S
M
T
W
T
F
S
26
97°
78°
27
99°
78°
28
95°
77°
29
94°
78°
30
95°
78°
1
95°
77°
2
96°
77°
3
94°
78°
4
95°
78°
5
96°
77°
6
95°
78°
7
96°
78°
8
96°
77°
9
95°
78°
10
94°
78°
11
94°
77°
12
96°
78°
13
95°
78°
14
94°
77°
15
94°
77°
16
95°
78°
17
95°
78°
18
97°
76°
19
96°
75°
20
96°
76°
21
97°
75°
22
96°
75°
23
96°
76°
24
97°
75°
25
96°
75°
26
97°
76°
27
97°
75°
28
98°
75°
29
97°
76°
30
97°
76°
31
96°
75°
1
97°
76°
2
96°
75°
3
96°
76°
4
95°
75°
5
96°
76°
6
96°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Santo Tomas
Santo Tomas's May 2026 forecast shows daily high temperatures ranging from 94° to 99°, with overnight lows between 75° and 78°. The average high for May is 96° with an average low of 77°. 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 Santo Tomas. See also: June | July | August.
