Greece

Achaia Regional Unit

Achaia Regional Unit - photo 1

Photo by Stefanos Nt on Unsplash.

Achaia Regional Unit spans part of western Greece along the Ionian coast, offering access to coastal and archipelagic diving within the Ionian Sea. The region includes the city of Patras and nearby shorelines, with dive centers positioned to support coastal boat trips and shore entries. Diving in this area is typically characterized by Mediterranean–brackish waters, seasonal visibility, and modest depths suitable for recreational divers. While the region itself is not dominated by world‑famous wrecks, nearby coastal sites and reefs provide opportunities for shore dives and short boat trips from Patras and surrounding towns.

Essential information for traveling in Greece

About Greece

Sea
Aegean Sea, Adriatic Sea, Mediterranean Sea, Io...
Timezone
Europe/Athens
Languages
EL
Demonym
Greek
Phone prefix
+30

Practicalities

Currency
EUR
Voltage
230
Plug type
Type C, Type F
Airports
ATH JTR HER CHQ CFU

Diving specifics

Temperature
°C
Depth units
meters
Pressure
bar
Regulators
DIN Yoke (INT)

Top scuba diving cities in the region of Achaia Regional Unit

Sorted by popularity

Cities to dive in the Achaia Regional Unit region

The cities

The best times to dive in the Achaia Regional Unit region

The best months to dive in Achaia Regional Unit are from June to September. Temperatures are confortable (26-29°C), currents are mild and the visibility is at its best.

Excellent Good Fair Mitigated
01 - Jan.
13 °C 16 °C 4/10
02 - Feb.
10 °C 15 °C 8/10
03 - Mar.
15 °C 16 °C 8/10
04 - Apr.
16 °C 17 °C 8/10
05 - May
21 °C 21 °C 8/10
06 - Jun.
28 °C 25 °C 9/10
07 - Jul.
29 °C 27 °C 9/10
08 - Aug.
28 °C 26 °C 9/10
09 - Sept.
26 °C 27 °C 8/10
10 - Oct.
18 °C 24 °C 6/10
11 - Nov.
17 °C 22 °C 6/10
12 - Dec.
13 °C 19 °C 8/10

Based on last year's weather. Scores compare months for this destination only and are indicative. A mitigated month may still suit many divers.

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