Swimming in Japan in january 2025 Sea temperature by city in january
Do you want to go to the beach in Japan in january 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 january in Japan by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Japan in january 2025
Here, find the average sea temperature in Japan in january in several coastal cities.
Kantō in january
60°F
min: 57°F / max: 64°F
62°F
min: 57°F / max: 67°F
Kamakura
63°F
min: 58°F / max: 68°F
63°F
min: 58°F / max: 68°F
Asahi
62°F
min: 56°F / max: 67°F
Chiba
61°F
min: 57°F / max: 65°F
Kyushu in january
61°F
min: 57°F / max: 65°F
67°F
min: 64°F / max: 69°F
63°F
min: 58°F / max: 66°F
Goto islands
63°F
min: 59°F / max: 67°F
Kitakyushu
61°F
min: 57°F / max: 65°F
Tanega-shima
68°F
min: 66°F / max: 71°F
Chūgoku in january
58°F
min: 55°F / max: 62°F
60°F
min: 56°F / max: 63°F
59°F
min: 55°F / max: 62°F
59°F
min: 55°F / max: 62°F
58°F
min: 55°F / max: 62°F
Tottori
56°F
min: 53°F / max: 61°F
Shikoku in january
64°F
min: 60°F / max: 67°F
61°F
min: 59°F / max: 64°F
62°F
min: 58°F / max: 65°F
Muroto
64°F
min: 61°F / max: 67°F
Tosashimizu
64°F
min: 61°F / max: 67°F
Matsuyama
61°F
min: 58°F / max: 64°F
Chūbu in january
59°F
min: 55°F / max: 63°F
56°F
min: 53°F / max: 60°F
Izu
61°F
min: 56°F / max: 66°F
Niigata
54°F
min: 50°F / max: 58°F
Sado island
54°F
min: 51°F / max: 57°F
Wajima
56°F
min: 52°F / max: 59°F
Okinawa in january
73°F
min: 69°F / max: 76°F
72°F
min: 68°F / max: 76°F
73°F
min: 69°F / max: 76°F
Aguni-jima
72°F
min: 69°F / max: 76°F
Higashi
72°F
min: 68°F / max: 76°F
Iheya-jima
72°F
min: 68°F / max: 76°F
Kansai in january
59°F
min: 56°F / max: 63°F
59°F
min: 56°F / max: 63°F
Ise
62°F
min: 57°F / max: 66°F
Kumano Kodo
64°F
min: 62°F / max: 67°F
Maizuru
57°F
min: 54°F / max: 61°F
Shingu
62°F
min: 58°F / max: 66°F
Hokkaidō in january
44°F
min: 40°F / max: 48°F
34°F
min: 30°F / max: 38°F
46°F
min: 40°F / max: 51°F
Monbetsu
32°F
min: 30°F / max: 35°F
Shiretoko National Park
34°F
min: 29°F / max: 38°F
Kushiro
37°F
min: 32°F / max: 41°F
Tōhoku in january
52°F
min: 48°F / max: 56°F
50°F
min: 47°F / max: 54°F
53°F
min: 48°F / max: 58°F
Hachinohe
49°F
min: 45°F / max: 53°F
Ishinomaki
52°F
min: 47°F / max: 58°F
Iwaki
57°F
min: 51°F / max: 63°F
Where should you go swimming in Japan in the month of january?
Swimming in Japan in january is pleasant (in the best case scenario)
In january 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, Yonaguni-jima and Yoron-jima, swimming is pleasant in january. The sea water is 73°F on average (min: 69°F/max: 76°F) so you can easily spend time in the water.
Swimming in january in Kochi, Kagoshima (Kyushu), Goto islands, Kumano Kodo, Muroto, Tanega-shima, Tosashimizu, Yakushima, Yokohama, Minamata, 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 67°F, it can also go as low as 60°F. Note that the average is 64°F.
