Average sea water temperature in July:
+79.0°F
| Minimum sea water temperature in July: | 83.5°F |
| Maximum sea water temperature in July: | 73.9°F |
Daily sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 78.2°F. The highest and lowest sea temperatures during the month were 80.6°F and 75.9°F.
Monthly sea water temperature in Piraeus, °F
Which Greece resorts have warmest sea in July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Preveza | 80.9°F | 81.3°F |
| Chalkidiki | 80.8°F | 81.4°F |
| Yerakini | 80.8°F | 81.4°F |
| Nea Poteidaia | 80.7°F | 81.5°F |
| Kallithea | 80.6°F | 81.6°F |
| Afytos | 80.6°F | 81.6°F |
| Nikiti | 80.5°F | 81.0°F |
| Vourvourou | 80.4°F | 81.1°F |
| Polychrono | 80.3°F | 81.6°F |
| Neos Marmaras | 80.3°F | 81.2°F |
| Lefkada | 80.3°F | 79.5°F |
| Laganas | 80.3°F | 79.2°F |
| Rethymno | 80.2°F | 79.8°F |
| Pefkochori | 80.2°F | 81.4°F |
| Ouranoupoli | 80.1°F | 80.8°F |
| Kriopigi | 80.1°F | 81.5°F |
| Kalamata | 80.1°F | 80.1°F |
| Kassandra | 80.0°F | 81.4°F |
| Hanioti | 80.0°F | 81.3°F |
| Nea Kallikratia | 79.9°F | 80.6°F |
Best time for vacation in Piraeus
Piraeus on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Piraeus
Local time: 13:12
July 16, thursday
1500
91°F
SW
9 mph
9 mph
1800
90°F
SW
13 mph
13 mph
2100
84°F
S
6 mph
6 mph
July 17, friday
0000
82°F
S
6 mph
6 mph
0300
81°F
S
7 mph
7 mph
0600
79°F
S
8 mph
8 mph
0900
84°F
S
10 mph
10 mph
1200
88°F
S
15 mph
15 mph
