Holbox Water Temperature
Updated Wed 04:51 (America/Cancun)
Mexico · Forecast updated Sep 23, 2026, 04:51 UTC
Current Sea Temperature
29.3°C
84.7°F
Very warm water
Valid Sep 23, 2026, 04:51 (America/Cancun). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
Close to average
The typical September average is 29.3°C (84.7°F) from the historical baseline.
Recent trend
Holding fairly steady
Seven-day average: 28.7°C, versus 28.5°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 Holbox, typical monthly averages range from about 24.6°C (76.3°F) in January to 29.3°C (84.7°F) in September.
Over the past 30 days, the average sea temperature in Holbox has been 28.4°C.
Historical baseline (full year)
Northern Hemisphere. Summer is generally June–August; winter is December–February.
Typical monthly sea-surface temperature near Holbox, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 24.3–24.8°C | 24.6°C / 76.3°F |
| February | 24.3–25.3°C | 24.8°C / 76.6°F |
| March | 25.5–25.9°C | 25.7°C / 78.3°F |
| April | 25.4–25.8°C | 25.6°C / 78.1°F |
| May | 25.3–27.2°C | 26.1°C / 79.0°F |
| June | 25.8–28.3°C | 26.7°C / 80.1°F |
| July | 26.8–27.4°C | 27.0°C / 80.6°F |
| August | 27.8–28.1°C | 28.0°C / 82.4°F |
| September | 28.9–29.6°C | 29.3°C / 84.7°F |
| October | 28.3–29.1°C | 28.8°C / 83.8°F |
| November | 27.2–27.5°C | 27.3°C / 81.1°F |
| December | 25.3–26.4°C | 25.7°C / 78.3°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (21.54, -87.37). 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.
Holbox in January
Typical January water temperature near Holbox is 24.6°C (76.3°F), with yearly monthly means from 24.3–24.8°C.
Holbox in February
Typical February water temperature near Holbox is 24.8°C (76.6°F), with yearly monthly means from 24.3–25.3°C.
Holbox in March
Typical March water temperature near Holbox is 25.7°C (78.3°F), with yearly monthly means from 25.5–25.9°C.
Holbox in April
Typical April water temperature near Holbox is 25.6°C (78.1°F), with yearly monthly means from 25.4–25.8°C.
Holbox in May
Typical May water temperature near Holbox is 26.1°C (79.0°F), with yearly monthly means from 25.3–27.2°C.
Holbox in June
Typical June water temperature near Holbox is 26.7°C (80.1°F), with yearly monthly means from 25.8–28.3°C.
Holbox in July
Typical July water temperature near Holbox is 27.0°C (80.6°F), with yearly monthly means from 26.8–27.4°C.
Holbox in August
Typical August water temperature near Holbox is 28.0°C (82.4°F), with yearly monthly means from 27.8–28.1°C.
Holbox in September
Typical September water temperature near Holbox is 29.3°C (84.7°F), with yearly monthly means from 28.9–29.6°C.
Holbox in October
Typical October water temperature near Holbox is 28.8°C (83.8°F), with yearly monthly means from 28.3–29.1°C.
Holbox in November
Typical November water temperature near Holbox is 27.3°C (81.1°F), with yearly monthly means from 27.2–27.5°C.
Holbox in December
Typical December water temperature near Holbox is 25.7°C (78.3°F), with yearly monthly means from 25.3–26.4°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 | 27.0°C / 80.6°F | 27.6°C / 81.7°F | 28.3°C / 82.9°F |
| July | 26.9°C / 80.4°F | 27.5°C / 81.4°F | 28.7°C / 83.7°F |
| August | 27.0°C / 80.6°F | 27.5°C / 81.6°F | 28.8°C / 83.8°F |
| September | 27.9°C / 82.2°F | 28.6°C / 83.5°F | 29.5°C / 85.1°F |
Partial coverage: 4 calendar months with records. Profile calculated from 2749 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Holbox
Car-free island with summer whale sharks and shallow, calm flats.
- Area
- Quintana Roo
Holbox Water Temperature: Common Questions
What is the water temperature in Holbox today?
The current sea surface temperature near Holbox is 29.3°C (84.7°F). Over the last 30 days, the average has been 28.4°C.
When is the water warmest in Holbox?
The water is typically warmest in September, at around 29.3°C (84.7°F) in the 2023–2025 historical baseline.
When is the water coldest in Holbox?
The water is typically coldest in January, at around 24.6°C (76.3°F) in the same historical baseline.
Can you swim in Holbox today?
At 29.3°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 Holbox.
View Snorkel Forecast →