Swimming in New Zealand in august 2025 Sea temperature by city in august
Do you want to go to the beach in New Zealand in august 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 august in New Zealand by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in New Zealand in august 2025
Here, find the average sea temperature in New Zealand in august in several coastal cities.
North Island in august
59°F
min: 58°F / max: 60°F
54°F
min: 52°F / max: 57°F
59°F
min: 59°F / max: 61°F
Cape Reinga
60°F
min: 59°F / max: 62°F
Castlepoint
57°F
min: 56°F / max: 59°F
60°F
min: 58°F / max: 61°F
South Island in august
50°F
min: 48°F / max: 51°F
49°F
min: 48°F / max: 50°F
Abel Tasman National Park
55°F
min: 54°F / max: 56°F
49°F
min: 48°F / max: 51°F
The Catlins
52°F
min: 51°F / max: 53°F
Hokitika
55°F
min: 54°F / max: 56°F
Where should you go swimming in New Zealand in the month of august?
Swimming in New Zealand in august is cold (in the best case scenario)
In august in New Zealand swimming conditions vary by city. Details below:
Swimming in august in Tauranga, Cape Reinga, Cathedral Cove, Coromandel, Omamari, Kaitaia, Kerikeri, Ruakaka, Thames, Waihi Beach and Whangamata is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 59°F (min: 59°F/max: 61°F).
Forget about swimming in Auckland, Christchurch, Dunedin, Wellington, Abel Tasman National Park, Akaroa, Castlepoint, The Catlins, Hokitika, Invercargill, Māhia, Moeraki Boulders, Mokau, Napier, Nelson, Otago Peninsula, Porangahau, Ruatoria, Stewart Island, Waiheke Island, Waitārere Beach, Wharariki beach, Whatipu Beach, Balclutha, Blenheim, Gisborne, Greymouth, Hawera, Kaikoura, Levin, New Plymouth, Oamaru, Opunake, Paraparaumu, Picton, Porirua, Raglan, Takaka, Timaru, Wairoa, Waitara, Waiuku, Wanganui, Warkworth, Westport and Whakatane in august! The water temperature is freezing, reaching as low as 58°F (and only 60°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!
Where to go swimming in New Zealand in august: the map of sea temperatures
Water temperature and seasonal norms in august
Auckland
August | |||
Average sea temperature | 59°F | ||
Minimum sea temperature | 58°F | ||
Maximum sea temperature | 60°F | ||
Average outside temperature | 56°F | ||
Maximum outside temperature | 59°F | ||
Minimum outside temperature | 54°F | ||
Precipitation | 5.9in | ||
Number of days of precipitation | 9 jour(s) (29%) | ||
Cloud cover | 47% | ||
Our opinion | freezing swimming |
More information on swimming in Auckland in august
Christchurch
August | |||
Average sea temperature | 50°F | ||
Minimum sea temperature | 48°F | ||
Maximum sea temperature | 51°F | ||
Average outside temperature | 49°F | ||
Maximum outside temperature | 54°F | ||
Minimum outside temperature | 43°F | ||
Precipitation | 2.7in | ||
Number of days of precipitation | 4 jour(s) (12%) | ||
Cloud cover | 41% | ||
Our opinion | freezing swimming |
More information on swimming in Christchurch in august
Dunedin
August | |||
Average sea temperature | 49°F | ||
Minimum sea temperature | 48°F | ||
Maximum sea temperature | 50°F | ||
Average outside temperature | 49°F | ||
Maximum outside temperature | 50°F | ||
Minimum outside temperature | 45°F | ||
Precipitation | 2.1in | ||
Number of days of precipitation | 3 jour(s) (11%) | ||
Cloud cover | 44% | ||
Our opinion | freezing swimming |
More information on swimming in Dunedin in august
Wellington
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 | ||
Precipitation | 3.3in | ||
Number of days of precipitation | 5 jour(s) (16%) | ||
Cloud cover | 40% | ||
Our opinion | freezing swimming |
More information on swimming in Wellington in august
Tauranga
August | |||
Average sea temperature | 59°F | ||
Minimum sea temperature | 59°F | ||
Maximum sea temperature | 61°F | ||
Average outside temperature | 52°F | ||
Maximum outside temperature | 56°F | ||
Minimum outside temperature | 49°F | ||
Precipitation | 6.3in | ||
Number of days of precipitation | 9 jour(s) (29%) | ||
Cloud cover | 45% | ||
Our opinion | cold swimming |
More information on swimming in Tauranga in august
List of coastal cities in New Zealand
Auckland in august | freezing swimming |
Christchurch in august | freezing swimming |
Dunedin in august | freezing swimming |
Wellington in august | freezing swimming |
Tauranga in august | cold swimming |
Abel Tasman National Park in august | freezing swimming |
Akaroa in august | freezing swimming |
Cape Reinga in august | cold swimming |
Castlepoint in august | freezing swimming |
Cathedral Cove in august | cold swimming |
The Catlins in august | freezing swimming |
Coromandel in august | cold swimming |
Hokitika in august | freezing swimming |
Invercargill in august | freezing swimming |
Māhia in august | freezing swimming |
Moeraki Boulders in august | freezing swimming |
Mokau in august | freezing swimming |
Napier in august | freezing swimming |
Nelson in august | freezing swimming |
Omamari in august | cold swimming |
Otago Peninsula in august | freezing swimming |
Porangahau in august | freezing swimming |
Ruatoria in august | freezing swimming |
Stewart Island in august | freezing swimming |
Waiheke Island in august | freezing swimming |
Waitārere Beach in august | freezing swimming |
Wharariki beach in august | freezing swimming |
Whatipu Beach in august | freezing swimming |
Balclutha in august | freezing swimming |
Blenheim in august | freezing swimming |
Gisborne in august | freezing swimming |
Greymouth in august | freezing swimming |
Hawera in august | freezing swimming |
Kaikoura in august | freezing swimming |
Kaitaia in august | cold swimming |
Kerikeri in august | cold swimming |
Levin in august | freezing swimming |
New Plymouth in august | freezing swimming |
Oamaru in august | freezing swimming |
Opunake in august | freezing swimming |
Paraparaumu in august | freezing swimming |
Picton in august | freezing swimming |
Porirua in august | freezing swimming |
Raglan in august | freezing swimming |
Ruakaka in august | cold swimming |
Takaka in august | freezing swimming |
Thames in august | cold swimming |
Timaru in august | freezing swimming |
Waihi Beach in august | cold swimming |
Wairoa in august | freezing swimming |
Waitara in august | freezing swimming |
Waiuku in august | freezing swimming |
Wanganui in august | freezing swimming |
Warkworth in august | freezing swimming |
Westport in august | freezing swimming |
Whakatane in august | freezing swimming |
Whangamata in august | cold swimming |