Swimming in Japan in march 2025 Sea temperature by city in march

Do you want to go to the beach in Japan in march 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in march in Japan by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Japan in march 2025

Here, find the average sea temperature in Japan in march in several coastal cities.

Kantō in march

on average:

58°F

min: 56°F / max: 60°F

on average:

61°F

min: 57°F / max: 64°F

Kamakura

on average:

62°F

min: 59°F / max: 65°F

on average:

62°F

min: 59°F / max: 65°F

Asahi

on average:

59°F

min: 54°F / max: 65°F

Chiba

on average:

59°F

min: 55°F / max: 62°F

Kyushu in march

on average:

58°F

min: 56°F / max: 60°F

on average:

65°F

min: 63°F / max: 67°F

on average:

60°F

min: 59°F / max: 61°F

Goto islands

on average:

60°F

min: 58°F / max: 61°F

Kitakyushu

on average:

58°F

min: 56°F / max: 59°F

Tanega-shima

on average:

68°F

min: 66°F / max: 70°F

Chūgoku in march

on average:

55°F

min: 52°F / max: 58°F

on average:

57°F

min: 55°F / max: 60°F

on average:

56°F

min: 55°F / max: 59°F

on average:

56°F

min: 53°F / max: 59°F

on average:

55°F

min: 52°F / max: 58°F

Tottori

on average:

54°F

min: 51°F / max: 57°F

Shikoku in march

on average:

63°F

min: 60°F / max: 65°F

on average:

60°F

min: 58°F / max: 62°F

on average:

61°F

min: 58°F / max: 64°F

Muroto

on average:

63°F

min: 60°F / max: 66°F

Tosashimizu

on average:

64°F

min: 61°F / max: 66°F

Matsuyama

on average:

59°F

min: 57°F / max: 61°F

Chūbu in march

on average:

57°F

min: 54°F / max: 58°F

on average:

52°F

min: 50°F / max: 54°F

Izu

on average:

59°F

min: 56°F / max: 63°F

Niigata

on average:

50°F

min: 48°F / max: 52°F

Sado island

on average:

50°F

min: 49°F / max: 52°F

Wajima

on average:

51°F

min: 49°F / max: 54°F

Okinawa in march

on average:

70°F

min: 68°F / max: 74°F

on average:

70°F

min: 67°F / max: 73°F

on average:

70°F

min: 67°F / max: 74°F

Aguni-jima

on average:

70°F

min: 68°F / max: 74°F

Higashi

on average:

70°F

min: 67°F / max: 73°F

Iheya-jima

on average:

70°F

min: 67°F / max: 74°F

Kansai in march

on average:

58°F

min: 56°F / max: 60°F

on average:

58°F

min: 55°F / max: 59°F

Ise

on average:

61°F

min: 57°F / max: 64°F

Kumano Kodo

on average:

64°F

min: 62°F / max: 66°F

Maizuru

on average:

54°F

min: 52°F / max: 56°F

Shingu

on average:

61°F

min: 59°F / max: 63°F

Hokkaidō in march

on average:

42°F

min: 40°F / max: 44°F

on average:

31°F

min: 28°F / max: 34°F

on average:

41°F

min: 38°F / max: 44°F

Monbetsu

on average:

32°F

min: 29°F / max: 35°F

Shiretoko National Park

on average:

30°F

min: 27°F / max: 33°F

Kushiro

on average:

34°F

min: 31°F / max: 38°F

Tōhoku in march

on average:

49°F

min: 47°F / max: 50°F

on average:

47°F

min: 44°F / max: 49°F

on average:

46°F

min: 45°F / max: 47°F

Hachinohe

on average:

44°F

min: 39°F / max: 48°F

Ishinomaki

on average:

45°F

min: 43°F / max: 47°F

Iwaki

on average:

53°F

min: 45°F / max: 60°F

Where should you go swimming in Japan in the month of march?

