S
M
T
W
T
F
S
26
70°
45°
27
72°
46°
28
68°
48°
29
73°
54°
30
N/A
1
75°
55°
2
78°
56°
3
66°
53°
4
65°
50°
5
60°
46°
6
59°
44°
7
60°
44°
8
65°
49°
9
67°
51°
10
69°
52°
11
68°
53°
12
69°
54°
13
64°
48°
14
60°
45°
15
62°
48°
16
67°
53°
17
69°
54°
18
68°
52°
19
69°
53°
20
64°
49°
21
63°
52°
22
64°
48°
23
63°
48°
24
65°
49°
25
68°
50°
26
64°
48°
27
70°
55°
28
67°
54°
29
68°
56°
30
71°
52°
31
64°
48°
1
63°
48°
2
63°
49°
3
64°
48°
4
64°
50°
5
65°
49°
6
67°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Serris
Serris's May 2026 forecast shows daily high temperatures ranging from 59° to 78°, with overnight lows between 44° and 56°. The average high for May is 66° with an average low of 50°. 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 Serris. See also: June | July | August.