Current sea water temperature:
+66.0°F
| Minimum sea water temperature in December: | 70.3°F |
| Maximum sea water temperature in December: | 62.1°F |
| Average sea water temperature in December: | 65.3°F |
| more information | |
14 days
forecast
forecast
| Heraklion |
monthly
weather
weather
| Heraklion |
Sea water temperature for the last 10 days:
| December 19 | 66.0°F | December 14 | 66.4°F |
| December 18 | 66.0°F | December 13 | 66.4°F |
| December 17 | 66.2°F | December 12 | 66.7°F |
| December 16 | 66.4°F | December 11 | 67.3°F |
| December 15 | 66.4°F | December 10 | 67.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Heraklion?
Based on the data about daily sea water temperature for the last three years the warmest sea in Heraklion was noticed in August, July and September.
Monthly Sea Temperatures in Heraklion, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 79.5°F. The highest and lowest sea temperatures during the month were 80.2°F and 78.6°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 79.0°F. The highest and lowest sea temperatures during the month were 82.0°F and 76.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 77.9°F. The highest and lowest sea temperatures during the month were 79.5°F and 74.8°F.
current
weather
weather
| Heraklion |
weather in
December
December
| Heraklion |
Best time for vacation in Heraklion
Heraklion on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Heraklion
Local time: 22:15
December 20, saturday
0000
52°F
E
2 mph
2 mph
0300
50°F
W
1 mph
1 mph
0600
55°F
N
2 mph
2 mph
0900
57°F
N
4 mph
4 mph
1200
61°F
N
2 mph
2 mph
1500
59°F
W
4 mph
4 mph
1800
55°F
NW
5 mph
5 mph
2100
54°F
NW
6 mph
6 mph
