S
M
T
W
T
F
S
26
85°
75°
27
86°
75°
28
86°
75°
29
86°
75°
30
86°
74°
1
86°
74°
2
87°
74°
3
87°
74°
4
88°
76°
5
87°
75°
6
88°
76°
7
87°
75°
8
86°
73°
9
87°
75°
10
88°
78°
11
87°
77°
12
88°
77°
13
88°
78°
14
88°
77°
15
87°
75°
16
88°
78°
17
88°
78°
18
88°
75°
19
87°
77°
20
88°
77°
21
88°
73°
22
88°
73°
23
83°
74°
24
88°
77°
25
88°
77°
26
88°
77°
27
87°
77°
28
87°
76°
29
88°
78°
30
88°
78°
31
88°
78°
1
88°
78°
2
88°
80°
3
87°
75°
4
85°
75°
5
87°
78°
6
87°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in St John
St John's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 John. See also: June | July | August.
