nian)的(de)30年(nian)(nian)(nian)(nian)來(lai)，烏魯(lu)木(mu)齊每(mei)年(nian)(nian)(nian)(nian)冬季(ji)平均時(shi)長為186天(tian)。
沈陽(yang)，遼寧省省會城(cheng)市，地處東(dong)北(bei)地區，冬季比(bi)較漫長(chang)，從10月中(zhong)下旬開始一(yi)直到次年(nian)(nian)(nian)的3月中(zhong)下旬左(zuo)右(you)。據(ju)(ju)(ju)(ju)往常氣(qi)象(xiang)數(shu)據(ju)(ju)(ju)(ju)，沈陽(yang)每年(nian)(nian)(nian)入冬時間在10月中(zhong)下旬左(zuo)右(you)。據(ju)(ju)(ju)(ju)中(zhong)國(guo)氣(qi)象(xiang)局(ju)1981-2010年(nian)(nian)(nian)氣(qi)象(xiang)數(shu)據(ju)(ju)(ju)(ju)統計，沈陽(yang)平均(jun)入冬時間為10月17日，30年(nian)(nian)(nian)來每年(nian)(nian)(nian)冬季平均(jun)時長(chang)為181天。
銀(yin)川，寧夏回族自治區(qu)首府，深居西北(bei)內陸(lu)高原，屬中溫帶干旱氣(qi)候(hou)區(qu)，冬寒漫長(chang)但不奇冷，冬季(ji)常年(nian)入(ru)(ru)(ru)冬時間(jian)為(wei)10月(yue)中下(xia)旬左右。據中國氣(qi)象局1981-2010年(nian)氣(qi)象數(shu)據統計，銀(yin)川平(ping)均(jun)入(ru)(ru)(ru)冬時間(jian)為(wei)10月(yue)18日，每年(nian)冬季(ji)平(ping)均(jun)時長(chang)為(wei)171天。而由于近10年(nian)來全球氣(qi)候(hou)變(bian)暖，我國冬季(ji)時長(chang)減(jian)少(shao)，據中央氣(qi)象臺(tai)公布了2010年(nian)至2020年(nian)部分城(cheng)市冬季(ji)時長(chang)數(shu)據，銀(yin)川平(ping)均(jun)入(ru)(ru)(ru)冬時間(jian)為(wei)10月(yue)18日，冬季(ji)平(ping)均(jun)時長(chang)為(wei)161天。
蘭州地處(chu)青(qing)藏高(gao)原向(xiang)黃土(tu)高(gao)原過渡地帶，甘肅省(sheng)省(sheng)會城市，屬(shu)溫帶大陸性氣(qi)候，夏無酷暑，冬(dong)(dong)無嚴寒，冬(dong)(dong)季漫長(chang)，常年(nian)入冬(dong)(dong)時(shi)間為10月中下(xia)旬左右(you)。據(ju)(ju)中國氣(qi)象(xiang)局1981-2010年(nian)氣(qi)象(xiang)數據(ju)(ju)統計，蘭州平(ping)均入冬(dong)(dong)時(shi)間為10月19日，每年(nian)冬(dong)(dong)季平(ping)均時(shi)長(chang)為168天。
太原(yuan)，山西省省會城市，屬北溫(wen)帶大陸性氣(qi)候(hou)，氣(qi)候(hou)特點是：冬(dong)季(ji)(ji)(ji)(ji)干(gan)冷漫(man)長(chang)，夏季(ji)(ji)(ji)(ji)濕(shi)(shi)熱多雨(yu)，春季(ji)(ji)(ji)(ji)升溫(wen)急劇(ju)，秋季(ji)(ji)(ji)(ji)降溫(wen)迅速，春秋兩季(ji)(ji)(ji)(ji)短暫多風，干(gan)濕(shi)(shi)季(ji)(ji)(ji)(ji)節分明，常年(nian)入(ru)冬(dong)時間(jian)為(wei)(wei)(wei)10月(yue)下旬(xun)左(zuo)右。據(ju)中(zhong)(zhong)國(guo)氣(qi)象(xiang)局1981-2010年(nian)氣(qi)象(xiang)數據(ju)統計，太原(yuan)平均入(ru)冬(dong)時間(jian)為(wei)(wei)(wei)10月(yue)21日，每年(nian)冬(dong)季(ji)(ji)(ji)(ji)平均時長(chang)為(wei)(wei)(wei)166天，也是中(zhong)(zhong)國(guo)十(shi)大冬(dong)季(ji)(ji)(ji)(ji)最長(chang)的(de)省會城市之一(yi)。
全國其他大城市入冬時長：天(tian)(tian)(tian)津(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)154天(tian)(tian)(tian)) 、北京(jing)(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)151天(tian)(tian)(tian)) 、石家莊(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)天(tian)(tian)(tian)142) 、西安(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)140天(tian)(tian)(tian)) 、濟(ji)南(nan)(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)138天(tian)(tian)(tian)) 、鄭州(zhou)(zhou)(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)137天(tian)(tian)(tian)) 、南(nan)京(jing)(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)128天(tian)(tian)(tian)) 、合(he)肥 (冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)120天(tian)(tian)(tian)) 、上(shang)海(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)119天(tian)(tian)(tian)) 、貴陽(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)104天(tian)(tian)(tian)) 、杭州(zhou)(zhou)(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)103天(tian)(tian)(tian)) 、武漢(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)103天(tian)(tian)(tian)) 、長沙(sha)(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)98天(tian)(tian)(tian)) 、成都(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)97天(tian)(tian)(tian)) 、南(nan)昌(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)91天(tian)(tian)(tian)) 、昆明(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)70天(tian)(tian)(tian)) 、重慶(冬(dong)(dong)(dong)(dong)(dong)(dong)季(ji)(ji)(ji)達(da)(da)(da)63天(tian)(tian)(tian)) 。
注1：中(zhong)國(guo)(guo)(guo)十大冬(dong)季(ji)最(zui)長(chang)(chang)的省會城(cheng)市(shi)(shi)排行榜，是MAIgoo小(xiao)編根據中(zhong)國(guo)(guo)(guo)23個省省會城(cheng)市(shi)(shi)和5個自治區首(shou)府冬(dong)季(ji)平(ping)均(jun)時(shi)長(chang)(chang)，參考中(zhong)國(guo)(guo)(guo)氣(qi)象局發(fa)布的1981年(nian)至2010年(nian)冬(dong)季(ji)平(ping)均(jun)時(shi)長(chang)(chang)、平(ping)均(jun)入冬(dong)時(shi)間數據及(ji)中(zhong)國(guo)(guo)(guo)氣(qi)象局發(fa)布的部分(fen)城(cheng)市(shi)(shi)冬(dong)季(ji)時(shi)長(chang)(chang)數據整(zheng)理而成。排名以中(zhong)國(guo)(guo)(guo)氣(qi)象局1981年(nian)至2010年(nian)冬(dong)季(ji)平(ping)均(jun)時(shi)長(chang)(chang)為(wei)標準，僅供(gong)參考。
注2：本文入(ru)(ru)冬時間采(cai)用中國氣象業務上(shang)的“滑標”和“簡標”，即連(lian)續5日滑動平(ping)均氣溫(wen)低于10℃即達到入(ru)(ru)冬標準。2010-2021年10余年來，由于部分省會(hui)城(cheng)市冬季時長數據缺失，所以(yi)暫不納入(ru)(ru)統計范圍。
