World Resorts Greece Piraeus Weather

Piraeus Sea Temperature in May

Average sea water temperature in May:
+66.4°F
Minimum sea water temperature in May: 72.3°F
Maximum sea water temperature in May: 60.8°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 63.6°F. The highest and lowest sea temperatures during the month were 66.0°F and 61.2°F.

Monthly sea water temperature in Piraeus, °F

Which Greece resorts have warmest sea in May?

Place name May 2026 May 2025
Preveza 66.6°F 68.9°F
Kolymbia 66.4°F 67.5°F
Rhodes 66.4°F 67.4°F
Faliraki 66.4°F 67.5°F
Lindos 66.4°F 67.4°F
Lalisos 66.3°F 67.3°F
Ixia 66.3°F 67.3°F
Kiotari 66.1°F 67.2°F
Matala 65.8°F 67.6°F
Kerkira 65.8°F 67.3°F
Dassia 65.6°F 66.9°F
Benitses 65.6°F 67.4°F
Messonghi 65.5°F 67.3°F
Agia Pelagia 65.5°F 66.6°F
Kavos 65.5°F 67.5°F
Ierapetra 65.5°F 67.0°F
Kardamena 65.4°F 66.6°F
Plakias 65.4°F 66.8°F
Kos 65.4°F 66.7°F
Elounda 65.4°F 66.7°F

Best time for vacation in Piraeus

Sunniest months:
July 30 days
August 30 days
June 27 days
Warmest months:
July 91.1 °F
August 90.0 °F
June 85.3 °F
Warmest sea temp:
August 80.3 °F
July 79.0 °F
September 78.3 °F
Coldest months:
January 54.3 °F
February 56.4 °F
December 57.6 °F
Rainiest months:
February 3 days
January 3 days
December 3 days
Windiest months:
August 10.6 mph
July 9.3 mph
February 9.2 mph

Piraeus on a weather map

Piraeus
+70°F
N 4 mph
Feels like: +70°F
Precip.: 0%
Places in Greece:
Name
°F
+72°F
+68°F
+79°F
+61°F
+75°F
+66°F
+66°F
+70°F
+75°F
+70°F
+66°F
+63°F
+66°F
+75°F
24 Hours Forecast
Piraeus
Local time: 15:46
May 16, saturday
1800
68°F
E
9 mph
2100
64°F
SE
4 mph
May 17, sunday
0000
64°F
SE
6 mph
0300
64°F
E
6 mph
0600
63°F
E
7 mph
0900
66°F
E
14 mph
1200
72°F
SE
14 mph
1500
75°F
E
14 mph
Units of measurement: °C / °F