Yanayin yanayi na Japan

Yawancin yankuna na Japan, kamar su Honshu, Shikoku, da Kyushu, na cikin yanki mai zafi tare da yanayin  mai ɗanɗano (Köppen weather classification Cfa) wanda ke da yanayi daban-daban guda huɗu.  Duk da haka, yanayinta ya bambanta daga yanayin yanayi mai sanyi mai sanyi (Köppen weather classification Dfb) a arewa kamar arewacin Hokkaido, zuwa yanayin dazuzzuka masu zafi (Köppen weather classification Af) a kudu kamar tsibirin Yaeyama da Minami-Tori-shima.

Hanyoyin yanayin ƙasa daban-daban na Japan sun raba shi zuwa manyan yankuna shida na yanayi.

* Hokkaido na cikin yanayin yanayi na nahiya mai ɗanɗano, tare da dogayen sanyi, sanyi sosai da lokacin zafi, sanyi.  Hazo ba ta da yawa;  duk da haka, lokacin sanyi yana kawo manyan dusar ƙanƙara na ɗaruruwan inci a yankuna kamar Sapporo da Asahikawa.
* A cikin Tekun Japan, iskar yanayi na arewa maso yamma a lokacin hunturu na ba da dusar ƙanƙara mai yawa, wanda kudancin Tōhoku yakan narke kafin farkon bazara.  A lokacin rani, ba shi da ɗan ruwan sama fiye da yankin Pacific amma wani lokacin yana fuskantar matsanancin zafi saboda yanayin iska mai ƙarfi.
* Tsakanin Highland: yanayin yanayi na cikin gida na yau da kullun yana ba da babban yanayin zafi tsakanin lokacin rani da damina da tsakanin ranaku da dare.  Hazo ya yi ƙasa da na bakin teku saboda tasirin inuwar ruwan sama.
* Seto Inland Sea: tsaunukan da ke cikin yankunan Chūgoku da Shikoku suna toshe iskar yanayi kuma suna kawo yanayi mai laushi da kwanaki masu kyau a cikin shekara.
* Tekun Pasifik: yanayin ya bambanta sosai tsakanin arewa da kudanci, amma gabaɗaya lokacin sanyi yana da sauƙi da rana fiye da na gefen da ke fuskantar Tekun Japan.  Lokacin zafi yana da zafi saboda iskan yanayi na kudu maso gabas.  Hazo yana da nauyi sosai a kudu kuma yana da nauyi a lokacin rani a arewa.  Yanayin tsibirin Ogasawara ya fito ne daga yanayin yanayi mai zafi (Köppen weather classification Cfa) zuwa yanayin yanayi na wurare masu zafi (Köppen weather classification Aw) tare da yanayin zafi mai zafi a duk shekara.
* Yanayin tsibirin Ryukyu ya fito ne daga yanayin yanayi mai zafi (Köppen weather classification Cfa) a arewa zuwa yanayin dajin na wurare masu zafi (Köppen weather classification Af) a kudu tare da lokacin sanyi da lokacin zafi.  Ruwan sama yana da yawa kuma musamman lokacin damina da mahaukaciyar guguwa ta shafa.

## Ruwan sama.
Japan gabaɗaya ƙasa ce mai ruwan sama mai tsananin zafi. Saboda yawan latitude,   iskoki na yanayi da nau'ikan magudanan ruwa daban-daban, Japan tana da yanayi iri-iri, tare da kewayon kewayon tsibiran da suke zaune daga 24°N – 46°N, wanda yayi daidai da kewayo tsakanin Nova Scotia da Bahamas a gabar tekun gabas ta Arewacin Amurka. Tokyo yana tsakanin 35°N – 36°N, wanda yayi daidai da na Tehran, Charlotte, ko Las Vegas..

Kamar yadda Dutsen Fuji da Alps na bakin teku na Japan ke samar da inuwa mai ruwan sama, Nagano da Yamanashi Prefectures suna karɓar mafi ƙarancin hazo a Honshu, kodayake har yanzu yana wucewa 900 millimeters (35 in) a kowace shekara. Ana samun irin wannan sakamako a Hokkaido, inda Obodo na Okhotsk ke karɓar kusan 750 millimeters (30 in) a kowace shekara. Duk sauran yankuna suna da bakin teku a kan Tekun Pacific, Tekun Japan, da Tekun Seto Inland, ko kuma suna da ruwan gishiri da aka haɗa da su. Gundumar biyu - Hokkaido da Okinawa - sun hada da tsibirai gaba ɗaya.

## Lokaci.
Yanayin yanayi daga Yuni zuwa Satumba yana nuna zafi, yanayin rigar da iska ta kawo daga Tekun Pacific da Kudu maso gabashin Asiya. Wadannan iskar iska suna cike da danshi kuma suna ajiye ruwan sama mai yawa lokacin da suka isa ƙasa. Akwai lokacin ruwan sama mai alama, wanda ya fara a farkon Yuni kuma ya ci gaba da kusan wata daya. Yana biye da zafi, yanayi mai mannewa. Guguwa biyar ko shida suna wucewa ko kusa da Japan a kowace shekara daga farkon watan Agusta zuwa farkon Oktoba, wani lokacin yana haifar da mummunar lalacewa. Matsakaicin ruwan sama na shekara-shekara tsakanin 1,000 da 2,500  in) ban da yankuna kamar Kii Peninsula da Yakushima Island wanda shine wuri mafi ruwan sama a Japan  tare da ruwan sama na yau da kullun yana daya daga cikin mafi girma a duniya a 4,000 zuwa 10,000 mm. &nbsp;

