Swimming in Japan in december 2024 Sea temperature by city in december

Do you want to go to the beach in Japan in december 2024? 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 december in Japan by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Japan in december 2024

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

Kantō in december

on average:

63°F

min: 59°F / max: 68°F

on average:

65°F

min: 60°F / max: 70°F

Kamakura

on average:

66°F

min: 62°F / max: 71°F

on average:

66°F

min: 62°F / max: 71°F

Asahi

on average:

64°F

min: 59°F / max: 68°F

Chiba

on average:

64°F

min: 59°F / max: 68°F

Kyushu in december

on average:

65°F

min: 60°F / max: 70°F

on average:

70°F

min: 67°F / max: 73°F

on average:

66°F

min: 61°F / max: 71°F

Goto islands

on average:

67°F

min: 61°F / max: 72°F

Kitakyushu

on average:

65°F

min: 60°F / max: 70°F

Tanega-shima

on average:

71°F

min: 68°F / max: 74°F

Chūgoku in december

on average:

63°F

min: 57°F / max: 69°F

on average:

64°F

min: 59°F / max: 69°F

on average:

63°F

min: 59°F / max: 68°F

on average:

63°F

min: 58°F / max: 69°F

on average:

63°F

min: 57°F / max: 68°F

Tottori

on average:

61°F

min: 56°F / max: 65°F

Shikoku in december

on average:

68°F

min: 65°F / max: 73°F

on average:

67°F

min: 62°F / max: 70°F

on average:

67°F

min: 63°F / max: 72°F

Muroto

on average:

69°F

min: 65°F / max: 73°F

Tosashimizu

on average:

68°F

min: 65°F / max: 73°F

Matsuyama

on average:

66°F

min: 61°F / max: 71°F

Chūbu in december

on average:

63°F

min: 58°F / max: 68°F

on average:

60°F

min: 55°F / max: 65°F

Izu

on average:

65°F

min: 60°F / max: 70°F

Niigata

on average:

58°F

min: 52°F / max: 63°F

Sado island

on average:

57°F

min: 52°F / max: 62°F

Wajima

on average:

59°F

min: 54°F / max: 64°F

Okinawa in december

on average:

75°F

min: 72°F / max: 78°F

on average:

75°F

min: 73°F / max: 77°F

on average:

75°F

min: 72°F / max: 78°F

Aguni-jima

on average:

75°F

min: 72°F / max: 78°F

Higashi

on average:

75°F

min: 73°F / max: 78°F

Iheya-jima

on average:

75°F

min: 72°F / max: 78°F

Kansai in december

on average:

64°F

min: 60°F / max: 68°F

on average:

65°F

min: 60°F / max: 68°F

Ise

on average:

65°F

min: 60°F / max: 70°F

Kumano Kodo

on average:

69°F

min: 66°F / max: 73°F

Maizuru

on average:

62°F

min: 58°F / max: 66°F

Shingu

on average:

66°F

min: 61°F / max: 71°F

Hokkaidō in december

on average:

48°F

min: 44°F / max: 52°F

on average:

40°F

min: 35°F / max: 44°F

on average:

50°F

min: 44°F / max: 56°F

Monbetsu

on average:

38°F

min: 34°F / max: 42°F

Shiretoko National Park

on average:

39°F

min: 34°F / max: 44°F

Kushiro

on average:

42°F

min: 37°F / max: 47°F

Tōhoku in december

on average:

57°F

min: 52°F / max: 61°F

on average:

55°F

min: 49°F / max: 59°F

on average:

55°F

min: 52°F / max: 58°F

Hachinohe

on average:

52°F

min: 47°F / max: 58°F

Ishinomaki

on average:

55°F

min: 52°F / max: 59°F

Iwaki

on average:

58°F

min: 54°F / max: 61°F

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

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

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

As for Okinawa, Nago, Naha, Aguni-jima, Higashi, Iheya-jima, Ishigaki-jima, Itoman, Izenajima, Miyagi Island, Tanega-shima, Yakushima, Yonaguni-jima, Yoron-jima, Miyazaki, Nichinan and Shibushi Bay, swimming is pleasant in december. The sea water is 75°F on average (min: 72°F/max: 78°F) so you can easily spend time in the water.

