Yanayin yanayi na Perth

Perth, babban birnin jihar Western Australia, yana da Yanayin Bahar Rum (Köppen climate classification *Csa*), tare da zafi, lokacin rani mai bushe da sanyi, hunturu mai laushi. Fabrairu shine watan da ya fi zafi a shekara, tare da matsakaicin  ° C (89.1 ° F), kuma Yuli shine watan da aka fi sanyi a shekara, amb matsakaicin matsakaicin  ° C (46.6 ° F). 77.7% na ruwan sama a Perth ya fadi tsakanin Mayu da Satumba.   Perth tana da matsakaicin sa'o'i 8.8 na hasken rana a kowace rana, wanda ya yi daidai da kusan sa'oʼi 3,200 na hasken hasken rana na shekara-shekara, da kuma kwanaki 138.7 masu haske a kowace shekara, yana mai da shi babban birni mafi hasken rana.

## Rarrabawar

## Lokaci
An bayyana lokutan a Perth a hukumance kamar yadda ya dace da watanni na kalandar, don haka bazara ta fara a ranar 1 ga Disamba, kaka ta fara a 1 ga Maris, hunturu ta fara a kan 1 ga Yuni kuma bazara ta fara ne a ranar 1 ta Satumba. Koyaya, yanayin bazara yana faruwa daga Nuwamba zuwa farkon Afrilu, kuma yanayin hunturu na iya faruwa tsakanin Mayu da Satumba.

### Lokacin bazara

Lokacin bazara shine lokacin shekara tare da mafi girman bambancin zafin jiki ga Perth. Matsakaicin yanayin zafi yawanci yana tsakanin  ° C (77 ° F) da  ° C (97 ° F), kuma mafi ƙarancin yanayin zafi yawancin yana tsakanin  ° C (57 ° F). Watan da ya fi zafi shine Fabrairu, tare da matsakaicin zafin jiki na  ° C (89.1 ° F), wanda shine na biyu mafi girma a kowane wata na manyan biranen Australiya, bayan Darwin kawai. Rashin zafi a lokacin rani yawanci yana da ƙarancin, tare da matsakaicin 3 na yamma na raɓa na  ° C (55.2 ° F) a watan Fabrairu. Perth tana da dare mai sanyi fiye da Sydney, Brisbane, da Darwin, duk da haka, tare da mafi ƙarancin zafin jiki na kowane wata shine  ° C (65.1 ° F), a watan Fabrairu.

A mafi yawan lokacin rani, iska ta teku, da aka sani da "Fremantle Doctor", tana hurawa daga kudu maso yamma, tana ba da taimako daga iskar arewa maso gabas. Yawan zafin jiki sau da yawa yakan faɗi ƙasa da  ° C (86 ° F) 'yan sa'o'i bayan isowar canjin iska. Matsakaicin saurin iska na 3 na yamma don Janairu a Swanbourne, a bakin tekun shine  km / h (17.2 , yana sa ziyarar rairayin bakin teku na rana wani lokacin ba ta da kyau. Yankunan da ke kusa da bakin tekun gabaɗaya suna da ƙananan yanayin zafi fiye da yankunan da ke cikin ƙasa, yayin da iska ta teku ta zo daga baya. Lokacin da iska ta teku ba ta isa ba, yanayin zafi na iya kaiwa sama da  ° C (100 ° F). Iska ta teku ta fi karfi a watan Disamba da Janairu, saboda yanayin teku da ƙasa suna da bambanci mafi girma fiye da Fabrairu da Maris. 

### Lokacin kaka
Lokacin kaka shine lokacin canji tsakanin bazara da hunturu. Yanayin bazara na iya kasancewa har zuwa tsakiyar Afrilu, kuma yanayin hunturu na iya bayyana a watan Mayu. Ruwa mai zafi har yanzu yana da yawa a watan Maris, tare da Yanayin zafi sama da  ° C (100 ° F). Maris da Afrilu sune watanni mafi yawanci ga ragowar guguwa na wurare masu zafi don tasiri ga Perth, har ma fiye da Janairu da Fabrairu. Mayu gabaɗaya shine watan farko inda akwai ruwan sama mai yawa na hunturu. Yanayin zafi ma ya fi sanyi, amma ba kamar sanyi ba kamar hunturu, tare da kwanaki a tsakiyar 20s har yanzu ya zama ruwan dare.

Yanayin teku yana da zafi sosai a lokacin kaka. Saurin iska bai kai saurin iska ba a lokacin bazara da rani.

### Lokacin hunturu
Perth yana da karamin kewayon yanayin zafi a lokacin hunturu, tare da matsakaicin yanayin zafi yawanci tsakanin  ° C (61 ° F) da  ° C (72 ° F), kuma mafi ƙarancin yanayin zafi yawancin tsakanin  ° C (37 ° F) zuwa  ° C (55 ° F). Watan da ya fi sanyi shine Yuli, tare da matsakaicin zafin jiki na  ° C (65.1 ° F), wanda ya fi na wasu manyan biranen Australiya 2: Brisbane da Darwin, da kuma matsakaicin matsakaicin yawan zafin jiki ya  ° C (46.2 ° F), yina ya fi na Sydney, Brisbane da Darwini.

Frost can occasionally form in Perth. Temperatures below  happen on average four times per year. Temperatures below  happen on average once every five years. The lowest temperature ever recorded for Perth is , on 17 June 2006, and the lowest temperature ever recorded in the metropolitan region is  at Jandakot Airport on the same day. Jandakot Airport tends to be the coldest part of Perth during winter, with temperatures below  occurring on average 14.6 times per year, and temperatures below  occurring on average 3.5 times per year. The lowest maximum temperature recorded for Perth is , on 26 June 1956. The highest maximum temperature recorded in winter for Perth is , on 28 August 2019, and the highest minimum recorded in winter for Perth is , on 7 August 2013.

Perth tana samun ruwan sama mai yawa a lokacin hunturu, tare da matsakaicin   in), a kwanakin ruwan sama 47.6, tsakanin Yuni da Agusta. Yawancin kwanakin ruwan sama suna samun ruwan sama mai yawa, kuma ana haɗa su da kwanakin rana da yawa. Yankin da ya fi ruwan sama  babban birni yana cikin Perth Hills . Bickley yana da matsakaicin ruwan sama na hunturu na   in), kuma Kalamunda yana da matsakaiciyar ruwan sama na   in).

Ruwan sama na hunturu na Perth yana rinjayar Yanayin kudancin (SAM). Lokacin da SAM yake da kyau, ruwan sama a Perth yana raguwa, kuma lokacin da SAM ba shi da kyau, ana ƙara ruwan sama a cikin Perth.

Duk da yake ba a taɓa yin rikodin dusar ƙanƙara a cikin Perth CBD ba, an ba da rahoton dusar ƙara mai sauƙi a cikin unguwanni na waje na Perth a cikin Persh Hills a kusa da Kalamunda, Roleystone da Mundaring. Snowfall na baya-bayan nan ya kasance a shekarar 1968.

## Manazarta