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

Average sea temperature in Sydney in august 2025.

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

Minimum: 64°F

Average: 66°F

Maximum: 69°F

Other useful seasonal weather averages in august:

  • Outside temperature: 53°F to 65°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 6.2mph
  • It rains a total of 3in, over 4 day(s).

Should we swim in Sydney in august?

Yes... and no. The water temperature in Sydney in august is cool

Swimming in august on the beaches of Sydney is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 69°F, it can also be as low as 64°F! Note that the average is 66°F.

Note also that in august, the climate is good with an average outside temperature of 59°F, 2.9in of precipitation (over 4 days) and 75.12 % humidity.

Water and normal seasonal temperatures in Sydney in august

August
Average sea temperature 66°F
Minimum sea temperature 64°F
Maximum sea temperature 69°F
Average outside temperature 59°F
Maximum outside temperature 67°F
Minimum outside temperature 54°F
Wind speed 13.1mph
Wind temperature 50°F
Precipitation 3in
Number of days of rain 4 jour(s)
(12%)
Humidity 76%
Visibility in kilometers 9.78km
Cloud cover 24%
Our opinion cool swimming

Chart of the tides in august 2025

Tide times in august 2025 in Sydney

Swim elsewhere in Australia in august

City Average T° Max. T° Our opinion
Adelaide in august57°F59°Ffreezing swimming
Brisbane (Queensland) in august71°F73°Fpleasant swimming
Cairns in august76°F77°Fpleasant swimming
Darwin in august80°F82°Fideal swimming
Melbourne in august59°F60°Ffreezing swimming
Perth in august68°F69°Fcool swimming
Fraser Island in august71°F73°Fpleasant swimming
Gold Coast in august71°F73°Fpleasant swimming
Kangaroo Island in august59°F60°Ffreezing swimming
Port Hedland in august75°F77°Fpleasant swimming
Port Macquarie in august69°F71°Fcool swimming
Streaky Bay in august61°F62°Fcold swimming
Warrnambool in august58°F61°Ffreezing swimming
Eden in august61°F65°Fcold swimming
Fremantle in august67°F69°Fcool swimming
Whitsunday Islands in august73°F75°Fpleasant swimming
Batemans Bay in august63°F67°Fcool swimming
Bondi beach in august66°F69°Fcool swimming
Broome in august77°F78°Fpleasant swimming
Bundaberg in august71°F73°Fpleasant swimming

Swim in Australia in august: sea temperature by city

Change units