S
M
T
W
T
F
S
26
48°
34°
27
48°
36°
28
48°
32°
29
55°
34°
30
66°
43°
1
75°
39°
2
75°
52°
3
61°
43°
4
61°
39°
5
54°
36°
6
54°
30°
7
59°
30°
8
57°
30°
9
57°
34°
10
59°
36°
11
59°
41°
12
45°
43°
13
46°
43°
14
54°
41°
15
57°
46°
16
59°
43°
17
59°
41°
18
63°
39°
19
55°
43°
20
66°
41°
21
64°
46°
22
70°
50°
23
75°
54°
24
72°
55°
25
66°
54°
26
66°
48°
27
61°
48°
28
64°
45°
29
70°
43°
30
70°
48°
31
74°
46°
1
67°
50°
2
68°
55°
3
69°
51°
4
64°
54°
5
68°
54°
6
68°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Södertälje
Södertälje's May 2026 forecast shows daily high temperatures ranging from 64° to 74°, with overnight lows between 46° and 55°. The average high for May is 68° with an average low of 52°. 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 Södertälje. See also: June | July | August.