S
M
T
W
T
F
S
26
51°
35°
27
51°
36°
28
48°
34°
29
47°
34°
30
50°
33°
1
50°
34°
2
49°
35°
3
40°
32°
4
40°
30°
5
41°
30°
6
40°
31°
7
41°
32°
8
41°
31°
9
42°
32°
10
42°
32°
11
41°
33°
12
42°
33°
13
43°
34°
14
44°
34°
15
45°
33°
16
44°
34°
17
45°
33°
18
45°
34°
19
46°
35°
20
46°
36°
21
47°
35°
22
51°
35°
23
53°
40°
24
53°
41°
25
51°
40°
26
52°
39°
27
53°
39°
28
54°
41°
29
53°
39°
30
49°
36°
31
53°
40°
1
52°
37°
2
49°
37°
3
49°
35°
4
50°
36°
5
49°
40°
6
50°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lech
Lech's May 2026 forecast shows daily high temperatures ranging from 40° to 54°, with overnight lows between 30° and 44°. The average high for May is 47° with an average low of 35°. 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 Lech. See also: June | July | August.
