S
M
T
W
T
F
S
26
65°
47°
27
69°
48°
28
72°
47°
29
71°
46°
30
70°
47°
1
70°
47°
2
70°
46°
3
69°
47°
4
68°
48°
5
72°
46°
6
67°
46°
7
70°
48°
8
67°
47°
9
66°
47°
10
66°
48°
11
67°
47°
12
68°
48°
13
68°
46°
14
69°
45°
15
69°
48°
16
68°
49°
17
67°
48°
18
68°
50°
19
69°
50°
20
69°
49°
21
74°
50°
22
76°
51°
23
75°
50°
24
77°
51°
25
78°
53°
26
78°
53°
27
77°
52°
28
78°
53°
29
77°
52°
30
75°
50°
31
71°
47°
1
70°
47°
2
71°
48°
3
71°
49°
4
73°
51°
5
76°
51°
6
78°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in San Juan Bautista
San Juan Bautista's May 2026 forecast shows daily high temperatures ranging from 65° to 78°, with overnight lows between 45° and 53°. The average high for May is 71° with an average low of 49°. 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 Juan Bautista. See also: June | July | August.