Matsakaicin hazo, kamar sauran Gabashin Asiya, yana faruwa a cikin watanni na rani sai dai a bakin Tekun Japan inda iska mai ƙarfi daga arewa ke haifar da matsakaicin a ƙarshen kaka da farkon lokacin sanyi.  Sai dai ƴan ƙwarin da ke cikin ƙasa a watan Disamba da Janairu, hazo a Japan ya haura milimita 25 (1 in) na ruwan sama kwatankwacin a duk watannin shekara, kuma a yankunan bakin teku mafi ƙanƙanta yakan wuce milimita 100 (4 in) a kowane wata a duk shekara.

Tsakanin watan Yuni zuwa tsakiyar watan Yuli shine lokacin damina a Honshu, Shikoku, da Kyushu, ban da Hokkaidō tun lokacin ruwan sama na yanayi ko tsuyu zensen (梅雨前線) ya watse a arewacin Honshu kafin isa Hokkaido.  A Okinawa, damina na farawa a farkon watan Mayu kuma yana ci gaba har zuwa tsakiyar watan Yuni.  Ba kamar lokacin damina a ƙasar Japan ba, ba a yin ruwan sama a kowace rana ko kuma duk rana a lokacin damina a Okinawa.  Tsakanin Yuli da Oktoba, mahaukaciyar guguwa, da ta girma daga yanayin zafi da ake samu a kusa da equator, na iya kaiwa Japan hari da ruwan sama mai tsananin zafi.

A cikin hunturu, Siberian High yana tasowa a kan yankin Eurasian kuma Aleutian Low yana tasowa akan arewacin Tekun Pacific. Sakamakon shi ne kwararar iska mai sanyi zuwa kudu maso gabas a fadin Japan wanda ke kawo yanayin sanyi da dusar ƙanƙara mai nauyi zuwa tsaunukan tsakiya da ke fuskantar Tekun Japan, amma sararin sama mai tsabta ga wuraren da ke gaba a kan Pacific.

Ana samun yanayin zafi na hunturu mafi zafi a cikin tsibirin Nanpō da Bonin, waɗanda ke jin daɗin yanayin zafi saboda haɗuwa da latitude, nesa daga Nahiyar Asiya, da tasirin dumama na iskõki daga Kuroshio, da kuma Tsibirin Volcano (a latitude na kudancin tsibirin Ryukyu, 24 ° N). Ana samun yanayin zafi mafi sanyi a arewa maso gabashin Hokkaidō a cikin Kushiro da Nemuro Subprefectures.

## Hasken rana.
Sunshine, daidai da ruwan sama mai yawa na Japan, yawanci yana da yawa, kodayake babu wani ɓangare na Japan da ke karɓar hazo mai duhu wanda ke ke kewaye da Sichuan Basin ko Taipei. Adadin ya kasance daga kimanin sa'o'i shida a kowace rana a bakin tekun Inland da ɓangarorin da aka kare na Pacific Coast da Kantō Plain zuwa sa'o-i huɗu a kowace rana akan Tekun Japan na bakin tekun Hokkaidō. A watan Disamba akwai hasken rana mai zurfi tsakanin Tekun Japan da gabar tekun Pacific, kamar yadda tsohon gefen zai iya karɓar ƙasa da awanni 30 kuma gefen Pacific har zuwa awanni 180. A lokacin rani, duk da haka, sa'o'in hasken rana sun fi ƙasa a sassa da aka fallasa na gabar tekun Pacific inda hazo daga halin yanzu Oyashio ke haifar da murfin girgije mai kama da wanda aka samu a tsibirin Kuril da Sakhalin.

## Rubuce-rubucen zafin jiki mai tsanani.
Mafi girman zafin jiki da aka rubuta a Japan ya kasance 41.1 ° C (106.0 ° F) a ranar 23 ga Yuli 2018 da 17 ga Agusta 2020, an dauki rikodin da ba a tabbatar da shi ba na 42.7 ° C a Adachi, Tokyo a ranar 20 ga Yuli 2004. Babban danshi da tasirin teku suna sa yanayin zafi a cikin 40s ba shi da yawa, tare da lokacin rani wanda ya mamaye tsarin ruwan sama mai ɗorewa ta hanyar mafi yawan Japan. Mafi ƙasƙanci shine -41.0 °C (-41.8 °F) a Asahikawa a ranar 25 ga Janairu 1902. Koyaya an ɗauki -41.5 °C ba bisa ka'ida ba a Bifuka a ranar 27 ga Janairu 1931. Dutsen Fuji ya karya ƙarancin rikodin Jafananci na kowane wata ban da Janairu, Fabrairu, Maris, da Disamba. Rubuce-rubuce na kowane wata an ɗauka kwanan nan kamar 1984.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

Minami-Tori-shima tana da Yanayin savanna na wurare masu zafi (Köppen climate classification *Aw*) da kuma matsakaicin matsakaicin zafin jiki a Japan na digiri 25 na Celsius.

## Bayanan da suka fi dacewa.

## Dubi kuma.

* Yanayin yanayi na kasar Sin
* Ruwan sama na Gabashin Asiya
Manazarta.