Rangiroa Water Temperature
Updated Tue 14:54 (Pacific/Tahiti)
French Polynesia · Forecast updated Sep 22, 2026, 14:54 UTC · refresh delayed
Current Sea Temperature
26.8°C
80.2°F
Warm water
Valid Sep 22, 2026, 14:54 (Pacific/Tahiti). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
0.4°C below
The typical September average is 27.2°C (81.0°F) from the historical baseline.
Recent trend
Holding fairly steady
Seven-day average: 27.2°C, versus 27.1°C in the prior seven days.
What to wear
Warm water
Most people are comfortable in swimwear or a light rash guard.
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 Rangiroa, typical monthly averages range from about 27.2°C (81.0°F) in August to 29.7°C (85.5°F) in March.
Over the past 30 days, the average sea temperature in Rangiroa has been 27.0°C.
Historical baseline (full year)
Southern Hemisphere. Summer is generally December–February; winter is June–August.
Typical monthly sea-surface temperature near Rangiroa, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 28.4–29.5°C | 28.9°C / 84.0°F |
| February | 28.7–29.6°C | 29.1°C / 84.4°F |
| March | 29.3–30.2°C | 29.7°C / 85.5°F |
| April | 29.2–29.6°C | 29.4°C / 84.9°F |
| May | 28.8–29.3°C | 29.0°C / 84.2°F |
| June | 28.1–28.4°C | 28.3°C / 82.9°F |
| July | 27.6–27.7°C | 27.7°C / 81.9°F |
| August | 27.1–27.3°C | 27.2°C / 81.0°F |
| September | 27.1–27.2°C | 27.2°C / 81.0°F |
| October | 27.5–28.0°C | 27.7°C / 81.9°F |
| November | 27.8–28.4°C | 28.2°C / 82.8°F |
| December | 27.9–28.9°C | 28.5°C / 83.3°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (-15.13, -147.63). 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.
Rangiroa in January
Typical January water temperature near Rangiroa is 28.9°C (84.0°F), with yearly monthly means from 28.4–29.5°C.
Rangiroa in February
Typical February water temperature near Rangiroa is 29.1°C (84.4°F), with yearly monthly means from 28.7–29.6°C.
Rangiroa in March
Typical March water temperature near Rangiroa is 29.7°C (85.5°F), with yearly monthly means from 29.3–30.2°C.
Rangiroa in April
Typical April water temperature near Rangiroa is 29.4°C (84.9°F), with yearly monthly means from 29.2–29.6°C.
Rangiroa in May
Typical May water temperature near Rangiroa is 29.0°C (84.2°F), with yearly monthly means from 28.8–29.3°C.
Rangiroa in June
Typical June water temperature near Rangiroa is 28.3°C (82.9°F), with yearly monthly means from 28.1–28.4°C.
Rangiroa in July
Typical July water temperature near Rangiroa is 27.7°C (81.9°F), with yearly monthly means from 27.6–27.7°C.
Rangiroa in August
Typical August water temperature near Rangiroa is 27.2°C (81.0°F), with yearly monthly means from 27.1–27.3°C.
Rangiroa in September
Typical September water temperature near Rangiroa is 27.2°C (81.0°F), with yearly monthly means from 27.1–27.2°C.
Rangiroa in October
Typical October water temperature near Rangiroa is 27.7°C (81.9°F), with yearly monthly means from 27.5–28.0°C.
Rangiroa in November
Typical November water temperature near Rangiroa is 28.2°C (82.8°F), with yearly monthly means from 27.8–28.4°C.
Rangiroa in December
Typical December water temperature near Rangiroa is 28.5°C (83.3°F), with yearly monthly means from 27.9–28.9°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 | 27.5°C / 81.5°F | 28.0°C / 82.4°F | 28.7°C / 83.7°F |
| July | 27.3°C / 81.1°F | 27.7°C / 81.8°F | 28.2°C / 82.8°F |
| August | 26.9°C / 80.4°F | 27.1°C / 80.8°F | 27.6°C / 81.7°F |
| September | 26.7°C / 80.1°F | 27.0°C / 80.7°F | 28.0°C / 82.4°F |
Partial coverage: 4 calendar months with records. Profile calculated from 2733 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Rangiroa
Vast atoll with drift snorkeling through passes full of sharks and fish.
- Area
- Tuamotus
Rangiroa Water Temperature: Common Questions
What is the water temperature in Rangiroa today?
The current sea surface temperature near Rangiroa is 26.8°C (80.2°F). Over the last 30 days, the average has been 27.0°C.
When is the water warmest in Rangiroa?
The water is typically warmest in March, at around 29.7°C (85.5°F) in the 2023–2025 historical baseline.
When is the water coldest in Rangiroa?
The water is typically coldest in August, at around 27.2°C (81.0°F) in the same historical baseline.
Can you swim in Rangiroa today?
At 26.8°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 Rangiroa.
View Snorkel Forecast →