S
M
T
W
T
F
S
26
66°
46°
27
63°
48°
28
57°
50°
29
57°
50°
30
68°
55°
1
61°
52°
2
59°
50°
3
59°
48°
4
59°
48°
5
57°
52°
6
54°
46°
7
59°
43°
8
64°
48°
9
64°
54°
10
55°
50°
11
55°
46°
12
59°
46°
13
57°
50°
14
54°
45°
15
55°
45°
16
57°
45°
17
55°
48°
18
57°
45°
19
61°
52°
20
63°
54°
21
70°
54°
22
77°
61°
23
70°
55°
24
79°
57°
25
88°
68°
26
88°
72°
27
86°
68°
28
84°
58°
29
65°
55°
30
68°
57°
31
66°
56°
1
66°
57°
2
65°
55°
3
63°
55°
4
63°
54°
5
62°
52°
6
64°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Saint Johns
Saint Johns's May 2026 forecast shows daily high temperatures ranging from 62° to 84°, with overnight lows between 52° and 58°. The average high for May is 67° with an average low of 55°. 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 Saint Johns. See also: June | July | August.
