Current Sea Water Temperature:
+48.8°F
| Maximum Sea Water Temperature in January: | 54.8°F |
| Minimum Sea Water Temperature in January: | 46.4°F |
| Average water temperature in January: | 50.6°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| January 28 | 48.8°F | January 23 | 49.8°F |
| January 27 | 49.2°F | January 22 | 50.0°F |
| January 26 | 49.6°F | January 21 | 50.2°F |
| January 25 | 49.8°F | January 20 | 50.4°F |
| January 24 | 49.6°F | January 19 | 49.8°F |
When is the Warmest Sea for Trieste?
According to our data for the last three years for Trieste the highest average sea water temperature was in August, July and September.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Trieste was 79.4°F. The maximum and minimum values were 77.0°F and 81.8°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2025 for Trieste was 81.7°F. The maximum and minimum values were 79.2°F and 85.0°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Trieste was 78.0°F. The maximum and minimum values were 75.4°F and 81.0°F respectively.
Italy Resorts:
NAME
F°
| Amalfi |  |
+50 |
| Bari |  |
+52 |
| Cagliari |  |
+50 |
| Catania | |
+54 |
| Florence | |
+44 |
| Genoa | |
+42 |
| Naples | |
+52 |
| Palermo | |
+54 |
| Pisa | |
+48 |
| Reggio di Calabria | |
+52 |
| Rimini |  |
+46 |
| Rome | |
+48 |
| Sicily | |
+50 |
| Tropea | |
+50 |
| Venice | |
+42 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Trieste
Local time: 02:02
29 jan, thursday
| 0300 |  |
46°F | NE 4 mph |
| 0600 | |
46°F | NE 3 mph |
| 0900 |  |
46°F | W 1 mph |
| 1200 | |
48°F | E 4 mph |
| 1500 |  |
50°F | SE 2 mph |
| 1800 | |
44°F | S 2 mph |
| 2100 | |
42°F | SW 3 mph |
30 jan, friday
| 0000 | |
42°F | W 4 mph |