Since there are four distinct seasons in Japan, many locals tend to enjoy the food that can be seen only in the certain time of the year. There is a Japanese word they often use to express the food that is in season called "shun". The "shun" dishes are not only fresh and delicious, but also considered the valuable gift from the great nature that changes from time to time. For that reason, many people in Japan show great appreciation towards all living things in transition, which is probably why they still keep the custom through the ages to express the gratitude before the meal by saying "Itadakimasu" which generally means "thank you for letting us take your lives". It is very important for the Japanese to eat along with the transition and the restaurants to serve the best dishes of the most “shun” time.
Picrumb has listed below to give you the idea of the "shun" dishes in each month. It may be helpful to know the exceptional food in season before you order something unseasonable at the sushi restaurants.
Akagai (あかがい) - ark shell
Ankou (あんこう) - anglerfish
Ama ebi (あまえび) - northern shrimp
Hamachi (はまち) - young yellowtail
Iidako (イイダコ) - ocellated octopus
Kinmedai (きんめだい) - red snapper
Yari ika (ヤリイカ) - spear squid
Kohada (こはだ(このしろ)) - medium‐sized gizzard shad
Ise ebi (いせえび) - lobster
Sawara (さわら) - Japanese Spanish mackerel
Kaki (かき) - oyster
Tara (たら) - codfish
Zuwai gani (ずわいがに) - snow crab
Hirame (ひらめ) - flatfish
Taraba gani (タラバガニ) - red king crab
Buri (ぶり) - yellowtail
Kegani (けがに) - hair crab
Houbou (ほうぼう) - gurnard
Shijimi (しじみ) - shijimi clam
Bora (ぼら) - striped mullet
Nori (のり) - seaweed
Wakasagi (わかさぎ) - pond smelt
Hotate (ほたて) - Japanese scallop
Aoyagi (あおやぎ) - trough shell
Nori (のり) - seaweed
Akagai (あかがい) - ark shell
Hamaguri (はまぐり) - clam
Asari (あさり) - asari clam
Ankou (あんこう) - anglerfish
Ama ebi (あまえび) - northern shrimp
Kinmedai (きんめだい) - red snapper
Iidako (イイダコ) - ocellated octopus
Sawara (さわら) - Japanese Spanish mackerel
Yari ika (ヤリイカ) - spear squid
Shirauo (しらうお) - icefish
Kaki (かき) - oyster
Tai (たい) - Sea bream
Zuwai gani (ずわいがに) - snow crab
Hirame (ひらめ) - flatfish
Taraba gani (タラバガニ) - red king crab
Houbou (ほうぼう) - gurnard
Shijimi (しじみ) - shijimi clam
Wakasagi (わかさぎ) - pond smelt
Aoyagi (あおやぎ) - trough shell
Hijiki (ひじき) - hijiki (a kind of edible seaweed)
Akagai (あかがい) - ark shell
Wakame (わかめ) - wakame (a kind of seaweed)
Asari (あさり) - asari clam
Sayori (さより) - halfbeak
Iidako (イイダコ) - ocellated octopus
Sawara (さわら) - Japanese Spanish mackerel
Yari ika (ヤリイカ) - spear squid
Shirauo (しらうお) - icefish
Kaki (かき) - oyster
Shirasu (しらす) - whitebait
Kazunoko (かずのこ) - herring roe
Tai (たい) - Sea bream
Zuwai gani (ずわいがに) - snow crab
Nishin (にしん) - herring
Hamaguri (はまぐり) - clam
Houbou (ほうぼう) - gurnard
Wakasagi (わかさぎ) - pond smelt
Aoyagi (あおやぎ) - trough shell
Mozuku (もずく) - mozuku seaweed seasoned with vinegar
Asari (あさり) - asari clam
Wakame (わかめ) - wakame (a kind of seaweed)
Kou ika (コウイカ) - golden cuttlefish
Hijiki (ひじき) - hijiki (a kind of edible seaweed)
Kaki (かき) - oyster
Sawara (さわら) - Japanese Spanish mackerel
Kazunoko (かずのこ) - herring roe
Shirauo (しらうお) - icefish
Kegani (けがに) - hair crab
Shirasu (しらす) - whitebait
Tori gai (とりがい) - cockle
Tai (たい) - Sea bream
Hotaru ika (ほたるいか) - firefly squid
Nishin (にしん) - herring
Madako (まだこ) - common octopus
Mebaru (めばる) - black rockfish
Sayori (さより) - halfbeak
Aori ika (アオリイカ) - bigfin reef squid
Mozuku (もずく) - mozuku seaweed seasoned with vinegar
Kou ika (コウイカ) - golden cuttlefish
Wakame (わかめ) - wakame (a kind of seaweed)
Uni (ウニ) - sea urchin
Aji (あじ) - horse mackerel
Kegani (けがに) - hair crab
Isaki (いさき) - grunt
Sazae (さざえ) - a turban shell
Katsuo (かつお) - bonito
Tori gai (とりがい) - cockle
Kibinago (きびなご) - silver-stripe round herring
Hotaru ika (ほたるいか) - firefly squid
Sawara (さわら) - Japanese Spanish mackerel
Madako (まだこ) - common octopus
Shirasu (しらす) - whitebait
