Swimming in Hiroshima in august 2025: Average sea temperature in august and tide times in august 2025

Average sea temperature in Hiroshima in august 2025.

In august, according to seasonal norms, the sea temperature in Hiroshima is:

Minimum: 78°F

Average: 81°F

Maximum: 83°F

Other useful seasonal weather averages in august:

  • Outside temperature: 74°F to 88°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 14.9mph
  • It rains a total of 9.5in, over 9 day(s).

Should we swim in Hiroshima in august?

Yes! The water temperature in Hiroshima in august is ideal

In august, swimming is ideal on the beaches around Hiroshima! With water reaching 83°F at most and 81°F on average, spending time in the water is very pleasant.

Note also that in august, the climate is good with an average outside temperature of 81°F, 9.5in of precipitation (over 9 days) and 92 % humidity.

Water and normal seasonal temperatures in Hiroshima in august

August
Average sea temperature 81°F
Minimum sea temperature 78°F
Maximum sea temperature 83°F
Average outside temperature 83°F
Maximum outside temperature 88°F
Minimum outside temperature 76°F
Wind speed 6.2mph
Wind temperature 76°F
Precipitation 9.5in
Number of days of rain 9 jour(s)
(31%)
Humidity 92%
Visibility in kilometers 8.44km
Cloud cover 37%
Our opinion ideal swimming

Chart of the tides in august 2025

Tide times in august 2025 in Hiroshima

Swim elsewhere in Japan in august

City Average T° Max. T° Our opinion
Tokyo in august78°F81°Fpleasant swimming
Fukuoka in august82°F85°Fideal swimming
Kochi in august82°F85°Fideal swimming
Nagoya in august81°F83°Fideal swimming
Okinawa in august84°F88°Fideal swimming
Osaka in august82°F84°Fideal swimming
Sapporo (Hokkaido) in august71°F74°Fpleasant swimming
Abashiri in august63°F68°Fcool swimming
Akita in august79°F81°Fpleasant swimming
Aomori in august75°F78°Fpleasant swimming
Hakodate in august72°F75°Fpleasant swimming
Hakone in august80°F83°Fideal swimming
Izumo in august81°F83°Fideal swimming
Kagoshima (Kyushu) in august83°F85°Fideal swimming
Kanazawa in august81°F83°Fideal swimming
Kobe in august82°F83°Fideal swimming
Nagasaki in august82°F85°Fideal swimming
Nago in august84°F88°Fideal swimming
Naha in august84°F88°Fideal swimming
Okayama in august81°F83°Fideal swimming

Swim in Japan in august: sea temperature by city

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