Sakamakon sauyin yanayi ya fi shafan yanayin muhallin Hong Kong . Yanayin Hong Kong yanayi ne na yanayi saboda canjin yanayin iska tsakanin lokacin sanyi da bazara. Hong Kong tana da kwanciyar hankali a yanayin ƙasa tsawon miliyoyin shekaru. Flora da fauna a Hong Kong suna canzawa ta canjin yanayi, canjin yanayin teku, da tasirin ɗan adam. Yanayin Hong Kong yana da yanayi mai zafi amma rabin shekara yana da zafi . Yankin yana Kudu da wurare masu zafi na Cancer wanda yayi daidai da Hawaii a latitude . To Sai dai A lokacin sanyi, iska mai ƙarfi da sanyi takan tashi daga Arewa zuwa Hong Kong; a lokacin rani, iska tana jujjuya alkibla kuma tana kawo iska mai dumi da ɗanɗano daga Kudu. Wannan yanayin zai tallafa wa gandun daji na wurare masu zafi . Ana ɗaukar Hong Kong mai wadatar nau'ikan nau'ikan iri. Yawan nau'in tsuntsayen da ke Hong Kong ya kai kashi uku bisa uku na na kasar Sin yayin da adadin nau'in malam buɗe ido shi ma ya kasance kashi shida (6) na jimillar nau'in malam buɗe ido a kasar Sin bisa ga binciken da aka yi.