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Greek Isles cruise scenery

Best time to cruise · Best time to go

Greek Isles cruises in June

Perhaps the best month for the islands. The sea reaches the low 70s °F (22–23°C), days are at their longest, with sunsets after 8:30 p.m., and the meltemi hasn’t yet hit full strength. Crowds on Santorini and Mykonos grow in the second half of the month as Europe’s school holidays approach.

  • Best time to go
  • Avg high 82°F
  • 15 hrs daylight

Photo: dronepicr, CC BY 2.0, via Wikimedia Commons

Greek Isles in June: Best time to go

Perhaps the best month for the islands. The sea reaches the low 70s °F (22–23°C), days are at their longest, with sunsets after 8:30 p.m., and the meltemi hasn’t yet hit full strength. Crowds on Santorini and Mykonos grow in the second half of the month as Europe’s school holidays approach.

Across Greek Isles cruise ports, June brings average highs around 82°F (28°C) and lows near 72°F, with about 0.8 inches of rain over the month and roughly 15 hours of daylight.

Verdict
Best time to go
Season
April to early November; best late May–June and September
Average high / low
82°F / 72°F
Rainfall (month)
0.8 in
Daylight
About 15 hours
Typical cruise length
3 to 7 nights from Piraeus; 7 to 12 nights on wider Eastern Med routes

What to pack: light, breathable clothes, swimwear, a sun hat, sunglasses and reef-safe sunscreen, plus a light layer for air-conditioned rooms.

How June compares with the rest of the year

Greek Isles weather in June

Average monthly weather in Greek Isles cruise ports
MonthJanFebMarAprMayJunJulAugSepOctNovDec
High °F (°C)581459156216672074238228873188318328762468206216
Low °F (°C)511152115312581464187222762577257323671961165513
Rain in (mm)4.41122.5642.5641.0260.9230.8210.390.4111.4361.9483.4863.897
Daylight (hrs)101112131415151412111010
Average daily highs and lows and monthly rainfall for 2015–2024 from NASA POWER for the area around Greek Isles cruise ports, adjusted to sea level; daylight is calculated for mid-month. Real weather on any given day varies.

June weather port by port

PortAvg highAvg lowRainDaylight
Athens88°F71°F1.1 in15 h
Santorini77°F72°F0.4 in15 h
Mykonos74°F72°F0.6 in15 h
Rhodes81°F73°F0.4 in15 h
Heraklion, Crete80°F73°F0.5 in15 h
Chania (Souda Bay), Crete83°F72°F0.3 in15 h
Corfu81°F72°F1.0 in15 h
Kuşadası (for Ephesus)94°F68°F0.7 in15 h
Patmos77°F72°F0.6 in15 h
Nafplio92°F70°F1.9 in15 h
Katakolon (for Olympia)78°F73°F1.7 in15 h
Argostoli, Kefalonia79°F73°F1.0 in15 h

Average daily highs and lows, 2015–2024, from NASA POWER, adjusted to sea level. Rain is the average monthly total.

Other great cruise destinations in June

Greek Isles in June: FAQs

Is June a good time to cruise Greek Isles?

Yes, it's one of the best months. Perhaps the best month for the islands. The sea reaches the low 70s °F (22–23°C), days are at their longest, with sunsets after 8:30 p.m., and the meltemi hasn’t yet hit full strength. Crowds on Santorini and Mykonos grow in the second half of the month as Europe’s school holidays approach.

What is the weather like on a Greek Isles cruise in June?

Across Greek Isles cruise ports, June brings average highs around 82°F (28°C) and lows near 72°F, with about 0.8 inches of rain over the month and roughly 15 hours of daylight. Conditions vary from port to port and day to day.

What should I pack for a Greek Isles cruise in June?

Pack light, breathable clothes, swimwear, a sun hat, sunglasses and reef-safe sunscreen, plus a light layer for air-conditioned rooms. Check your cruise line's dress code for evenings.

When is the best time to cruise Greek Isles?

April to early November; best late May–June and September. The best months are usually May, June, September.

Where else can I cruise in June?

June is also a top month for Bermuda, Alaska, Mediterranean, Western Mediterranean, Eastern Mediterranean & Adriatic.

Updated November 2026 by the BookMyDreamCruise editorial team. How we research and fact-check.

Sources: NASA POWER climate data.