S
M
T
W
T
F
S
26
70°
52°
27
71°
52°
28
74°
54°
29
72°
54°
30
73°
53°
1
71°
53°
2
72°
52°
3
71°
53°
4
72°
53°
5
73°
54°
6
73°
56°
7
74°
56°
8
75°
57°
9
72°
56°
10
73°
55°
11
74°
55°
12
75°
57°
13
76°
57°
14
78°
59°
15
79°
63°
16
84°
64°
17
87°
63°
18
83°
66°
19
86°
67°
20
87°
68°
21
89°
67°
22
90°
68°
23
90°
65°
24
83°
67°
25
88°
65°
26
86°
61°
27
84°
60°
28
84°
61°
29
85°
60°
30
84°
62°
31
85°
63°
1
86°
63°
2
86°
64°
3
87°
66°
4
92°
66°
5
93°
72°
6
95°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Tehran
Tehran's May 2026 forecast shows daily high temperatures ranging from 70° to 95°, with overnight lows between 52° and 72°. The average high for May is 81° with an average low of 60°. 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 Tehran. See also: June | July | August.
