S
M
T
W
T
F
S
27
84°
77°
28
87°
77°
29
86°
75°
30
86°
76°
1
84°
75°
2
86°
75°
3
87°
76°
4
84°
77°
5
87°
75°
6
85°
76°
7
86°
75°
8
86°
75°
9
87°
76°
10
88°
77°
11
88°
78°
12
88°
77°
13
85°
76°
14
88°
77°
15
90°
76°
16
86°
77°
17
82°
76°
18
87°
76°
19
88°
77°
20
88°
77°
21
90°
77°
22
88°
77°
23
89°
78°
24
89°
78°
25
89°
78°
26
88°
78°
27
88°
78°
28
85°
77°
29
84°
75°
30
87°
77°
31
87°
79°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in St John
St John's May 2025 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.