Swimming in december in Tokyo, Fukuoka, Kochi, Osaka, Hakone, Izumo, Kagoshima (Kyushu), Kobe, Nagasaki, Okayama, Takamatsu, Tokushima, Goto islands, Ise, Izu, Kamakura, Kitakyushu, Kumano Kodo, Kure, Muroto, Tosashimizu, Yokohama, Asahi, Beppu/Ōita, Chiba, Fuji, Hamamatsu, Karatsu, Kimitsu, Matsuyama, Minamata, Niihama, Nobeoka, Saiki, Sasebo, Shingu, Shizuoka, Tamano, Tateyama, Uwajima and Wakayama is possible but the sea is generally cool. So though the sea temperature may sometimes reach 68°F, it can also go as low as 59°F. Note that the average is 63°F.

Swimming in december in Hiroshima, Nagoya, Kanazawa, Miyajima, Tottori, Hamada, Hikari, Kurayoshi, Maizuru, Masuda, Toyama and Ube is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 63°F (min: 57°F/max: 69°F).

Forget about swimming in Sapporo (Hokkaido), Abashiri, Akita, Aomori, Hakodate, Sendai (Honshu), Monbetsu, Niigata, Sado island, Shiretoko National Park, Wajima, Hachinohe, Hitachi-Naka, Ishinomaki, Iwaki, Joetsu, Kamaishi, Kushiro, Miyako, Muroran, Mutsu, Nagaoka, Nanao, Nemuro, Noshiro, Otaru, Sakata, Tomakomai and Wakkanai in december! The water temperature is freezing, reaching as low as 44°F (and only 52°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 december: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in december

Tokyo

December
Average sea temperature 63°F
Minimum sea temperature 59°F
Maximum sea temperature 68°F
Average outside temperature 52°F
Maximum outside temperature 56°F
Minimum outside temperature 47°F
Precipitation 2.1in
Number of days of precipitation 3 jour(s)
(10%)
Cloud cover 29%
Our opinion cool swimming

More information on swimming in Tokyo in december

Fukuoka

December
Average sea temperature 65°F
Minimum sea temperature 60°F
Maximum sea temperature 70°F
Average outside temperature 49°F
Maximum outside temperature 54°F
Minimum outside temperature 45°F
Precipitation 5.6in
Number of days of precipitation 7 jour(s)
(21%)
Cloud cover 51%
Our opinion cool swimming

More information on swimming in Fukuoka in december

Hiroshima

December
Average sea temperature 63°F
Minimum sea temperature 57°F
Maximum sea temperature 69°F
Average outside temperature 45°F
Maximum outside temperature 50°F
Minimum outside temperature 40°F
Precipitation 4.7in
Number of days of precipitation 5 jour(s)
(16%)
Cloud cover 42%
Our opinion cold swimming

More information on swimming in Hiroshima in december

Kochi

December
Average sea temperature 68°F
Minimum sea temperature 65°F
Maximum sea temperature 73°F
Average outside temperature 50°F
Maximum outside temperature 56°F
Minimum outside temperature 45°F
Precipitation 3.2in
Number of days of precipitation 4 jour(s)
(12%)
Cloud cover 26%
Our opinion cool swimming

More information on swimming in Kochi in december

Nagoya

December
Average sea temperature 63°F
Minimum sea temperature 58°F
Maximum sea temperature 68°F
Average outside temperature 47°F
Maximum outside temperature 52°F
Minimum outside temperature 41°F
Precipitation 2.9in
Number of days of precipitation 4 jour(s)
(12%)
Cloud cover 34%
Our opinion cold swimming

More information on swimming in Nagoya in december

List of coastal cities in Japan

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