June is a popular month to ask about La Union San Juan because conditions can shift week to week along this coast. Expect the water near 29.0°C, with daily variation from wind, tides and recent storms. We refresh the live value from Open-Meteo Marine every hour, so the headline above always reflects the current state of the South China Sea.
La Union San Juan sea temperature in June — averages 29.0°C
The sea at La Union San Juan in Philippines averages 29.0°C during June, based on long-run climatology for the South China Sea. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · June
29.0°C
tropical · Excellent
Live water now
…
Recommended wetsuit
No wetsuit
At 29.0°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.
Monthly comparison
Yes — ideal swimming weather · La Union San Juan
Can you swim at La Union San Juan in August? — 28.0°C water28.0°CCan you swim at La Union San Juan in September? — 28.0°C water28.0°CCan you swim at La Union San Juan in October? — 28.0°C water28.0°CCan you swim at La Union San Juan in November? — 27.0°C water27.0°CCan you swim at La Union San Juan in December? — 27.0°C water27.0°CCan you swim at La Union San Juan in January? — 26.0°C water26.0°C
Frequently asked questions
What is the average sea temperature at La Union San Juan in June?
La Union San Juan averages 29.0°C in June, based on long-run climatology for the South China Sea.
Is the sea warm enough to swim at La Union San Juan in June?
Yes, most swimmers find 29.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at La Union San Juan in June?
No wetsuit needed.