World Resorts Italy Trieste Weather

Trieste 14 Days Forecast

23.12
tue
Day
50°F
SW 4 mph
Precip.
100%
Night
45°F
SW 11 mph
Precip.
100%
24.12
wed
Day
43°F
SW 22 mph
Precip.
82%
Night
39°F
SW 17 mph
Precip.
100%
25.12
thu
Day
45°F
SW 14 mph
Precip.
0%
Night
39°F
SW 12 mph
Precip.
0%
26.12
fri
Day
45°F
SW 7 mph
Precip.
0%
Night
36°F
SW 6 mph
Precip.
0%
27.12
sat
Day
50°F
SW 5 mph
Precip.
0%
Night
39°F
W 4 mph
Precip.
0%
28.12
sun
Day
43°F
W 17 mph
Precip.
0%
Night
34°F
W 4 mph
Precip.
0%
29.12
mon
Day
41°F
N 2 mph
Precip.
0%
Night
34°F
W 2 mph
Precip.
0%
30.12
tue
Day
43°F
SW 2 mph
Precip.
0%
Night
32°F
W 4 mph
Precip.
0%
31.12
wed
Day
41°F
NE 2 mph
Precip.
0%
Night
36°F
NW 3 mph
Precip.
100%
01.01
thu
Day
43°F
SW 9 mph
Precip.
25%
Night
34°F
SW 18 mph
Precip.
0%
02.01
fri
Day
36°F
SW 13 mph
Precip.
0%
Night
28°F
SW 5 mph
Precip.
0%
03.01
sat
Day
37°F
NE 1 mph
Precip.
0%
Night
32°F
NW 3 mph
Precip.
0%
04.01
sun
Day
41°F
N 5 mph
Precip.
0%
Night
36°F
NW 2 mph
Precip.
65%
05.01
mon
Day
39°F
W 3 mph
Precip.
100%
Night
39°F
SW 6 mph
Precip.
100%

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

Sunniest months:
August 23 days
July 21 days
June 19 days
Warmest months:
August 84.3 °F
July 83.9 °F
June 79.0 °F
Warmest sea temp:
August 78.3 °F
July 78.1 °F
September 73.7 °F
Coldest months:
January 44.9 °F
December 47.0 °F
February 47.5 °F
Rainiest months:
May 7 days
November 6 days
September 6 days
Windiest months:
February 6.5 mph
March 6.3 mph
November 6.2 mph

Trieste on a weather map

Current weather
08:32
Trieste
+48°F
W 4 mph
Feels like: +46°F
Precip.: 100%
Places in Italy:
Name
°F
Amalfi
+54°F
Bari
+57°F
Venice
+48°F
Genoa
+45°F
Cagliari
+48°F
Catania
+55°F
Naples
+57°F
Palermo
+54°F
Pisa
+52°F
Rome
+55°F
Rimini
+52°F
Sicily
+52°F
Scalea
+46°F
Tropea
+55°F
Florence
+50°F
all places
24 Hours Forecast
Trieste
Local time: 08:32
December 23, tuesday
0900
48°F
W
4 mph
1200
50°F
SW
4 mph
1500
50°F
SW
5 mph
1800
46°F
SW
6 mph
2100
46°F
SW
8 mph
December 24, wednesday
0000
45°F
SW
11 mph
0300
43°F
SW
15 mph
0600
41°F
W
19 mph
Units of measurement: °C / °F