S
M
T
W
T
F
S
26
51°
36°
27
51°
34°
28
55°
38°
29
53°
36°
30
52°
38°
1
54°
37°
2
53°
34°
3
57°
39°
4
62°
45°
5
65°
43°
6
58°
41°
7
63°
46°
8
68°
48°
9
68°
46°
10
67°
42°
11
57°
42°
12
58°
42°
13
59°
45°
14
58°
45°
15
61°
47°
16
66°
48°
17
60°
47°
18
65°
39°
19
66°
38°
20
60°
37°
21
61°
38°
22
60°
37°
23
61°
38°
24
62°
42°
25
64°
42°
26
65°
46°
27
69°
39°
28
63°
45°
29
64°
48°
30
71°
41°
31
67°
44°
1
64°
47°
2
67°
43°
3
66°
53°
4
72°
48°
5
75°
44°
6
67°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in St. Jacobs
St. Jacobs's May 2026 forecast shows daily high temperatures ranging from 51° to 75°, with overnight lows between 34° and 53°. The average high for May is 62° with an average low of 42°. 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 St. Jacobs. See also: June | July | August.
