World Resorts Greece Piraeus Weather

Piraeus Sea Temperature in December

Average sea water temperature in December:
+64.2°F
Minimum sea water temperature in December: 69.1°F
Maximum sea water temperature in December: 59.4°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 65.6°F. The highest and lowest sea temperatures during the month were 68.2°F and 63.7°F.

Monthly sea water temperature in Piraeus, °F

Which Greece resorts have warmest sea in December?

Place name December 2025 December 2024
Faliraki 69.9°F 67.8°F
Kolymbia 69.9°F 67.6°F
Lalisos 69.9°F 67.8°F
Lindos 69.8°F 67.5°F
Lardos 69.8°F 67.5°F
Afantou 69.8°F 67.6°F
Kardamena 69.8°F 67.7°F
Rhodes 69.7°F 67.5°F
Kiotari 69.7°F 67.5°F
Kos 69.5°F 67.5°F
Matala 68.0°F 66.4°F
Ierapetra 67.4°F 65.6°F
Samos 67.2°F 65.1°F
Chania 67.1°F 65.4°F
Rethymno 67.1°F 65.4°F
Elounda 67.0°F 65.2°F
Agia Pelagia 66.9°F 65.3°F
Agios Nikolaos 66.9°F 65.1°F
Kavros 66.8°F 65.2°F
Kissamos 66.8°F 65.6°F

Best time for vacation in Piraeus

Sunniest months:
July 30 days
August 30 days
June 27 days
Warmest months:
July 90.8 °F
August 90.0 °F
June 85.1 °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 9.2 mph
February 9.2 mph

Piraeus on a weather map

Piraeus
+91°F
S 20 mph
Feels like: +90°F
Precip.: 0%
Places in Greece:
Name
°F
+95°F
+90°F
+81°F
+86°F
+82°F
+82°F
+91°F
+95°F
+88°F
+84°F
+84°F
+88°F
+84°F
+84°F
24 Hours Forecast
Piraeus
Local time: 15:16
August 05, wednesday
1800
91°F
S
18 mph
2100
84°F
SE
9 mph
August 06, thursday
0000
82°F
S
9 mph
0300
81°F
S
9 mph
0600
79°F
S
8 mph
0900
84°F
S
12 mph
1200
90°F
S
18 mph
1500
90°F
S
19 mph
Units of measurement: °C / °F