29.12
mon
mon
Day
48°F
E 2 mph
Precip.
0%
0%
Night
37°F
NW 3 mph
Precip.
0%
0%
30.12
tue
tue
Day
48°F
W 2 mph
Precip.
0%
0%
Night
32°F
SW 12 mph
Precip.
0%
0%
31.12
wed
wed
Day
37°F
W 4 mph
Precip.
0%
0%
Night
34°F
W 16 mph
Precip.
84%
84%
01.01
thu
thu
Day
39°F
NE 2 mph
Precip.
0%
0%
Night
30°F
NW 2 mph
Precip.
100%
100%
02.01
fri
fri
Day
37°F
E 1 mph
Precip.
63%
63%
Night
32°F
SW 6 mph
Precip.
0%
0%
03.01
sat
sat
Day
39°F
NE 2 mph
Precip.
0%
0%
Night
32°F
W 5 mph
Precip.
0%
0%
04.01
sun
sun
Day
41°F
N 6 mph
Precip.
0%
0%
Night
34°F
SW 5 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 55.5°F. The highest and lowest sea temperatures during the month were 56.5°F and 54.1°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 50.0°F. The highest and lowest sea temperatures during the month were 50.9°F and 48.7°F.
Air temperature in Trieste, °F
Precipitation total in Trieste, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Trieste
Trieste on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Trieste
Local time: 00:53
December 29, monday
0300
37°F
W
5 mph
5 mph
0600
37°F
W
4 mph
4 mph
0900
41°F
W
3 mph
3 mph
1200
48°F
E
2 mph
2 mph
1500
46°F
E
1 mph
1 mph
1800
39°F
W
1 mph
1 mph
2100
37°F
W
2 mph
2 mph
December 30, tuesday
0000
37°F
NW
3 mph
3 mph
