World Resorts Greece Piraeus Weather

Piraeus Sea Temperature in May

Average sea water temperature in May:
+66.5°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:
2025
2024
2023

The average sea water temperature in May of 2025 was 65.7°F. The highest and lowest sea temperatures during the month were 68.9°F and 61.7°F.

Monthly sea water temperature in Piraeus, °F

Which Greece resorts have warmest sea in May?

Place name May 2025 May 2024
Preveza 68.9°F 69.3°F
Kalamata 67.8°F 67.2°F
Matala 67.6°F 67.9°F
Laganas 67.5°F 67.0°F
Kolymbia 67.5°F 69.6°F
Faliraki 67.5°F 69.5°F
Afantou 67.5°F 69.5°F
Benitses 67.4°F 67.9°F
Lefkada 67.4°F 67.6°F
Thessaloniki 67.4°F 69.3°F
Lindos 67.4°F 69.5°F
Rhodes 67.4°F 69.5°F
Lalisos 67.3°F 69.1°F
Ixia 67.3°F 69.1°F
Kyparissia 67.3°F 67.0°F
Moraitika 67.3°F 67.8°F
Messonghi 67.3°F 67.8°F
Alykes 67.3°F 66.8°F
Zakynthos 67.3°F 66.8°F
Kerkira 67.3°F 67.9°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 56.3 °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
+52°F
S 8 mph
Feels like: +48°F
Precip.: 0%
Places in Greece:
Name
°F
+52°F
+54°F
+54°F
+61°F
+54°F
+55°F
+50°F
+59°F
+48°F
+63°F
+54°F
+54°F
+57°F
+54°F
24 Hours Forecast
Piraeus
Local time: 06:55
December 22, monday
0900
54°F
S
7 mph
1200
57°F
S
9 mph
1500
57°F
S
12 mph
1800
54°F
S
9 mph
2100
52°F
S
8 mph
December 23, tuesday
0000
52°F
S
7 mph
0300
52°F
S
7 mph
0600
50°F
S
7 mph
Units of measurement: °C / °F