Current sea water temperature:
+63.9°F
| Minimum sea water temperature in December: | 66.2°F |
| Maximum sea water temperature in December: | 59.7°F |
| Average sea water temperature in December: | 63.3°F |
| more information | |
14 days
forecast
forecast
| Ischia |
monthly
weather
weather
| Ischia |
Sea water temperature for the last 10 days:
| December 4 | 63.9°F | November 29 | 64.8°F |
| December 3 | 64.2°F | November 28 | 65.3°F |
| December 2 | 64.6°F | November 27 | 65.3°F |
| December 1 | 64.4°F | November 26 | 65.5°F |
| November 30 | 64.8°F | November 25 | 65.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Ischia?
Based on the data about daily sea water temperature for the last three years the warmest sea in Ischia was noticed in August, July and September.
Monthly Sea Temperatures in Ischia, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 80.2°F. The highest and lowest sea temperatures during the month were 81.5°F and 78.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 80.6°F. The highest and lowest sea temperatures during the month were 82.9°F and 78.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 78.5°F. The highest and lowest sea temperatures during the month were 80.1°F and 75.9°F.
current
weather
weather
| Ischia |
weather in
December
December
| Ischia |
Best time for vacation in Ischia
Ischia on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Ischia
Local time: 04:01
December 05, friday
0600
59°F
NW
6 mph
6 mph
0900
59°F
NW
6 mph
6 mph
1200
59°F
W
9 mph
9 mph
1500
59°F
W
8 mph
8 mph
1800
59°F
W
6 mph
6 mph
2100
59°F
S
6 mph
6 mph
December 06, saturday
0000
59°F
S
12 mph
12 mph
0300
57°F
S
9 mph
9 mph
