Can you swim at La Union San Juan in December? — 27.0°C water
Yes — ideal swimming weather
Average sea · December
27.0°C
Live water now
…
Recommended wetsuit
No wetsuit
tropical
Yes. La Union San Juan averages 27.0°C in December — bath-warm by European standards and comfortable for all-day swimming, snorkelling and families.
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 La Union San Juan live page for full conditions.
Best months to swim
January · February · March · April · May · June · July · August · September · October · November · December
Frequently asked questions
What is the average sea temperature at La Union San Juan in December?
La Union San Juan averages 27.0°C in December, based on long-run climatology for the South China Sea.
Is the sea warm enough to swim at La Union San Juan in December?
Yes, most swimmers find 27.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at La Union San Juan in December?
