Capri Water Temperature
Updated Tue 10:08 (Europe/Rome)
Italy · Forecast updated Sep 22, 2026, 10:08 UTC
Current Sea Temperature
26.8°C
80.2°F
Warm water
Valid Sep 22, 2026, 10:08 (Europe/Rome). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
1.4°C above
The typical September average is 25.4°C (77.7°F) from the historical baseline.
Recent trend
Cooling by 1.2°C
Seven-day average: 26.8°C, versus 28.0°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 Capri, typical monthly averages range from about 15.2°C (59.4°F) in February to 27.4°C (81.3°F) in July.
Over the past 30 days, the average sea temperature in Capri 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 Capri, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 16.1–16.7°C | 16.4°C / 61.5°F |
| February | 14.9–15.4°C | 15.2°C / 59.4°F |
| March | 14.9–15.8°C | 15.4°C / 59.7°F |
| April | 15.7–17.2°C | 16.6°C / 61.9°F |
| May | 18.9–19.9°C | 19.5°C / 67.1°F |
| June | 23.8–25.1°C | 24.3°C / 75.7°F |
| July | 27.0–27.9°C | 27.4°C / 81.3°F |
| August | 25.7–29.7°C | 27.4°C / 81.3°F |
| September | 24.9–25.8°C | 25.4°C / 77.7°F |
| October | 20.9–24.1°C | 22.7°C / 72.9°F |
| November | 19.8–20.7°C | 20.3°C / 68.5°F |
| December | 17.7–18.0°C | 17.9°C / 64.2°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (40.54, 14.21). 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.
Capri in January
Typical January water temperature near Capri is 16.4°C (61.5°F), with yearly monthly means from 16.1–16.7°C.
Capri in February
Typical February water temperature near Capri is 15.2°C (59.4°F), with yearly monthly means from 14.9–15.4°C.
Capri in March
Typical March water temperature near Capri is 15.4°C (59.7°F), with yearly monthly means from 14.9–15.8°C.
Capri in April
Typical April water temperature near Capri is 16.6°C (61.9°F), with yearly monthly means from 15.7–17.2°C.
Capri in May
Typical May water temperature near Capri is 19.5°C (67.1°F), with yearly monthly means from 18.9–19.9°C.
Capri in June
Typical June water temperature near Capri is 24.3°C (75.7°F), with yearly monthly means from 23.8–25.1°C.
Capri in July
Typical July water temperature near Capri is 27.4°C (81.3°F), with yearly monthly means from 27.0–27.9°C.
Capri in August
Typical August water temperature near Capri is 27.4°C (81.3°F), with yearly monthly means from 25.7–29.7°C.
Capri in September
Typical September water temperature near Capri is 25.4°C (77.7°F), with yearly monthly means from 24.9–25.8°C.
Capri in October
Typical October water temperature near Capri is 22.7°C (72.9°F), with yearly monthly means from 20.9–24.1°C.
Capri in November
Typical November water temperature near Capri is 20.3°C (68.5°F), with yearly monthly means from 19.8–20.7°C.
Capri in December
Typical December water temperature near Capri is 17.9°C (64.2°F), with yearly monthly means from 17.7–18.0°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 | 22.2°C / 72.0°F | 25.1°C / 77.2°F | 28.7°C / 83.7°F |
| July | 26.2°C / 79.2°F | 28.1°C / 82.7°F | 30.0°C / 86.0°F |
| August | 28.6°C / 83.5°F | 29.7°C / 85.5°F | 30.7°C / 87.3°F |
| September | 25.4°C / 77.7°F | 27.7°C / 81.8°F | 29.6°C / 85.3°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 Capri
Iconic island with sea caves and clear water around the Faraglioni.
- Area
- Campania
Capri Water Temperature: Common Questions
What is the water temperature in Capri today?
The current sea surface temperature near Capri is 26.8°C (80.2°F). Over the last 30 days, the average has been 28.4°C.
When is the water warmest in Capri?
The water is typically warmest in July, at around 27.4°C (81.3°F) in the 2023–2025 historical baseline.
When is the water coldest in Capri?
The water is typically coldest in February, at around 15.2°C (59.4°F) in the same historical baseline. A wetsuit is usually recommended during this period.
Can you swim in Capri 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 Capri.
View Snorkel Forecast →