Can you swim at Half Moon Bay in January? — 15.0°C water
Cool — short dips or a shorty wetsuit
Average sea · January
15.0°C
Live water now
…
Recommended wetsuit
4/3mm fullsuit
mild
Cool. 15.0°C in January means short dips for most people. A 2 mm shorty or 3/2 mm wetsuit transforms the experience.
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 Half Moon Bay live page for full conditions.
Best months to swim
June · July · August · September
Frequently asked questions
What is the average sea temperature at Half Moon Bay in January?
Half Moon Bay averages 15.0°C in January, based on long-run climatology for the Persian Gulf.
Is the sea warm enough to swim at Half Moon Bay in January?
Not without thermal protection — a wetsuit is recommended at 15.0°C.
