Can you swim at Piha 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 Piha 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 Piha Beach live page for full conditions.
Frequently asked questions
What is the average sea temperature at Piha Beach in January?
Piha Beach averages 20.0°C in January, based on long-run climatology for the Tasman Sea.
Is the sea warm enough to swim at Piha Beach in January?
Yes, most swimmers find 20.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Piha Beach in January?
Most swimmers don't need a wetsuit; a rash vest helps for longer sessions.