Can you swim at Waikiki Beach in January? — 18.0°C water

Yes, but expect a fresh dip
Average sea · January
18.0°C
Live water now
Recommended wetsuit
3/2mm fullsuit
mild

It depends. Waikiki Beach sits around 18.0°C in January; confident swimmers will be fine, casual bathers may prefer short sessions.

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 Waikiki Beach live page for full conditions.

Best months to swim
May · June · July · August · September · October · November

Frequently asked questions

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

Waikiki Beach averages 18.0°C in January, based on long-run climatology for the Pacific Ocean.

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

It is swimmable but fresh; confident swimmers will be fine without a wetsuit.

Do I need a wetsuit at Waikiki Beach in January?

A 2 mm shorty is comfortable for sessions over 30 minutes.