Cabo Pulmo Water Temperature
Updated Tue 10:06 (America/Cancun)
Mexico · Forecast updated Sep 22, 2026, 10:06 UTC
Current Sea Temperature
31.8°C
89.2°F
Very warm water
Valid Sep 22, 2026, 10:06 (America/Cancun). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
1.2°C above
The typical September average is 30.6°C (87.1°F) from the historical baseline.
Recent trend
Holding fairly steady
Seven-day average: 32.0°C, versus 32.1°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 Cabo Pulmo, typical monthly averages range from about 21.6°C (70.9°F) in January to 30.6°C (87.1°F) in September.
Over the past 30 days, the average sea temperature in Cabo Pulmo has been 32.0°C.
Historical baseline (full year)
Northern Hemisphere. Summer is generally June–August; winter is December–February.
Typical monthly sea-surface temperature near Cabo Pulmo, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 20.9–22.6°C | 21.6°C / 70.9°F |
| February | 20.6–22.6°C | 21.6°C / 70.9°F |
| March | 20.9–22.2°C | 21.7°C / 71.1°F |
| April | 22.8–23.2°C | 23.0°C / 73.4°F |
| May | 25.3–25.6°C | 25.5°C / 77.9°F |
| June | 26.2–27.9°C | 27.3°C / 81.1°F |
| July | 28.7–30.3°C | 29.3°C / 84.7°F |
| August | 29.9–31.0°C | 30.4°C / 86.7°F |
| September | 30.3–31.0°C | 30.6°C / 87.1°F |
| October | 29.6–30.2°C | 29.9°C / 85.8°F |
| November | 26.4–28.0°C | 27.4°C / 81.3°F |
| December | 23.4–26.1°C | 25.0°C / 77.0°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (23.54, -109.37). 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.
Cabo Pulmo in January
Typical January water temperature near Cabo Pulmo is 21.6°C (70.9°F), with yearly monthly means from 20.9–22.6°C.
Cabo Pulmo in February
Typical February water temperature near Cabo Pulmo is 21.6°C (70.9°F), with yearly monthly means from 20.6–22.6°C.
Cabo Pulmo in March
Typical March water temperature near Cabo Pulmo is 21.7°C (71.1°F), with yearly monthly means from 20.9–22.2°C.
Cabo Pulmo in April
Typical April water temperature near Cabo Pulmo is 23.0°C (73.4°F), with yearly monthly means from 22.8–23.2°C.
Cabo Pulmo in May
Typical May water temperature near Cabo Pulmo is 25.5°C (77.9°F), with yearly monthly means from 25.3–25.6°C.
Cabo Pulmo in June
Typical June water temperature near Cabo Pulmo is 27.3°C (81.1°F), with yearly monthly means from 26.2–27.9°C.
Cabo Pulmo in July
Typical July water temperature near Cabo Pulmo is 29.3°C (84.7°F), with yearly monthly means from 28.7–30.3°C.
Cabo Pulmo in August
Typical August water temperature near Cabo Pulmo is 30.4°C (86.7°F), with yearly monthly means from 29.9–31.0°C.
Cabo Pulmo in September
Typical September water temperature near Cabo Pulmo is 30.6°C (87.1°F), with yearly monthly means from 30.3–31.0°C.
Cabo Pulmo in October
Typical October water temperature near Cabo Pulmo is 29.9°C (85.8°F), with yearly monthly means from 29.6–30.2°C.
Cabo Pulmo in November
Typical November water temperature near Cabo Pulmo is 27.4°C (81.3°F), with yearly monthly means from 26.4–28.0°C.
Cabo Pulmo in December
Typical December water temperature near Cabo Pulmo is 25.0°C (77.0°F), with yearly monthly means from 23.4–26.1°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 | 27.3°C / 81.1°F | 28.7°C / 83.6°F | 30.0°C / 86.0°F |
| July | 27.9°C / 82.2°F | 29.9°C / 85.9°F | 32.2°C / 90.0°F |
| August | 31.0°C / 87.8°F | 31.9°C / 89.4°F | 32.9°C / 91.2°F |
| September | 31.4°C / 88.5°F | 32.0°C / 89.6°F | 32.9°C / 91.2°F |
Partial coverage: 4 calendar months with records. Profile calculated from 2731 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Cabo Pulmo
Sea of Cortez marine park with the Gulf's only living coral reef and huge fish schools.
- Area
- Baja California Sur
Cabo Pulmo Water Temperature: Common Questions
What is the water temperature in Cabo Pulmo today?
The current sea surface temperature near Cabo Pulmo is 31.8°C (89.2°F). Over the last 30 days, the average has been 32.0°C.
When is the water warmest in Cabo Pulmo?
The water is typically warmest in September, at around 30.6°C (87.1°F) in the 2023–2025 historical baseline.
When is the water coldest in Cabo Pulmo?
The water is typically coldest in January, at around 21.6°C (70.9°F) in the same historical baseline.
Can you swim in Cabo Pulmo today?
At 31.8°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 Cabo Pulmo.
View Snorkel Forecast →