S
M
T
W
T
F
S
26
72°
43°
27
73°
41°
28
70°
45°
29
63°
45°
30
64°
39°
1
73°
36°
2
81°
41°
3
81°
48°
4
75°
52°
5
72°
50°
6
70°
48°
7
64°
48°
8
72°
48°
9
72°
46°
10
73°
45°
11
64°
48°
12
54°
41°
13
66°
36°
14
48°
43°
15
54°
41°
16
54°
43°
17
63°
39°
18
68°
43°
19
66°
46°
20
66°
52°
21
72°
54°
22
81°
46°
23
84°
50°
24
84°
54°
25
88°
55°
26
88°
60°
27
83°
56°
28
79°
51°
29
82°
54°
30
84°
56°
31
80°
53°
1
75°
55°
2
77°
56°
3
71°
53°
4
67°
51°
5
69°
51°
6
71°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Jachenau
Jachenau's May 2026 forecast shows daily high temperatures ranging from 67° to 88°, with overnight lows between 51° and 60°. The average high for May is 77° with an average low of 54°. 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 Jachenau. See also: June | July | August.