Tulum Sea Temperature
Mexico · Forecast updated Jul 15, 2026, 06:21 UTC
Current Sea Temperature
30.2°C
86.4°F
Very warm water
Versus this month's average
Close to average
The July average in our archive is 30.1°C (86.2°F).
Recent trend
Holding fairly steady
Seven-day average: 30.2°C, versus 30.0°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 mean the sea is safe.
Sea Surface Temperature Over the Year
In the data collected for Tulum, monthly averages range from about 29.3°C (84.8°F) in June to 30.1°C (86.2°F) in July.
Over the past 30 days, the average sea temperature in Tulum has been 29.8°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| June | 28.8°C / 83.8°F | 29.3°C / 84.8°F | 30.0°C / 86.0°F |
| July | 29.7°C / 85.5°F | 30.1°C / 86.2°F | 30.4°C / 86.7°F |
Profile calculated from 1071 hourly forecast records across 2 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Tulum
Riviera Maya beaches and nearby cenotes offering reef and freshwater snorkeling.
- Area
- Quintana Roo
Tulum Water Temperature — Common Questions
What is the sea temperature in Tulum today?
The current sea surface temperature in Tulum is 30.2°C. Over the last 30 days, the average has been 29.8°C.
When is the water warmest in Tulum?
The warmest monthly average in the Tulum archive is July, at around 30.1°C (86.2°F).
When is the water coldest in Tulum?
The coldest monthly average in the archive is June, at around 29.3°C (84.8°F).
Can you swim in Tulum today?
Yes — at 30.2°C the water is warm enough for comfortable swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Tulum.
View Snorkel Forecast →