S
M
T
W
T
F
S
26
65°
37°
27
70°
39°
28
68°
42°
29
64°
47°
30
54°
40°
1
56°
41°
2
53°
31°
3
50°
40°
4
63°
51°
5
68°
56°
6
61°
45°
7
54°
38°
8
50°
34°
9
54°
41°
10
58°
41°
11
59°
42°
12
60°
43°
13
57°
44°
14
60°
42°
15
63°
41°
16
64°
43°
17
63°
42°
18
64°
50°
19
69°
50°
20
71°
49°
21
73°
51°
22
69°
49°
23
64°
50°
24
70°
46°
25
65°
43°
26
66°
46°
27
67°
52°
28
66°
53°
29
72°
52°
30
69°
50°
31
70°
45°
1
67°
45°
2
67°
46°
3
68°
46°
4
67°
47°
5
67°
47°
6
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Canajoharie
Canajoharie's May 2026 forecast shows daily high temperatures ranging from 50° to 73°, with overnight lows between 31° and 56°. The average high for May is 64° with an average low of 45°. 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 Canajoharie. See also: June | July | August.