Swimming in january in Tokyo, Fukuoka, Hakone, Izumo, Nagasaki, Takamatsu, Tokushima, Ise, Izu, Kamakura, Kitakyushu, Asahi, Beppu/Ōita, Chiba, Fuji, Hamamatsu, Karatsu, Kimitsu, Matsuyama, Niihama, Sasebo, Shingu, Shizuoka, Tamano and Wakayama is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 60°F (min: 57°F/max: 64°F).
Forget about swimming in Hiroshima, Nagoya, Osaka, Sapporo (Hokkaido), Abashiri, Akita, Aomori, Hakodate, Kanazawa, Kobe, Okayama, Sendai (Honshu), Kure, Miyajima, Monbetsu, Niigata, Sado island, Shiretoko National Park, Tottori, Wajima, Hachinohe, Hamada, Hikari, Hitachi-Naka, Ishinomaki, Iwaki, Joetsu, Kamaishi, Kurayoshi, Kushiro, Maizuru, Masuda, Miyako, Muroran, Mutsu, Nagaoka, Nanao, Nemuro, Noshiro, Otaru, Sakata, Tomakomai, Toyama, Ube and Wakkanai in january! The water temperature is freezing, reaching as low as 55°F (and only 62°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 january: the map of sea temperatures
Water temperature and seasonal norms in january
Tokyo
January | |||
Average sea temperature | 60°F | ||
Minimum sea temperature | 57°F | ||
Maximum sea temperature | 64°F | ||
Average outside temperature | 47°F | ||
Maximum outside temperature | 52°F | ||
Minimum outside temperature | 41°F | ||
Precipitation | 2.2in | ||
Number of days of precipitation | 3 jour(s) (10%) | ||
Cloud cover | 28% | ||
Our opinion | cold swimming |
More information on swimming in Tokyo in january
Fukuoka
January | |||
Average sea temperature | 61°F | ||
Minimum sea temperature | 57°F | ||
Maximum sea temperature | 65°F | ||
Average outside temperature | 45°F | ||
Maximum outside temperature | 50°F | ||
Minimum outside temperature | 41°F | ||
Precipitation | 4.4in | ||
Number of days of precipitation | 5 jour(s) (17%) | ||
Cloud cover | 53% | ||
Our opinion | cold swimming |
More information on swimming in Fukuoka in january
Hiroshima
January | |||
Average sea temperature | 58°F | ||
Minimum sea temperature | 55°F | ||
Maximum sea temperature | 62°F | ||
Average outside temperature | 41°F | ||
Maximum outside temperature | 47°F | ||
Minimum outside temperature | 36°F | ||
Precipitation | 3.6in | ||
Number of days of precipitation | 4 jour(s) (13%) | ||
Cloud cover | 45% | ||
Our opinion | freezing swimming |
More information on swimming in Hiroshima in january
Kochi
January | |||
Average sea temperature | 64°F | ||
Minimum sea temperature | 60°F | ||
Maximum sea temperature | 67°F | ||
Average outside temperature | 47°F | ||
Maximum outside temperature | 52°F | ||
Minimum outside temperature | 40°F | ||
Precipitation | 2.6in | ||
Number of days of precipitation | 3 jour(s) (10%) | ||
Cloud cover | 28% | ||
Our opinion | cool swimming |
More information on swimming in Kochi in january
Nagoya
January | |||
Average sea temperature | 59°F | ||
Minimum sea temperature | 55°F | ||
Maximum sea temperature | 63°F | ||
Average outside temperature | 41°F | ||
Maximum outside temperature | 47°F | ||
Minimum outside temperature | 36°F | ||
Precipitation | 2.3in | ||
Number of days of precipitation | 3 jour(s) (11%) | ||
Cloud cover | 35% | ||
Our opinion | freezing swimming |
More information on swimming in Nagoya in january
List of coastal cities in Japan
Tokyo in january | cold swimming |
Fukuoka in january | cold swimming |
Hiroshima in january | freezing swimming |
Kochi in january | cool swimming |
Nagoya in january | freezing swimming |
Okinawa in january | pleasant swimming |
Osaka in january | freezing swimming |
Sapporo (Hokkaido) in january | freezing swimming |
Abashiri in january | freezing swimming |
