Can you swim at Rio Del Mar State 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. Rio Del Mar State 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 Rio Del Mar State 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 Rio Del Mar State Beach in January?
Rio Del Mar State Beach averages 18.0°C in January, based on long-run climatology for the Pacific Ocean.
Is the sea warm enough to swim at Rio Del Mar State Beach in January?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Rio Del Mar State Beach in January?
A 2 mm shorty is comfortable for sessions over 30 minutes.
