Jellyfish Lake Sea Temperature
Updated Mon 05:51 (Pacific/Palau)
Palau · Forecast updated Aug 10, 2026, 05:51 UTC
Current Sea Temperature
28.8°C
83.8°F
Very warm water
Versus this month's average
Close to average
The August average in our archive is 28.6°C (83.4°F).
Recent trend
Holding fairly steady
Seven-day average: 28.4°C, versus 28.6°C in the prior seven days.
What to wear
Very warm water
Swimwear is usually enough; a rash guard adds sun protection.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions.
Sea Surface Temperature Over the Year
In the data collected for Jellyfish Lake, monthly averages range from about 28.6°C (83.4°F) in August to 30.1°C (86.2°F) in June.
Over the past 30 days, the average sea temperature in Jellyfish Lake has been 28.8°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| June | 29.3°C / 84.7°F | 30.1°C / 86.2°F | 31.3°C / 88.3°F |
| July | 27.2°C / 81.0°F | 29.0°C / 84.3°F | 30.6°C / 87.1°F |
| August | 28.2°C / 82.8°F | 28.6°C / 83.4°F | 29.2°C / 84.6°F |
Profile calculated from 1694 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Jellyfish Lake
Marine lake where you snorkel through millions of stingless golden jellyfish.
- Area
- Koror
Jellyfish Lake Water Temperature: Common Questions
What is the sea temperature in Jellyfish Lake today?
The current sea surface temperature in Jellyfish Lake is 28.8°C. Over the last 30 days, the average has been 28.8°C.
When is the water warmest in Jellyfish Lake?
The warmest monthly average in the Jellyfish Lake archive is June, at around 30.1°C (86.2°F).
When is the water coldest in Jellyfish Lake?
The coldest monthly average in the archive is August, at around 28.6°C (83.4°F).
Can you swim in Jellyfish Lake today?
At 28.8°C, the water is usually comfortable for swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Jellyfish Lake.
View Snorkel Forecast →