Carthage sea temperature today: 30°C – beach water temperature, Carthage, Tunisia
Tunisia · Tunis
Carthage
Sea
29.5°C85.1°F
Air
UV
Bathtub
Above ⁦28°C⁩

Last updated ·

Today, September 13, the sea temperature at Carthage is 29.5 °C (85 °F). That is 3.3 °C warmer than the usual 26.2 °C in September. Comfortable for swimming from May to November.

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 (27.3°C). Coldest in February (15.0°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°C15.8°C16.2°C10.2°C12.4°C15.6°C
February14.4°C15.0°C15.4°C10.5°C12.9°C16.3°C
March14.6°C15.3°C15.8°C11.9°C14.6°C17.7°C
April15.7°C16.5°C17.0°C13.3°C16.4°C19.8°C
May18.7°C19.1°C19.5°C17.0°C20.2°C23.6°C
June22.4°C22.9°C23.8°C21.5°C25.4°C29.2°C
July25.9°C26.5°C27.0°C24.4°C28.5°C32.7°C
August26.9°C27.3°C27.8°C24.4°C28.1°C32.0°C
September25.7°C26.2°C26.8°C23.1°C26.1°C29.3°C
October23.1°C23.7°C24.3°C19.3°C22.2°C25.5°C
November20.4°C21.1°C21.6°C14.9°C17.4°C20.7°C
December16.9°C17.8°C18.3°C12.0°C14.1°C17.0°C

About Carthage

On the northern shore of the Gulf of Tunis, Carthage spreads across a low coastal ridge first settled by Phoenician colonists in 814 BC and inscribed on the UNESCO World Heritage list in 1979. Byrsa Hill carries the Punic foundations and Roman cisterns, while the seafront below slides into shallow, sandy water that continues north toward La Marsa and Sidi Bou Said. The Mediterranean climbs from 22 to 26 °C72 to 79 °F between June and September, peaking in August, with Tunis-Carthage airport ten minutes inland.

Frequently asked questions

Today, September 13, the sea at Carthage is 29.5 °C (85 °F)85 °F (29.5 °C) – bathtub-warm. The usual September average is 26.2 °C79 °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 Carthage is 29.5 °C85 °F.

In May the sea at Carthage (Tunis, Tunisia) averages 19.1 °C66 °F – refreshing, good for a short swim. It keeps warming until August, when it peaks at 27.3 °C81 °F.

In October the sea at Carthage (Tunis, Tunisia) still averages 23.7 °C75 °F – ideal for swimming for most people. It peaks in August at 27.3 °C81 °F and cools slowly from there.