Measurements:
°C
°F
CURRENT WEATHER
10:17
Trieste
52°F
NE 2 mph
Feels like: 52°F
Precip: 100%
World Resorts Italy Trieste Weather

14 Day Weather Forecast

12.18
thu
DAY
52°F
N 2 mph
precip
68%
NIGHT
48°F
NE 2 mph
precip
82%
12.19
fri
DAY
52°F
N 2 mph
precip
82%
NIGHT
48°F
SE 1 mph
precip
64%
12.20
sat
DAY
54°F
SW 2 mph
precip
0%
NIGHT
44°F
W 6 mph
precip
0%
12.21
sun
DAY
52°F
SW 6 mph
precip
0%
NIGHT
46°F
W 4 mph
precip
0%
12.22
mon
DAY
52°F
W 4 mph
precip
79%
NIGHT
50°F
W 4 mph
precip
100%
12.23
tue
DAY
54°F
W 2 mph
precip
100%
NIGHT
48°F
SW 5 mph
precip
100%
12.24
wed
DAY
50°F
NW 2 mph
precip
100%
NIGHT
44°F
W 3 mph
precip
22%
12.25
thu
DAY
54°F
W 2 mph
precip
100%
NIGHT
50°F
W 5 mph
precip
74%
12.26
fri
DAY
52°F
W 6 mph
precip
100%
NIGHT
50°F
W 9 mph
precip
56%
12.27
sat
DAY
52°F
SW 9 mph
precip
27%
NIGHT
44°F
SW 11 mph
precip
0%
12.28
sun
DAY
46°F
SW 12 mph
precip
0%
NIGHT
38°F
SW 7 mph
precip
0%
12.29
mon
DAY
44°F
SW 6 mph
precip
0%
NIGHT
36°F
W 6 mph
precip
0%
12.30
tue
DAY
46°F
SW 7 mph
precip
0%
NIGHT
34°F
SW 14 mph
precip
0%
12.31
wed
DAY
38°F
SW 18 mph
precip
0%
NIGHT
34°F
SW 11 mph
precip
0%

Trieste Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Trieste was 56.5°F. The maximum and minimum values were 55.6°F and 57.2°F respectively.

Trieste on the Weather Map

Best Time to Visit Trieste
The most sunny months:
August 23 days
July 21 days
June 19 days
The most warm months:
August 88.1 °F
July 87.7 °F
June 82.2 °F
Warmest sea temperature:
August 81.5 °F
July 81.2 °F
September 76.4 °F
The most cold months:
January 44.3 °F
December 46.7 °F
February 47.3 °F
The most rainy months:
May 7 days
November 6 days
September 6 days
The most windy months:
February 6 mph
March 6 mph
November 6 mph
more details
Italy Resorts:
NAME
F°
Amalfi +54
Bari +58
Cagliari +58
Catania +60
Florence +50
Genoa +46
Naples +58
Palermo +60
Reggio di Calabria +60
Rimini +50
Rome +56
Scalea +50
Sicily +56
Tropea +60
Venice +50
all resorts
24 Hours Weather Forecast
Trieste
Local time: 10:17
18 dec, thursday
1200 52°F
N
2 mph
1500 52°F
E
2 mph
1800 50°F
NE
2 mph
2100 50°F
NE
1 mph
19 dec, friday
0000 48°F
NE
2 mph
0300 48°F
N
2 mph
0600 48°F
NE
2 mph
0900 50°F
E
1 mph