S
M
T
W
T
F
S
26
68°
46°
27
69°
47°
28
62°
42°
29
58°
42°
30
60°
43°
1
61°
43°
2
59°
39°
3
57°
38°
4
59°
38°
5
58°
41°
6
59°
41°
7
59°
42°
8
61°
41°
9
62°
43°
10
61°
42°
11
60°
41°
12
62°
43°
13
63°
45°
14
64°
44°
15
65°
44°
16
69°
47°
17
70°
50°
18
70°
49°
19
71°
45°
20
68°
45°
21
67°
48°
22
68°
50°
23
68°
48°
24
70°
49°
25
74°
54°
26
75°
55°
27
74°
54°
28
69°
51°
29
71°
50°
30
71°
53°
31
73°
52°
1
70°
50°
2
71°
49°
3
71°
52°
4
73°
52°
5
71°
50°
6
76°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sibiu
Sibiu's May 2026 forecast shows daily high temperatures ranging from 57° to 76°, with overnight lows between 38° and 56°. The average high for May is 66° with an average low of 47°. 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 Sibiu. See also: June | July | August.