Current sea water temperature:
+80.6°F
| Minimum sea water temperature in July: | 83.5°F |
| Maximum sea water temperature in July: | 73.9°F |
| Average sea water temperature in July: | 79.0°F |
| more information | |
14 days
forecast
forecast
| Piraeus |
monthly
weather
weather
| Piraeus |
Sea water temperature for the last 10 days:
| July 16 | 80.6°F | July 11 | 78.3°F |
| July 15 | 79.9°F | July 10 | 77.7°F |
| July 14 | 80.1°F | July 9 | 78.1°F |
| July 13 | 79.5°F | July 8 | 77.5°F |
| July 12 | 78.8°F | July 7 | 77.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Piraeus?
Based on the data about daily sea water temperature for the last three years the warmest sea in Piraeus was noticed in August, July and September.
Monthly Sea Temperatures in Piraeus, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 79.6°F. The highest and lowest sea temperatures during the month were 81.3°F and 78.1°F.
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.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 78.2°F. The highest and lowest sea temperatures during the month were 79.9°F and 75.4°F.
current
weather
weather
| Piraeus |
weather in
July
July
| Piraeus |
Best time for vacation in Piraeus
Piraeus on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Piraeus
Local time: 12:24
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


