Akita in january | freezing swimming |
Aomori in january | freezing swimming |
Hakodate in january | freezing swimming |
Hakone in january | cold swimming |
Izumo in january | cold swimming |
Kagoshima (Kyushu) in january | cool swimming |
Kanazawa in january | freezing swimming |
Kobe in january | freezing swimming |
Nagasaki in january | cold swimming |
Nago in january | pleasant swimming |
Naha in january | pleasant swimming |
Okayama in january | freezing swimming |
Sendai (Honshu) in january | freezing swimming |
Takamatsu in january | cold swimming |
Tokushima in january | cold swimming |
Aguni-jima in january | pleasant swimming |
Goto islands in january | cool swimming |
Higashi in january | pleasant swimming |
Iheya-jima in january | pleasant swimming |
Ise in january | cold swimming |
Ishigaki-jima in january | pleasant swimming |
Itoman in january | pleasant swimming |
Izenajima in january | pleasant swimming |
Izu in january | cold swimming |
Kamakura in january | cold swimming |
Kitakyushu in january | cold swimming |
Kumano Kodo in january | cool swimming |
Kure in january | freezing swimming |
Miyagi Island in january | pleasant swimming |
Miyajima in january | freezing swimming |
Monbetsu in january | freezing swimming |
Muroto in january | cool swimming |
Niigata in january | freezing swimming |
Sado island in january | freezing swimming |
Shiretoko National Park in january | freezing swimming |
Tanega-shima in january | cool swimming |
Tosashimizu in january | cool swimming |
Tottori in january | freezing swimming |
Wajima in january | freezing swimming |
Yakushima in january | cool swimming |
Yokohama in january | cool swimming |
Yonaguni-jima in january | pleasant swimming |
Yoron-jima in january | pleasant swimming |
Asahi in january | cold swimming |
Beppu/Ōita in january | cold swimming |
Chiba in january | cold swimming |
Fuji in january | cold swimming |
Hachinohe in january | freezing swimming |
Hamada in january | freezing swimming |
Hamamatsu in january | cold swimming |
Hikari in january | freezing swimming |
Hitachi-Naka in january | freezing swimming |
Ishinomaki in january | freezing swimming |
Iwaki in january | freezing swimming |
Joetsu in january | freezing swimming |
Kamaishi in january | freezing swimming |
Karatsu in january | cold swimming |
Kimitsu in january | cold swimming |
Kurayoshi in january | freezing swimming |
Kushiro in january | freezing swimming |
Maizuru in january | freezing swimming |
Masuda in january | freezing swimming |
Matsuyama in january | cold swimming |
Minamata in january | cool swimming |
Miyako in january | freezing swimming |
Miyazaki in january | cool swimming |
Muroran in january | freezing swimming |
Mutsu in january | freezing swimming |
Nagaoka in january | freezing swimming |
Nanao in january | freezing swimming |
Nemuro in january | freezing swimming |
Nichinan in january | cool swimming |
Niihama in january | cold swimming |
Nobeoka in january | cool swimming |
Noshiro in january | freezing swimming |
Otaru in january | freezing swimming |
Saiki in january | cool swimming |
Sakata in january | freezing swimming |
Sasebo in january | cold swimming |
Shibushi Bay in january | cool swimming |
Shingu in january | cold swimming |
Shizuoka in january | cold swimming |
Tamano in january | cold swimming |
Tateyama in january | cool swimming |
Tomakomai in january | freezing swimming |
Toyama in january | freezing swimming |
Ube in january | freezing swimming |
Uwajima in january | cool swimming |
Wakayama in january | cold swimming |
Wakkanai in january | freezing swimming |