Interactive map
Italy · Mediterranean
Capri
Sea
27.6°C81.7°F
Air
–
UV
–
Beach day
⁦23–28°C⁩

Last updated ·

Today, September 13, the sea temperature at Capri is 27.6 °C (82 °F). That is 2.4 °C warmer than the usual 25.2 °C in September. Comfortable for swimming from May to November.

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Climate · monthly averages

Sea temperature by month

5-year averages (2021–2025). Min/Max are typical daily lows and highs, not record extremes.

Warmest in August (27.2°C). Coldest in March (14.6°C). Comfortable for swimming from May to November.

5-year averages (2021–2025). Min/Max are typical daily lows and highs, not record extremes.
MonthSea · MinSea · AvgSea · MaxAir · MinAir · AvgAir · Max
January15.1°C15.7°C16.2°C12.6°C12.7°C13.1°C
February14.1°C14.6°C15.0°C12.5°C12.8°C13.2°C
March13.9°C14.6°C15.1°C12.8°C13.2°C13.7°C
April14.7°C15.6°C16.7°C14.3°C14.8°C15.3°C
May18.4°C18.9°C19.4°C18.1°C18.6°C19.1°C
June23.1°C23.7°C24.6°C23.0°C23.4°C24.0°C
July26.4°C26.9°C27.5°C25.9°C26.3°C26.8°C
August26.2°C27.2°C28.5°C26.2°C26.4°C26.7°C
September24.7°C25.2°C25.5°C23.6°C23.9°C24.2°C
October21.4°C22.2°C23.2°C20.4°C20.6°C21.0°C
November19.1°C19.8°C20.5°C17.1°C17.3°C17.6°C
December16.7°C17.3°C17.7°C14.3°C14.5°C14.7°C

About Capri

Capri rises from the Tyrrhenian Sea off the Sorrento Peninsula, its southeastern tip framed by the Faraglioni, three limestone stacks over 100 metres tall where Tiberius retired in 27 AD to build Villa Jovis. Marina Piccola on the south side offers a small pebble beach with direct views of the stacks, while Marina Grande by the northern harbour spreads a narrower strand alongside the ferry quay. Sea temperatures reach 25 to 26 °C77 to 79 °F from July through September, with Naples Capodichino airport about 75 minutes away by road and ferry.

Frequently asked questions

Today, September 13, the sea at Capri is 27.6 °C (82 °F)82 °F (27.6 °C) – ideal for swimming for most people. The usual September average is 25.2 °C77 °F.

No single number works for everyone, so the scale on this page is only a guide to how the water feels: below 13 °C55 °F icy, 13–18 °C55–64 °F cold, 18–23 °C64–73 °F refreshing, 23–28 °C73–82 °F pleasantly warm and above 28 °C82 °F like a bath. Right now the sea at Capri is 27.6 °C82 °F.

In May the sea at Capri (Italy) averages 18.9 °C66 °F – refreshing, good for a short swim. It keeps warming until August, when it peaks at 27.2 °C81 °F.

In October the sea at Capri (Italy) still averages 22.2 °C72 °F – refreshing, good for a short swim. It peaks in August at 27.2 °C81 °F and cools slowly from there.