Rovinj sea temperature today: 27°C – beach water temperature, Rovinj, Croatia
Croatia · Mediterranean
Rovinj
Sea
26.7°C80.1°F
Air
UV
Beach day
⁦23–28°C⁩

Last updated ·

Today, September 13, the sea temperature at Rovinj is 26.7 °C (80 °F). That is 3.3 °C warmer than the usual 23.4 °C in September. Comfortable for swimming from June to October.

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 (25.7°C). Coldest in February (10.8°C). Comfortable for swimming from June to October.

5-year averages (2021–2025). Min/Max are typical daily lows and highs, not record extremes.
MonthSea · MinSea · AvgSea · MaxAir · MinAir · AvgAir · Max
January11.3°C11.9°C12.6°C7.5°C8.1°C9.0°C
February10.4°C10.8°C11.6°C7.8°C8.8°C10.2°C
March10.3°C11.2°C12.4°C8.9°C10.4°C12.0°C
April12.1°C13.1°C14.6°C11.3°C12.8°C14.3°C
May16.1°C17.2°C18.1°C15.8°C17.4°C19.1°C
June22.0°C22.7°C23.2°C21.0°C23.2°C25.1°C
July25.3°C25.7°C26.3°C23.6°C25.6°C27.4°C
August24.9°C25.7°C27.0°C23.5°C25.3°C27.1°C
September22.7°C23.4°C23.8°C20.0°C21.4°C22.9°C
October18.8°C19.8°C21.2°C16.4°C17.4°C18.7°C
November16.0°C17.2°C18.0°C12.0°C12.7°C13.7°C
December13.2°C13.9°C14.5°C9.1°C9.7°C10.5°C

About Rovinj

On the west coast of the Istrian peninsula, Rovinj climbs in pastel tiers to the Church of St. Euphemia, a 1736 Baroque basilica whose 60-metre bell tower copies St. Mark's Campanile in Venice and carries a bronze statue of the saint as a weather vane. Mulini Beach in Lone Bay offers pebble platforms shaded by Aleppo pine, while Crveni Otok adds the rare sandy stretch a quarter-hour offshore. The Adriatic holds 23 to 25 °C73 to 77 °F from July to September, Pula airport forty minutes down the D75.

Frequently asked questions

Today, September 13, the sea at Rovinj is 26.7 °C (80 °F)80 °F (26.7 °C) – ideal for swimming for most people. The usual September average is 23.4 °C74 °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 Rovinj is 26.7 °C80 °F.

In May the sea at Rovinj (Croatia) averages 17.2 °C63 °F – cold, most people reach for a wetsuit. It keeps warming until August, when it peaks at 25.7 °C78 °F.

In October the sea at Rovinj (Croatia) still averages 19.8 °C68 °F – refreshing, good for a short swim. It peaks in August at 25.7 °C78 °F and cools slowly from there.