Swimming in Japan in march is pleasant (in the best case scenario)

In march in Japan swimming conditions vary by city. Details below:

As for Okinawa, Naha, Aguni-jima, Ishigaki-jima, Itoman, Miyagi Island and Yonaguni-jima, swimming is pleasant in march. The sea water is 70°F on average (min: 68°F/max: 74°F) so you can easily spend time in the water.

Swimming in march in Kochi, Kagoshima (Kyushu), Nago, Higashi, Iheya-jima, Izenajima, Kumano Kodo, Tanega-shima, Tosashimizu, Yakushima, Yoron-jima, Miyazaki, Nichinan, Nobeoka, Saiki, Shibushi Bay, Tateyama and Uwajima is possible but the sea is generally cool. So though the sea temperature may sometimes reach 65°F, it can also go as low as 60°F. Note that the average is 63°F.

Swimming in march in Hakone, Nagasaki, Takamatsu, Tokushima, Goto islands, Ise, Izu, Kamakura, Muroto, Yokohama, Fuji, Hamamatsu, Kimitsu, Minamata, Niihama, Shingu, Shizuoka and Wakayama is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 61°F (min: 57°F/max: 64°F).

Forget about swimming in Tokyo, Fukuoka, Hiroshima, Nagoya, Osaka, Sapporo (Hokkaido), Abashiri, Akita, Aomori, Hakodate, Izumo, Kanazawa, Kobe, Okayama, Sendai (Honshu), Kitakyushu, Kure, Miyajima, Monbetsu, Niigata, Sado island, Shiretoko National Park, Tottori, Wajima, Asahi, Beppu/Ōita, Chiba, Hachinohe, Hamada, Hikari, Hitachi-Naka, Ishinomaki, Iwaki, Joetsu, Kamaishi, Karatsu, Kurayoshi, Kushiro, Maizuru, Masuda, Matsuyama, Miyako, Muroran, Mutsu, Nagaoka, Nanao, Nemuro, Noshiro, Otaru, Sakata, Sasebo, Tamano, Tomakomai, Toyama, Ube and Wakkanai in march! The water temperature is freezing, reaching as low as 56°F (and only 60°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!

Where to go swimming in Japan in march: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in march

Tokyo

March
Average sea temperature 58°F
Minimum sea temperature 56°F
Maximum sea temperature 60°F
Average outside temperature 54°F
Maximum outside temperature 59°F
Minimum outside temperature 49°F
Precipitation 3.9in
Number of days of precipitation 5 jour(s)
(17%)
Cloud cover 42%
Our opinion freezing swimming

More information on swimming in Tokyo in march

Fukuoka

March
Average sea temperature 58°F
Minimum sea temperature 56°F
Maximum sea temperature 60°F
Average outside temperature 52°F
Maximum outside temperature 58°F
Minimum outside temperature 49°F
Precipitation 5.9in
Number of days of precipitation 6 jour(s)
(19%)
Cloud cover 43%
Our opinion freezing swimming

More information on swimming in Fukuoka in march

Hiroshima

March
Average sea temperature 55°F
Minimum sea temperature 52°F
Maximum sea temperature 58°F
Average outside temperature 49°F
Maximum outside temperature 58°F
Minimum outside temperature 41°F
Precipitation 6.3in
Number of days of precipitation 6 jour(s)
(20%)
Cloud cover 40%
Our opinion freezing swimming

More information on swimming in Hiroshima in march

Kochi

March
Average sea temperature 63°F
Minimum sea temperature 60°F
Maximum sea temperature 65°F
Average outside temperature 54°F
Maximum outside temperature 59°F
Minimum outside temperature 47°F
Precipitation 5.4in
Number of days of precipitation 6 jour(s)
(19%)
Cloud cover 35%
Our opinion cool swimming

More information on swimming in Kochi in march

Nagoya

March
Average sea temperature 57°F
Minimum sea temperature 54°F
Maximum sea temperature 58°F
Average outside temperature 50°F
Maximum outside temperature 58°F
Minimum outside temperature 41°F
Precipitation 5.4in
Number of days of precipitation 6 jour(s)
(19%)
Cloud cover 36%
Our opinion freezing swimming

