Swimming in New Zealand in july 2025 Sea temperature by city in july
Do you want to go to the beach in New Zealand in july 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 july in New Zealand by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in New Zealand in july 2025
Here, find the average sea temperature in New Zealand in july in several coastal cities.
North Island in july
60°F
min: 58°F / max: 62°F
55°F
min: 54°F / max: 57°F
60°F
min: 59°F / max: 62°F
Cape Reinga
61°F
min: 59°F / max: 63°F
Castlepoint
57°F
min: 55°F / max: 59°F
61°F
min: 59°F / max: 63°F
South Island in july
50°F
min: 48°F / max: 52°F
49°F
min: 48°F / max: 51°F
Abel Tasman National Park
56°F
min: 55°F / max: 57°F
50°F
min: 48°F / max: 52°F
The Catlins
52°F
min: 50°F / max: 54°F
Hokitika
56°F
min: 55°F / max: 57°F
Where should you go swimming in New Zealand in the month of july?
Swimming in New Zealand in july is cold (in the best case scenario)
In july in New Zealand swimming conditions vary by city. Details below:
Swimming in july in Auckland, Tauranga, Cape Reinga, Cathedral Cove, Coromandel, Omamari, Waiheke Island, Whatipu Beach, Kaitaia, Kerikeri, Ruakaka, Thames, Waihi Beach, Warkworth, Whakatane and Whangamata is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 60°F (min: 58°F/max: 62°F).
Forget about swimming in 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, Waitārere Beach, Wharariki beach, Balclutha, Blenheim, Gisborne, Greymouth, Hawera, Kaikoura, Levin, New Plymouth, Oamaru, Opunake, Paraparaumu, Picton, Porirua, Raglan, Takaka, Timaru, Wairoa, Waitara, Waiuku, Wanganui and Westport in july! The water temperature is freezing, reaching as low as 48°F (and only 52°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 july: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in july
Auckland
| July | |||
| Average sea temperature | 60°F | ||
| Minimum sea temperature | 58°F | ||
| Maximum sea temperature | 62°F | ||
| Average outside temperature | 56°F | ||
| Maximum outside temperature | 58°F | ||
| Minimum outside temperature | 54°F | ||
| Precipitation | 5.6in | ||
| Number of days of precipitation | 8 jour(s) (26%) | ||
| Cloud cover | 44% | ||
| Our opinion | cold swimming |
More information on swimming in Auckland in july
Christchurch
| July | |||
| Average sea temperature | 50°F | ||
| Minimum sea temperature | 48°F | ||
| Maximum sea temperature | 52°F | ||
| Average outside temperature | 47°F | ||
| Maximum outside temperature | 52°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 2in | ||
| Number of days of precipitation | 3 jour(s) (9%) | ||
| Cloud cover | 39% | ||
| Our opinion | freezing swimming |
More information on swimming in Christchurch in july
Dunedin
| July | |||
| Average sea temperature | 49°F | ||
| Minimum sea temperature | 48°F | ||
| Maximum sea temperature | 51°F | ||
| Average outside temperature | 47°F | ||
| Maximum outside temperature | 50°F | ||
| Minimum outside temperature | 45°F | ||
| Precipitation | 2.2in | ||
| Number of days of precipitation | 3 jour(s) (9%) | ||
| Cloud cover | 42% | ||
| Our opinion | freezing swimming |
More information on swimming in Dunedin in july
Wellington
| July | |||
| Average sea temperature | 55°F | ||
| Minimum sea temperature | 54°F | ||
| Maximum sea temperature | 57°F | ||
| Average outside temperature | 52°F | ||
| Maximum outside temperature | 54°F | ||
| Minimum outside temperature | 50°F | ||
| Precipitation | 3.6in | ||
| Number of days of precipitation | 5 jour(s) (18%) | ||
| Cloud cover | 41% | ||
| Our opinion | freezing swimming |
More information on swimming in Wellington in july
Tauranga
| July | |||
| Average sea temperature | 60°F | ||
| Minimum sea temperature | 59°F | ||
| Maximum sea temperature | 62°F | ||
| Average outside temperature | 52°F | ||
| Maximum outside temperature | 56°F | ||
| Minimum outside temperature | 49°F | ||
| Precipitation | 6.2in | ||
| Number of days of precipitation | 7 jour(s) (24%) | ||
| Cloud cover | 41% | ||
| Our opinion | cold swimming |
More information on swimming in Tauranga in july
List of coastal cities in New Zealand
| Auckland in july | cold swimming |
| Christchurch in july | freezing swimming |
| Dunedin in july | freezing swimming |
| Wellington in july | freezing swimming |
| Tauranga in july | cold swimming |
| Abel Tasman National Park in july | freezing swimming |
| Akaroa in july | freezing swimming |
| Cape Reinga in july | cold swimming |
| Castlepoint in july | freezing swimming |
| Cathedral Cove in july | cold swimming |
| The Catlins in july | freezing swimming |
| Coromandel in july | cold swimming |
| Hokitika in july | freezing swimming |
| Invercargill in july | freezing swimming |
| Māhia in july | freezing swimming |
| Moeraki Boulders in july | freezing swimming |
| Mokau in july | freezing swimming |
| Napier in july | freezing swimming |
| Nelson in july | freezing swimming |
| Omamari in july | cold swimming |
| Otago Peninsula in july | freezing swimming |
| Porangahau in july | freezing swimming |
| Ruatoria in july | freezing swimming |
| Stewart Island in july | freezing swimming |
| Waiheke Island in july | cold swimming |
| Waitārere Beach in july | freezing swimming |
| Wharariki beach in july | freezing swimming |
| Whatipu Beach in july | cold swimming |
| Balclutha in july | freezing swimming |
| Blenheim in july | freezing swimming |
| Gisborne in july | freezing swimming |
| Greymouth in july | freezing swimming |
| Hawera in july | freezing swimming |
| Kaikoura in july | freezing swimming |
| Kaitaia in july | cold swimming |
| Kerikeri in july | cold swimming |
| Levin in july | freezing swimming |
| New Plymouth in july | freezing swimming |
| Oamaru in july | freezing swimming |
| Opunake in july | freezing swimming |
| Paraparaumu in july | freezing swimming |
| Picton in july | freezing swimming |
| Porirua in july | freezing swimming |
| Raglan in july | freezing swimming |
| Ruakaka in july | cold swimming |
| Takaka in july | freezing swimming |
| Thames in july | cold swimming |
| Timaru in july | freezing swimming |
| Waihi Beach in july | cold swimming |
| Wairoa in july | freezing swimming |
| Waitara in july | freezing swimming |
| Waiuku in july | freezing swimming |
| Wanganui in july | freezing swimming |
| Warkworth in july | cold swimming |
| Westport in july | freezing swimming |
| Whakatane in july | cold swimming |
| Whangamata in july | cold swimming |