Tunisia · Tunis
Carthage
Sea
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Climate · monthly averages
Sea temperature by month
30-year averages (1996–2025). Min/Max are typical daily lows and highs, not record extremes.
50°F
57°F
64°F
72°F
79°F
86°F
January
59.8°F(59°F–61°F)
February
58.2°F(57°F–60°F)
March
58.5°F(57°F–60°F)
April
60.8°F(59°F–62°F)
May
65.2°F(64°F–67°F)
June
71.5°F(70°F–74°F)
July
77.1°F(74°F–80°F)
August
79.4°F(77°F–82°F)
September
77.5°F(75°F–80°F)
October
73.5°F(71°F–75°F)
November
68.5°F(66°F–71°F)
December
63.1°F(62°F–65°F)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MinMin °F | 5958.6 | 5756.7 | 5757.1 | 5959.5 | 6463.7 | 7069.7 | 7474.0 | 7777.3 | 7575.4 | 7170.7 | 6666.3 | 6261.7 |
| AvgAvg °F | 6059.8 | 5858.2 | 5958.5 | 6160.8 | 6565.2 | 7271.5 | 7777.1 | 7979.4 | 7777.5 | 7373.5 | 6968.5 | 6363.1 |
| MaxMax °F | 6161.2 | 6059.9 | 6060.0 | 6262.3 | 6766.8 | 7474.2 | 8080.4 | 8281.9 | 8079.6 | 7575.3 | 7170.5 | 6565.1 |
Warmest in August (79.4°F). Coldest in February (58.2°F). Comfortable for swimming from May to November.
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 °C between June and September, peaking in August, with Tunis-Carthage airport ten minutes inland.