25.12
thu
thu
Day
57°F
W 10 mph
Precip.
100%
100%
Night
57°F
SW 15 mph
Precip.
0%
0%
26.12
fri
fri
Day
57°F
SW 13 mph
Precip.
0%
0%
Night
55°F
SW 19 mph
Precip.
0%
0%
27.12
sat
sat
Day
55°F
SW 13 mph
Precip.
0%
0%
Night
54°F
S 7 mph
Precip.
0%
0%
28.12
sun
sun
Day
54°F
SE 7 mph
Precip.
0%
0%
Night
55°F
W 20 mph
Precip.
0%
0%
29.12
mon
mon
Day
52°F
SW 14 mph
Precip.
0%
0%
Night
54°F
NE 4 mph
Precip.
0%
0%
30.12
tue
tue
Day
54°F
SE 4 mph
Precip.
44%
44%
Night
57°F
NW 8 mph
Precip.
100%
100%
31.12
wed
wed
Day
55°F
E 6 mph
Precip.
100%
100%
Night
57°F
NE 19 mph
Precip.
100%
100%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 64.0°F. The highest and lowest sea temperatures during the month were 64.8°F and 63.3°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 61.1°F. The highest and lowest sea temperatures during the month were 63.0°F and 59.5°F.
Air temperature in Ischia, °F
Precipitation total in Ischia, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Ischia
Ischia on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Ischia
Local time: 07:24
December 25, thursday
0900
57°F
W
13 mph
13 mph
1200
57°F
W
10 mph
10 mph
1500
59°F
W
7 mph
7 mph
1800
61°F
W
7 mph
7 mph
2100
59°F
SW
12 mph
12 mph
December 26, friday
0000
57°F
SW
15 mph
15 mph
0300
57°F
SW
14 mph
14 mph
0600
57°F
SW
12 mph
12 mph
