S
M
T
W
T
F
S
26
59°
50°
27
64°
49°
28
71°
46°
29
75°
47°
30
74°
46°
1
75°
46°
2
59°
50°
3
65°
53°
4
62°
46°
5
63°
50°
6
72°
53°
7
72°
50°
8
71°
48°
9
75°
47°
10
72°
51°
11
79°
47°
12
79°
50°
13
69°
54°
14
78°
47°
15
77°
48°
16
72°
53°
17
73°
50°
18
82°
64°
19
87°
51°
20
86°
51°
21
83°
49°
22
82°
47°
23
74°
53°
24
68°
51°
25
67°
51°
26
62°
48°
27
68°
52°
28
70°
51°
29
66°
48°
30
71°
48°
31
76°
50°
1
81°
53°
2
83°
55°
3
85°
54°
4
79°
55°
5
76°
53°
6
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in San Geronimo
San Geronimo's May 2026 forecast shows daily high temperatures ranging from 62° to 85°, with overnight lows between 48° and 55°. The average high for May is 74° 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 Geronimo. See also: June | July | August.
