S
M
T
W
T
F
S
26
66°
48°
27
68°
46°
28
67°
44°
29
72°
48°
30
70°
50°
1
67°
52°
2
65°
55°
3
66°
56°
4
67°
47°
5
72°
51°
6
69°
48°
7
70°
51°
8
65°
55°
9
65°
52°
10
65°
55°
11
63°
53°
12
61°
54°
13
70°
53°
14
66°
51°
15
64°
51°
16
74°
48°
17
69°
49°
18
74°
51°
19
83°
53°
20
77°
53°
21
68°
55°
22
66°
55°
23
66°
53°
24
67°
51°
25
68°
48°
26
70°
50°
27
65°
48°
28
62°
51°
29
70°
48°
30
69°
56°
31
74°
55°
1
76°
54°
2
75°
56°
3
77°
54°
4
73°
58°
5
72°
59°
6
70°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Montecito
Montecito's May 2026 forecast shows daily high temperatures ranging from 69° to 77°, with overnight lows between 54° and 59°. The average high for May is 73° with an average low of 56°. 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 Montecito. See also: June | July | August.
