S
M
T
W
T
F
S
27
74°
51°
28
74°
52°
29
77°
50°
30
78°
52°
1
79°
52°
2
80°
53°
3
76°
54°
4
74°
60°
5
69°
56°
6
63°
53°
7
65°
53°
8
64°
52°
9
67°
52°
10
69°
49°
11
73°
46°
12
72°
51°
13
73°
53°
14
72°
52°
15
71°
53°
16
67°
52°
17
66°
45°
18
70°
51°
19
73°
54°
20
72°
57°
21
71°
58°
22
70°
57°
23
61°
51°
24
69°
47°
25
69°
44°
26
73°
51°
27
75°
55°
28
76°
54°
29
76°
55°
30
76°
60°
31
81°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Trieste
Trieste's May 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Trieste. See also: June | July | August.
