S
M
T
W
T
F
S
26
77°
45°
27
79°
50°
28
72°
55°
29
73°
59°
30
66°
50°
1
70°
46°
2
75°
43°
3
73°
45°
4
72°
48°
5
59°
54°
6
63°
54°
7
70°
50°
8
68°
48°
9
75°
48°
10
61°
55°
11
68°
52°
12
68°
50°
13
66°
48°
14
63°
46°
15
55°
43°
16
70°
41°
17
70°
50°
18
70°
48°
19
72°
46°
20
77°
50°
21
81°
54°
22
82°
59°
23
84°
59°
24
86°
63°
25
90°
64°
26
91°
66°
27
91°
66°
28
91°
68°
29
84°
64°
30
86°
64°
31
88°
63°
1
86°
64°
2
69°
51°
3
79°
60°
4
70°
52°
5
75°
54°
6
71°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Serravalle Sesia
Serravalle Sesia's May 2026 forecast shows daily high temperatures ranging from 69° to 79°, with overnight lows between 51° and 60°. The average high for May is 73° 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 Serravalle Sesia. See also: June | July | August.