More information on swimming in Nagoya in march

List of coastal cities in Japan

Tokyo in marchfreezing swimming
Fukuoka in marchfreezing swimming
Hiroshima in marchfreezing swimming
Kochi in marchcool swimming
Nagoya in marchfreezing swimming
Okinawa in marchpleasant swimming
Osaka in marchfreezing swimming
Sapporo (Hokkaido) in marchfreezing swimming
Abashiri in marchfreezing swimming
Akita in marchfreezing swimming
Aomori in marchfreezing swimming
Hakodate in marchfreezing swimming
Hakone in marchcold swimming
Izumo in marchfreezing swimming
Kagoshima (Kyushu) in marchcool swimming
Kanazawa in marchfreezing swimming
Kobe in marchfreezing swimming
Nagasaki in marchcold swimming
Nago in marchcool swimming
Naha in marchpleasant swimming
Okayama in marchfreezing swimming
Sendai (Honshu) in marchfreezing swimming
Takamatsu in marchcold swimming
Tokushima in marchcold swimming
Aguni-jima in marchpleasant swimming
Goto islands in marchcold swimming
Higashi in marchcool swimming
Iheya-jima in marchcool swimming
Ise in marchcold swimming
Ishigaki-jima in marchpleasant swimming
Itoman in marchpleasant swimming
Izenajima in marchcool swimming
Izu in marchcold swimming
Kamakura in marchcold swimming
Kitakyushu in marchfreezing swimming
Kumano Kodo in marchcool swimming
Kure in marchfreezing swimming
Miyagi Island in marchpleasant swimming
Miyajima in marchfreezing swimming
Monbetsu in marchfreezing swimming
Muroto in marchcold swimming
Niigata in marchfreezing swimming
Sado island in marchfreezing swimming
Shiretoko National Park in marchfreezing swimming
Tanega-shima in marchcool swimming
Tosashimizu in marchcool swimming
Tottori in marchfreezing swimming
Wajima in marchfreezing swimming
Yakushima in marchcool swimming
Yokohama in marchcold swimming
Yonaguni-jima in marchpleasant swimming
Yoron-jima in marchcool swimming
Asahi in marchfreezing swimming
Beppu/Ōita in marchfreezing swimming
Chiba in marchfreezing swimming
Fuji in marchcold swimming
Hachinohe in marchfreezing swimming
Hamada in marchfreezing swimming
Hamamatsu in marchcold swimming
Hikari in marchfreezing swimming
Hitachi-Naka in marchfreezing swimming
Ishinomaki in marchfreezing swimming
Iwaki in marchfreezing swimming
Joetsu in marchfreezing swimming
Kamaishi in marchfreezing swimming
Karatsu in marchfreezing swimming
Kimitsu in marchcold swimming
Kurayoshi in marchfreezing swimming
Kushiro in marchfreezing swimming
Maizuru in marchfreezing swimming
Masuda in marchfreezing swimming
Matsuyama in marchfreezing swimming
Minamata in marchcold swimming
Miyako in marchfreezing swimming
Miyazaki in marchcool swimming
Muroran in marchfreezing swimming
Mutsu in marchfreezing swimming
Nagaoka in marchfreezing swimming
Nanao in marchfreezing swimming
Nemuro in marchfreezing swimming
Nichinan in marchcool swimming
Niihama in marchcold swimming
Nobeoka in marchcool swimming
Noshiro in marchfreezing swimming
Otaru in marchfreezing swimming
Saiki in marchcool swimming
Sakata in marchfreezing swimming
Sasebo in marchfreezing swimming
Shibushi Bay in marchcool swimming
Shingu in marchcold swimming
Shizuoka in marchcold swimming
Tamano in marchfreezing swimming
Tateyama in marchcool swimming
Tomakomai in marchfreezing swimming
Toyama in marchfreezing swimming
Ube in marchfreezing swimming
Uwajima in marchcool swimming
Wakayama in marchcold swimming
Wakkanai in marchfreezing swimming
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