Swim in Tokyo in december 2024What is the temperature of the sea in in december?

Average sea temperature in Tokyo in december 2024.

In december, according to seasonal norms, the sea temperature in Tokyo is:

Minimum: 59°F

Average: 63°F

Maximum: 68°F

Other useful seasonal weather averages in december:

  • Outside temperature: 46°F to 55°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 3.7mph
  • It rains a total of 2.1in, over 3 day(s).

Should we swim in Tokyo in december?

Yes... and no. The water temperature in Tokyo in december is cool

Swimming in december on the beaches of Tokyo is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 68°F, it can also be as low as 59°F! Note that the average is 63°F.

Note also that in december, the climate is tolerable with an average outside temperature of 51°F, 2.1in of precipitation (over 3 days) and 67.72 % humidity.

Water and normal seasonal temperatures in Tokyo in december

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
Wind speed 10.6mph
Wind temperature 43°F
Precipitation 2.1in
Number of days of rain 3 jour(s)
(10%)
Humidity 68%
Visibility in kilometers 9.63km
Cloud cover 29%
Our opinion cool swimming

Swim elsewhere in Japan in december

City Average T° Max. T° Our opinion
Fukuoka in december65°F70°Fcool swimming
Hiroshima in december63°F69°Fcold swimming
Kochi in december68°F73°Fcool swimming
Nagoya in december63°F68°Fcold swimming
Okinawa in december75°F78°Fpleasant swimming
Osaka in december64°F68°Fcool swimming
Sapporo (Hokkaido) in december48°F52°Ffreezing swimming
Abashiri in december40°F44°Ffreezing swimming
Akita in december57°F61°Ffreezing swimming
Aomori in december55°F59°Ffreezing swimming
Hakodate in december50°F56°Ffreezing swimming
Hakone in december65°F70°Fcool swimming
Izumo in december64°F69°Fcool swimming
Kagoshima (Kyushu) in december70°F73°Fcool swimming
Kanazawa in december60°F65°Fcold swimming
Kobe in december65°F68°Fcool swimming
Nagasaki in december66°F71°Fcool swimming
Nago in december75°F77°Fpleasant swimming
Naha in december75°F78°Fpleasant swimming
Okayama in december63°F68°Fcool swimming

Swim in Japan in december: sea temperature by city

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