Matuku-takotako / Sumner Beach Sea Water Temperature
A temperate beach on the Tasman Sea, warmest around February at about 17.1°C. Today's reading, 7-day forecast, and monthly averages below.
Matuku-takotako / Sumner Beach water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Matuku-takotako / Sumner Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Matuku-takotako / Sumner Beach occurs inJanuary, February, March, December — peaking at17.1°C (62.8°F) in February.
Year-Round Water Temperature Curve (°C / °F)
Hover a bar for detailsFull 12-month data table — min / avg / max & swimming comfort
| Month | Min Water Temp | Average Water Temp | Max Water Temp | Swimming Comfort |
|---|---|---|---|---|
| January | 15.2°C | 16.7°C | 19.7°C | Cool / Refreshing (16°C – 20°C) |
| February | 15.1°C | 17.1°C | 19.7°C | Cool / Refreshing (16°C – 20°C) |
| March | 14.6°C | 16.5°C | 18.4°C | Cool / Refreshing (16°C – 20°C) |
| April | 13.5°C | 14.8°C | 16.2°C | Very Cold (< 16°C) |
| May | 11.6°C | 13°C | 15.8°C | Very Cold (< 16°C) |
| June | 9.3°C | 10.9°C | 13.1°C | Very Cold (< 16°C) |
| July | 8.5°C | 9.7°C | 12°C | Very Cold (< 16°C) |
| August | 8.3°C | 9.4°C | 10.8°C | Very Cold (< 16°C) |
| SeptemberCurrent | 9.1°C | 10.4°C | 11.5°C | Very Cold (< 16°C) |
| October | 9.8°C | 11.8°C | 14.1°C | Very Cold (< 16°C) |
| November | 12°C | 13.9°C | 16.3°C | Very Cold (< 16°C) |
| December | 13.8°C | 15.4°C | 16.8°C | Very Cold (< 16°C) |
Swimming FAQs for Matuku-takotako / Sumner Beach
Is the sea warm enough to swim in Matuku-takotako / Sumner Beach today?
Typical sea surface temperature in Matuku-takotako / Sumner Beach this time of year is 10.4°C (50.7°F) — classified as Very Cold (< 16°C). Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges. Live readings load automatically.
What are the warmest months for swimming in Matuku-takotako / Sumner Beach?
The highest water temperatures in Matuku-takotako / Sumner Beach typically occur duringJanuary, February, March, December, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Matuku-takotako / Sumner Beach in September?
Historically in September, water temperatures in Matuku-takotako / Sumner Beach average around10.4°C (50.7°F), fluctuating between a recorded minimum of 9.1°C and a maximum of 11.5°C.