Current sea water temperature:
+78.6°F
| Minimum sea water temperature in August: | 83.7°F |
| Maximum sea water temperature in August: | 77.7°F |
| Average sea water temperature in August: | 80.3°F |
| more information | |
14 days
forecast
forecast
| Piraeus |
monthly
weather
weather
| Piraeus |
Sea water temperature for the last 10 days:
| August 5 | 78.6°F | July 31 | 80.2°F |
| August 4 | 78.8°F | July 30 | 80.8°F |
| August 3 | 78.4°F | July 29 | 81.0°F |
| August 2 | 79.2°F | July 28 | 80.2°F |
| August 1 | 79.7°F | July 27 | 79.7°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 79.6°F. The highest and lowest sea temperatures during the month were 82.8°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
August
August
| Piraeus |
Best time for vacation in Piraeus
Piraeus on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Piraeus
Local time: 14:30
August 05, wednesday
1500
91°F
S
20 mph
20 mph
1800
91°F
S
18 mph
18 mph
2100
84°F
SE
9 mph
9 mph
August 06, thursday
0000
82°F
S
9 mph
9 mph
0300
81°F
S
9 mph
9 mph
0600
79°F
S
8 mph
8 mph
0900
84°F
S
12 mph
12 mph
1200
90°F
S
18 mph
18 mph
