S
M
T
W
T
F
S
26
38°
33°
27
50°
32°
28
41°
35°
29
44°
35°
30
46°
34°
1
60°
37°
2
67°
43°
3
64°
42°
4
67°
46°
5
62°
42°
6
51°
41°
7
56°
39°
8
59°
39°
9
58°
40°
10
63°
44°
11
62°
49°
12
67°
48°
13
71°
54°
14
62°
48°
15
56°
48°
16
61°
51°
17
70°
51°
18
75°
49°
19
88°
61°
20
64°
53°
21
70°
52°
22
64°
54°
23
66°
53°
24
63°
55°
25
60°
53°
26
62°
46°
27
52°
40°
28
47°
40°
29
48°
42°
30
51°
45°
31
60°
47°
1
60°
47°
2
72°
46°
3
73°
54°
4
79°
60°
5
82°
62°
6
82°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Saint Petersburg
Saint Petersburg'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 Saint Petersburg. See also: June | July | August.
