26.12
fri
fri
Day
45°F
SW 8 mph
Precip.
0%
0%
Night
36°F
SW 6 mph
Precip.
0%
0%
27.12
sat
sat
Day
43°F
SW 7 mph
Precip.
0%
0%
Night
36°F
SW 4 mph
Precip.
0%
0%
28.12
sun
sun
Day
45°F
SW 9 mph
Precip.
0%
0%
Night
36°F
W 4 mph
Precip.
80%
80%
29.12
mon
mon
Day
43°F
E 2 mph
Precip.
0%
0%
Night
37°F
NW 2 mph
Precip.
0%
0%
30.12
tue
tue
Day
43°F
NW 4 mph
Precip.
57%
57%
Night
41°F
W 2 mph
Precip.
81%
81%
31.12
wed
wed
Day
43°F
SW 1 mph
Precip.
100%
100%
Night
39°F
SW 3 mph
Precip.
100%
100%
01.01
thu
thu
Day
36°F
SW 21 mph
Precip.
100%
100%
Night
30°F
SW 8 mph
Precip.
45%
45%
02.01
fri
fri
Day
30°F
SW 6 mph
Precip.
0%
0%
Night
21°F
W 5 mph
Precip.
0%
0%
03.01
sat
sat
Day
30°F
E 2 mph
Precip.
0%
0%
Night
23°F
W 5 mph
Precip.
0%
0%
04.01
sun
sun
Day
34°F
N 2 mph
Precip.
0%
0%
Night
25°F
W 5 mph
Precip.
0%
0%
05.01
mon
mon
Day
36°F
NE 4 mph
Precip.
0%
0%
Night
30°F
SE 1 mph
Precip.
100%
100%
06.01
tue
tue
Day
36°F
N 2 mph
Precip.
67%
67%
Night
27°F
W 5 mph
Precip.
0%
0%
07.01
wed
wed
Day
37°F
W 4 mph
Precip.
0%
0%
Night
27°F
W 4 mph
Precip.
0%
0%
08.01
thu
thu
Day
37°F
N 3 mph
Precip.
0%
0%
Night
30°F
NW 5 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 55.7°F. The highest and lowest sea temperatures during the month were 56.5°F and 54.5°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: 02:41
December 26, friday
0300
36°F
SW
10 mph
10 mph
0600
36°F
SW
11 mph
11 mph
0900
37°F
SW
9 mph
9 mph
1200
45°F
SW
8 mph
8 mph
1500
45°F
SW
6 mph
6 mph
1800
37°F
W
6 mph
6 mph
2100
36°F
SW
6 mph
6 mph
December 27, saturday
0000
36°F
SW
6 mph
6 mph
