Where is the sea coldest in Oceania in January?

Tahunanui Beach in New Zealand has the coldest sea in Oceania in January, averaging about 15.0 °C. Kaiteriteri Beach (15.0 °C) and Marahau Beach are the next coolest.

How many beaches in Oceania are warm enough to swim in January?

None of the top 25 ranked beaches in Oceania reach 22 °C in January, so a wetsuit is recommended for anything longer than a quick dip.

How are these January sea temperatures calculated?

Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical January rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

Seasonal ranking

Coldest sea temperature in Oceania in January

Where the sea is coolest across Oceania during January, ranked by long-term monthly average water temperature. Tahunanui Beach (South Island, New Zealand) is the coolest at around 15°C. Open any spot for today's live water temperature and a 7-day swim forecast.

1
Tahunanui Beach
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
2
Kaiteriteri Beach
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
3
Marahau Beach
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
4
Totaranui Beach
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
5
Wharariki Beach
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
6
Sumner Beach
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
7
Caroline Bay
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
8
Birdlings Flat
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
9
Akaroa Beach
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
10
Kaka Point
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
11
Curio Bay
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
12
Brighton Beach Dunedin
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
13
Oreti Beach
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
14
Riverton Beach
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
15
Kaikoura South Bay
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
16
Westport North Beach
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
17
Hokitika Beach
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
18
Greymouth Beach
South Island · New Zealand · Tasman Sea
Cool — shorty wetsuit recommended
15°C
January average
19
Kohimarama Beach
Auckland · New Zealand · Pacific Ocean
Mild — fine for a swim, cool at first
18°C
January average
20
Red Beach
Auckland · New Zealand · Pacific Ocean
Mild — fine for a swim, cool at first
18°C
January average
21
Waiheke Onetangi
Auckland · New Zealand · Pacific Ocean
Mild — fine for a swim, cool at first
18°C
January average
22
Cooks Beach
Coromandel · New Zealand · Pacific Ocean
Mild — fine for a swim, cool at first
18°C
January average
23
Onemana Beach
Coromandel · New Zealand · Pacific Ocean
Mild — fine for a swim, cool at first
18°C
January average
24
Opoutere Beach
Coromandel · New Zealand · Pacific Ocean
Mild — fine for a swim, cool at first
18°C
January average
25
Pauanui Beach
Coromandel · New Zealand · Pacific Ocean
Mild — fine for a swim, cool at first
18°C
January average

Coldest sea in January elsewhere

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Oceania in January — frequently asked questions

Where is the sea coldest in Oceania in January?: Tahunanui Beach in New Zealand has the coldest sea in Oceania in January, averaging about 15.0 °C. Kaiteriteri Beach (15.0 °C) and Marahau Beach are the next coolest.
How many beaches in Oceania are warm enough to swim in January?: None of the top 25 ranked beaches in Oceania reach 22 °C in January, so a wetsuit is recommended for anything longer than a quick dip.
How are these January sea temperatures calculated?: Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical January rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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