Swimming in Stewart Island in may 2025: Average sea temperature in may and tide times in may 2025
Average sea temperature in Stewart Island in may 2025.
In may, according to seasonal norms, the sea temperature in Stewart Island is:
Minimum: 53°F
Average: 55°F
Maximum: 57°F
Other useful seasonal weather averages in may:
- Outside temperature: 46°F to 54°F
- Most common weather: "Partly Cloudy"
- The wind blows at 3.7mph
- It rains a total of 6in, over 10 day(s).
Should we swim in Stewart Island in may?
No... The water temperature in Stewart Island in may is freezing
You won't be able to swim in Stewart Island in may! The water temperature is freezing, reaching as low as 53°F (and only 57°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 may, the climate is bad with an average outside temperature of 50°F, 6in of precipitation (over 10 days) and 87.16 % humidity.
Water and normal seasonal temperatures in Stewart Island in may
| May | |||
| Average sea temperature | 55°F | ||
| Minimum sea temperature | 53°F | ||
| Maximum sea temperature | 57°F | ||
| Average outside temperature | 50°F | ||
| Maximum outside temperature | 54°F | ||
| Minimum outside temperature | 47°F | ||
| Wind speed | 14.3mph | ||
| Wind temperature | 43°F | ||
| Precipitation | 6in | ||
| Number of days of rain | 10 jour(s) (34%) | ||
| Humidity | 88% | ||
| Visibility in kilometers | 8.91km | ||
| Cloud cover | 53% | ||
| Our opinion | freezing swimming |
Chart of the tides in may 2025
Tide times in may 2025 in Stewart Island
Swim elsewhere in New Zealand in may
| City | Average T° | Min. T° | Max. T° | Our opinion | Auckland in may | 65°F | 67°F | cool swimming | Christchurch in may | 55°F | 56°F | freezing swimming | Dunedin in may | 52°F | 54°F | freezing swimming | Wellington in may | 59°F | 61°F | freezing swimming | Tauranga in may | 65°F | 67°F | cool swimming | Akaroa in may | 55°F | 57°F | freezing swimming | Cathedral Cove in may | 66°F | 67°F | cool swimming | Invercargill in may | 55°F | 57°F | freezing swimming | Napier in may | 62°F | 65°F | cold swimming | Nelson in may | 59°F | 61°F | freezing swimming | Waiheke Island in may | 65°F | 67°F | cool swimming | Blenheim in may | 59°F | 61°F | freezing swimming | Greymouth in may | 60°F | 61°F | cold swimming | New Plymouth in may | 63°F | 65°F | cold swimming | Picton in may | 59°F | 61°F | freezing swimming | Timaru in may | 55°F | 57°F | freezing swimming |