S
M
T
W
T
F
S
26
61°
46°
27
63°
43°
28
72°
43°
29
77°
46°
30
79°
46°
1
79°
52°
2
68°
52°
3
69°
48°
4
66°
49°
5
68°
50°
6
77°
49°
7
82°
51°
8
82°
50°
9
82°
52°
10
80°
51°
11
82°
52°
12
77°
53°
13
76°
51°
14
78°
52°
15
77°
50°
16
79°
53°
17
80°
54°
18
80°
53°
19
81°
54°
20
82°
54°
21
80°
52°
22
80°
52°
23
81°
54°
24
82°
54°
25
82°
53°
26
81°
53°
27
77°
52°
28
75°
53°
29
76°
54°
30
76°
54°
31
77°
55°
1
80°
55°
2
82°
54°
3
80°
55°
4
76°
53°
5
76°
53°
6
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in San Martin
San Martin's May 2026 forecast shows daily high temperatures ranging from 66° to 82°, with overnight lows between 48° and 55°. The average high for May is 78° with an average low of 52°. 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 San Martin. See also: June | July | August.