Mebaru (めばる) - black rockfish
Aori ika (アオリイカ) - bigfin reef squid
Mozuku (もずく) - mozuku seaweed seasoned with vinegar
Kou ika (コウイカ) - golden cuttlefish
Surume Ika (スルメイカ) - Japanese common squid
Uni (ウニ) - sea urchin
Kajiki Maguro (かじきまぐろ) - marlin
Kuruma ebi (くるまえび) - kuruma prawn
Katsuo (かつお) - bonito
Kegani (けがに) - hair crab
Kamasu (かます) - barracuda
Sazae (さざえ) - a turban shell
Kawahagi (かわはぎ) - filefish
Tori gai (とりがい) - cockle
Kanpachi (かんぱち) - greater amberjack
Hoya (ほや) - a sea squirt
Kisu (きす) - sillaginoid
Madako (まだこ) - common octopus
Kibinago (きびなご) - silver-stripe round herring
Aji (あじ) - horse mackerel
Sawara (さわら) - Japanese Spanish mackerel
Ayu (あゆ) - sweetfish
Suzuki (すずき) - sea bass
Isaki (いさき) - grunt
Dojou (どじょう) - loach
Iwashi (いわし) - sardine
Tobiuo (とびうお) - flying fish
Mebaru (めばる) - black rockfish
Aori ika (アオリイカ) - bigfin reef squid
Surume Ika (スルメイカ) - Japanese common squid
Uni (ウニ) - sea urchin
Ayu (あゆ) - sweetfish
Kuruma ebi (くるまえび) - kuruma prawn
Kajiki Maguro (かじきまぐろ) - marlin
Kegani (けがに) - hair crab
Kamasu (かます) - barracuda
Konbu (こんぶ) - tangle(weed)
Kawahagi (かわはぎ) - filefish
Sazae (さざえ) - a turban shell
Kanpachi (かんぱち) - greater amberjack
Shijimi (しじみ) - shijimi clam
Kisu (きす) - sillaginoid
Tori gai (とりがい) - cockle
Suzuki (すずき) - sea bass
Hoya (ほや) - a sea squirt
Tachiuo (たちうお) - hairtail
Madako (まだこ) - common octopus
Dojou (どじょう) - loach
Aji (あじ) - horse mackerel
Tobiuo (とびうお) - flying fish
Iwashi (いわし) - sardine
Hamo (はも) - pike conger
Unagi (うなぎ) - eel
Ayu (あゆ) - sweetfish
Awabi (あわび) - abalone
Iwashi (いわし) - sardine
Aori ika (アオリイカ) - bigfin reef squid
Kajiki Maguro (かじきまぐろ) - marlin
Surume Ika (スルメイカ) - Japanese common squid
Kamasu (かます) - barracuda
Uni (ウニ) - sea urchin
Kawahagi (かわはぎ) - filefish
Kuruma ebi (くるまえび) - kuruma prawn
Kanpachi (かんぱち) - greater amberjack
Kegani (けがに) - hair crab
Kisu (きす) - sillaginoid
Konbu (こんぶ) - tangle(weed)
Suzuki (すずき) - sea bass
Sazae (さざえ) - a turban shell
Tachiuo (たちうお) - hairtail
Madako (まだこ) - common octopus
Awabi (あわび) - abalone
Surume Ika (スルメイカ) - Japanese common squid
Ikura (いくら) - salmon roe
Kanpachi (かんぱち) - greater amberjack
Kuruma ebi (くるまえび) - kuruma prawn
Sake (さけ) - salmon
Kegani (けがに) - hair crab
Sanma (さんま) - Pacific saury
Konbu (こんぶ) - tangle(weed)
Shirasu (しらす) - whitebait
Iwashi (いわし) - sardine
Tachiuo (たちうお) - hairtail
Katsuo (かつお) - bonito
Ikura (いくら) - salmon roe
Surume Ika (スルメイカ) - Japanese common squid
Unagi (うなぎ) - eel
Kegani (けがに) - hair crab
Sanma (さんま) - Pacific saury
Iwashi (いわし) - sardine
Shirasu (しらす) - whitebait
Katsuo (かつお) - bonito
Tachiuo (たちうお) - hairtail
Sake (さけ) - salmon
Hata hata (はたはた) - sandfish
Saba (さば) - mackerel
Hamo (はも) - pike conger
Sawara (さわら) - Japanese Spanish mackerel
Bora (ぼら) - striped mullet
Ise ebi (いせえび) - lobster
Ikura (いくら) - salmon roe
Kohada (こはだ(このしろ)) - medium‐sized gizzard shad
Ise ebi (いせえび) - lobster
Sake (さけ) - salmon
Taraba gani (タラバガニ) - red king crab
Saba (さば) - mackerel
Kegani (けがに) - hair crab
Sawara (さわら) - Japanese Spanish mackerel
Nori (のり) - seaweed
Shishamo (ししゃも) - smelt
Hamachi (はまち) - young yellowtail
Tachiuo (たちうお) - hairtail
Unagi (うなぎ) - eel
Hata hata (はたはた) - sandfish
Kamasu (かます) - barracuda
Hamo (はも) - pike conger
Hirame (ひらめ) - flatfish
Bora (ぼら) - striped mullet
Akagai (あかがい) - ark shell
Kamasu (かます) - barracuda
Iidako (イイダコ) - ocellated octopus
Kinmedai (きんめだい) - red snapper
Yari ika (ヤリイカ) - spear squid
Kohada (こはだ(このしろ)) - medium‐sized gizzard shad
Ise ebi (いせえび) - lobster
Saba (さば) - mackerel
Kaki (かき) - oyster
Sawara (さわら) - Japanese Spanish mackerel
Taraba Gani (タラバガニ) - red king crab
Shishamo (ししゃも) - smelt
Kegani (けがに) - hair crab
Tara (たら) - codfish
Nori (のり) - seaweed
Hata hata (はたはた) - sandfish
Ankou (あんこう) - anglerfish
Hirame (ひらめ) - flatfish
Hamachi (はまち) - young yellowtail
Buri (ぶり) - yellowtail
Unagi (うなぎ) - eel
Houbou (ほうぼう) - gurnard
Bora (ぼら) - striped mullet