S
M
T
W
T
F
S
26
63°
53°
27
64°
51°
28
68°
53°
29
69°
53°
30
67°
52°
1
64°
54°
2
64°
55°
3
68°
55°
4
66°
54°
5
65°
55°
6
69°
55°
7
71°
56°
8
70°
55°
9
77°
58°
10
78°
58°
11
78°
56°
12
79°
56°
13
78°
58°
14
79°
57°
15
65°
53°
16
65°
52°
17
66°
50°
18
64°
54°
19
65°
50°
20
68°
52°
21
70°
54°
22
72°
55°
23
74°
58°
24
75°
57°
25
74°
56°
26
72°
55°
27
69°
54°
28
67°
53°
29
66°
52°
30
67°
54°
31
67°
53°
1
68°
52°
2
68°
53°
3
70°
55°
4
73°
57°
5
72°
54°
6
70°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in San Lorenzo
San Lorenzo's May 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 50° and 58°. The average high for May is 70° with an average low of 55°. 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 Lorenzo. See also: June | July | August.