Banco Chinchorro Water Temperature
Updated Wed 09:46 (America/Cancun)
Mexico · Forecast updated Sep 23, 2026, 09:46 UTC
Current Sea Temperature
29.9°C
85.8°F
Very warm water
Valid Sep 23, 2026, 09:46 (America/Cancun). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
0.5°C below
The typical September average is 30.4°C (86.7°F) from the historical baseline.
Recent trend
Holding fairly steady
Seven-day average: 30.0°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 describe sea conditions or replace the snorkel forecast.
Typical Sea Temperature Over the Year
In the historical baseline for Banco Chinchorro, typical monthly averages range from about 27.0°C (80.6°F) in February to 30.4°C (86.7°F) in September.
Over the past 30 days, the average sea temperature in Banco Chinchorro has been 30.0°C.
Historical baseline (full year)
Northern Hemisphere. Summer is generally June–August; winter is December–February.
Typical monthly sea-surface temperature near Banco Chinchorro, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 27.1–27.6°C | 27.3°C / 81.1°F |
| February | 27.0–27.1°C | 27.0°C / 80.6°F |
| March | 27.1–27.8°C | 27.5°C / 81.5°F |
| April | 27.7–28.3°C | 28.0°C / 82.4°F |
| May | 28.6–29.2°C | 28.9°C / 84.0°F |
| June | 29.1–29.9°C | 29.6°C / 85.3°F |
| July | 29.4–30.0°C | 29.6°C / 85.3°F |
| August | 29.5–30.3°C | 30.0°C / 86.0°F |
| September | 30.1–30.6°C | 30.4°C / 86.7°F |
| October | 29.7–30.5°C | 30.1°C / 86.2°F |
| November | 28.8–29.2°C | 29.0°C / 84.2°F |
| December | 27.7–28.2°C | 28.0°C / 82.4°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (18.63, -87.29). Each month is the mean of yearly monthly means; the range is the lowest and highest of those yearly monthly means. Open-Meteo methodology.
Water temperature by month
Each month uses the 2023–2025 baseline. The range is the lowest and highest yearly monthly mean, not an hourly extreme.
Banco Chinchorro in January
Typical January water temperature near Banco Chinchorro is 27.3°C (81.1°F), with yearly monthly means from 27.1–27.6°C.
Banco Chinchorro in February
Typical February water temperature near Banco Chinchorro is 27.0°C (80.6°F), with yearly monthly means from 27.0–27.1°C.
Banco Chinchorro in March
Typical March water temperature near Banco Chinchorro is 27.5°C (81.5°F), with yearly monthly means from 27.1–27.8°C.
Banco Chinchorro in April
Typical April water temperature near Banco Chinchorro is 28.0°C (82.4°F), with yearly monthly means from 27.7–28.3°C.
Banco Chinchorro in May
Typical May water temperature near Banco Chinchorro is 28.9°C (84.0°F), with yearly monthly means from 28.6–29.2°C.
Banco Chinchorro in June
Typical June water temperature near Banco Chinchorro is 29.6°C (85.3°F), with yearly monthly means from 29.1–29.9°C.
Banco Chinchorro in July
Typical July water temperature near Banco Chinchorro is 29.6°C (85.3°F), with yearly monthly means from 29.4–30.0°C.
Banco Chinchorro in August
Typical August water temperature near Banco Chinchorro is 30.0°C (86.0°F), with yearly monthly means from 29.5–30.3°C.
Banco Chinchorro in September
Typical September water temperature near Banco Chinchorro is 30.4°C (86.7°F), with yearly monthly means from 30.1–30.6°C.
Banco Chinchorro in October
Typical October water temperature near Banco Chinchorro is 30.1°C (86.2°F), with yearly monthly means from 29.7–30.5°C.
Banco Chinchorro in November
Typical November water temperature near Banco Chinchorro is 29.0°C (84.2°F), with yearly monthly means from 28.8–29.2°C.
Banco Chinchorro in December
Typical December water temperature near Banco Chinchorro is 28.0°C (82.4°F), with yearly monthly means from 27.7–28.2°C.
Forecast archive (growing)
These values come from hourly forecasts SnorkelForecast has stored. They cover only months with records and do not replace the historical baseline.
| Month | Min | Average | Max |
|---|---|---|---|
| June | 28.6°C / 83.5°F | 28.9°C / 84.0°F | 29.1°C / 84.4°F |
| July | 28.9°C / 84.0°F | 29.3°C / 84.7°F | 29.9°C / 85.8°F |
| August | 29.3°C / 84.7°F | 29.8°C / 85.6°F | 30.5°C / 86.9°F |
| September | 29.8°C / 85.6°F | 30.1°C / 86.1°F | 30.7°C / 87.3°F |
Partial coverage: 4 calendar months with records. Profile calculated from 2754 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Banco Chinchorro
Remote Caribbean atoll reserve with pristine coral and clear water.
- Area
- Quintana Roo
Banco Chinchorro Water Temperature: Common Questions
What is the water temperature in Banco Chinchorro today?
The current sea surface temperature near Banco Chinchorro is 29.9°C (85.8°F). Over the last 30 days, the average has been 30.0°C.
When is the water warmest in Banco Chinchorro?
The water is typically warmest in September, at around 30.4°C (86.7°F) in the 2023–2025 historical baseline.
When is the water coldest in Banco Chinchorro?
The water is typically coldest in February, at around 27.0°C (80.6°F) in the same historical baseline.
Can you swim in Banco Chinchorro today?
At 29.9°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 Banco Chinchorro.
View Snorkel Forecast →