Measurements:
°C
°F
CURRENT WEATHER
13:30
Trieste
80°F
E 6 mph
Feels like: 82°F
Precip: 0%
World Resorts Italy Trieste Weather

7 Day Weather Forecast

05.30
sat
DAY
80°F
E 6 mph
precip
0%
NIGHT
66°F
W 3 mph
precip
0%
05.31
sun
DAY
80°F
E 6 mph
precip
0%
NIGHT
62°F
W 3 mph
precip
75%
06.01
mon
DAY
74°F
NW 2 mph
precip
100%
NIGHT
62°F
W 3 mph
precip
0%
06.02
tue
DAY
78°F
E 2 mph
precip
100%
NIGHT
62°F
W 6 mph
precip
100%
06.03
wed
DAY
66°F
N 10 mph
precip
100%
NIGHT
58°F
W 5 mph
precip
0%
06.04
thu
DAY
76°F
E 4 mph
precip
100%
NIGHT
64°F
W 2 mph
precip
0%
06.05
fri
DAY
80°F
E 4 mph
precip
0%
NIGHT
66°F
W 4 mph
precip
0%

Trieste Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Trieste was 18.4°F. The maximum and minimum values were 14.3°F and 24.0°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 44.1 °F
December 46.9 °F
February 47.5 °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