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

Average sea temperature in Wellington in august 2025.

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

Minimum: 52°F

Average: 54°F

Maximum: 57°F

Other useful seasonal weather averages in august:

  • Outside temperature: 50°F to 54°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 5mph
  • It rains a total of 3.3in, over 5 day(s).

Should we swim in Wellington in august?

No... The water temperature in Wellington in august is freezing

You won't be able to swim in Wellington in august! The water temperature is freezing, reaching as low as 52°F (and only 57°F at best)! Our advice: if you are going to Wellington this month, plan to sightsee and forget the beach!

Note also that in august, the climate is tolerable with an average outside temperature of 52°F, 3.3in of precipitation (over 5 days) and 82.39 % humidity.

Water and normal seasonal temperatures in Wellington in august

August
Average sea temperature 54°F
Minimum sea temperature 52°F
Maximum sea temperature 57°F
Average outside temperature 52°F
Maximum outside temperature 56°F
Minimum outside temperature 50°F
Wind speed 18.6mph
Wind temperature 47°F
Precipitation 3.3in
Number of days of rain 5 jour(s)
(16%)
Humidity 83%
Visibility in kilometers 9.44km
Cloud cover 40%
Our opinion freezing swimming

Chart of the tides in august 2025

Tide times in august 2025 in Wellington

Swim elsewhere in New Zealand in august

City Average T° Max. T° Our opinion
Auckland in august59°F60°Ffreezing swimming
Christchurch in august50°F51°Ffreezing swimming
Dunedin in august49°F50°Ffreezing swimming
Tauranga in august59°F61°Fcold swimming
Akaroa in august49°F51°Ffreezing swimming
Cathedral Cove in august60°F61°Fcold swimming
Invercargill in august52°F53°Ffreezing swimming
Napier in august57°F59°Ffreezing swimming
Nelson in august55°F56°Ffreezing swimming
Stewart Island in august52°F53°Ffreezing swimming
Waiheke Island in august59°F60°Ffreezing swimming
Blenheim in august55°F56°Ffreezing swimming
Greymouth in august55°F56°Ffreezing swimming
New Plymouth in august56°F58°Ffreezing swimming
Picton in august55°F56°Ffreezing swimming
Timaru in august50°F52°Ffreezing swimming

Swim in New Zealand in august: sea temperature by city

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