Swimming in Stewart Island in january 2025: Average sea temperature in january and tide times in january 2025

Average sea temperature in Stewart Island in january 2025.

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

Minimum: 55°F

Average: 58°F

Maximum: 62°F

Other useful seasonal weather averages in january:

  • Outside temperature: 52°F to 63°F
  • Most common weather: "Moderate rain at times"
  • The wind blows at 6.2mph
  • It rains a total of 7in, over 10 day(s).

Should we swim in Stewart Island in january?

No... The water temperature in Stewart Island in january is freezing

You won't be able to swim in Stewart Island in january! The water temperature is freezing, reaching as low as 55°F (and only 62°F at best)! Our advice: if you are going to Stewart Island this month, plan to sightsee and forget the beach!

Note also that in january, the climate is good with an average outside temperature of 58°F, 6.9in of precipitation (over 10 days) and 87.99 % humidity.

Water and normal seasonal temperatures in Stewart Island in january

January
Average sea temperature 58°F
Minimum sea temperature 55°F
Maximum sea temperature 62°F
Average outside temperature 58°F
Maximum outside temperature 65°F
Minimum outside temperature 52°F
Wind speed 14.9mph
Wind temperature 50°F
Precipitation 7in
Number of days of rain 10 jour(s)
(33%)
Humidity 88%
Visibility in kilometers 8.86km
Cloud cover 52%
Our opinion freezing swimming

Chart of the tides in january 2025

Tide times in january 2025 in Stewart Island

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
Waiheke Island in january69°F74°Fcool 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

Change units