Swim in Waiheke Island in january 2025What is the temperature of the sea in in january?

Average sea temperature in Waiheke Island in january 2025.

In january, according to seasonal norms, the sea temperature in Waiheke Island is:

Minimum: 65°F

Average: 69°F

Maximum: 74°F

Other useful seasonal weather averages in january:

  • Outside temperature: 63°F to 72°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 11.2mph
  • It rains a total of 3.3in, over 4 day(s).

Should we swim in Waiheke Island in january?

Yes... and no. The water temperature in Waiheke Island in january is cool

Swimming in january on the beaches of Waiheke Island is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 74°F, it can also be as low as 65°F! Note that the average is 69°F.

Note also that in january, the climate is good with an average outside temperature of 68°F, 3.3in of precipitation (over 4 days) and 84.63 % humidity.

Water and normal seasonal temperatures in Waiheke Island in january

January
Average sea temperature 69°F
Minimum sea temperature 65°F
Maximum sea temperature 74°F
Average outside temperature 68°F
Maximum outside temperature 74°F
Minimum outside temperature 65°F
Wind speed 12.4mph
Wind temperature 65°F
Precipitation 3.3in
Number of days of rain 4 jour(s)
(11%)
Humidity 85%
Visibility in kilometers 9.62km
Cloud cover 36%
Our opinion cool swimming

Swim elsewhere in New Zealand in january

City Average T° Max. T° Our opinion
Auckland in january69°F73°Fcool swimming
Christchurch in january61°F65°Fcold swimming
Dunedin in january56°F60°Ffreezing swimming
Wellington in january62°F65°Fcold swimming
Tauranga in january68°F72°Fcool swimming
Akaroa in january61°F65°Fcold swimming
Cathedral Cove in january69°F73°Fcool swimming
Invercargill in january58°F62°Ffreezing swimming
Napier in january67°F71°Fcool swimming
Nelson in january64°F67°Fcool swimming
Stewart Island in january58°F62°Ffreezing swimming
Blenheim in january63°F66°Fcold swimming
Greymouth in january64°F69°Fcool swimming
New Plymouth in january66°F71°Fcool swimming
Picton in january63°F66°Fcold swimming
Timaru in january61°F66°Fcold swimming

Swim in New Zealand in january: sea temperature by city

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