Can you swim at Orewa Beach in January? — 20.0°C water

Yes — comfortable for most swimmers
Average sea · January
20.0°C
Live water now
Recommended wetsuit
Shorty 2mm
warm

Yes. With a 20.0°C average in January, most swimmers find Orewa Beach comfortable after the first 10–20 seconds of acclimatisation.

Monthly averages set expectations, but the specific beach today depends on wind, swell and recent weather. Check the live value at the top of this page or open the Orewa Beach live page for full conditions.

Frequently asked questions

What is the average sea temperature at Orewa Beach in January?

Orewa Beach averages 20.0°C in January, based on long-run climatology for the Tasman Sea.

Is the sea warm enough to swim at Orewa Beach in January?

Yes, most swimmers find 20.0°C comfortable for unrestricted swimming.

Do I need a wetsuit at Orewa Beach in January?

Most swimmers don't need a wetsuit; a rash vest helps for longer sessions.