S
M
T
W
T
F
S
26
81°
73°
27
80°
74°
28
80°
74°
29
81°
73°
30
80°
75°
1
79°
74°
2
79°
74°
3
80°
74°
4
80°
74°
5
81°
74°
6
81°
75°
7
82°
75°
8
79°
74°
9
80°
74°
10
79°
75°
11
79°
75°
12
80°
74°
13
79°
75°
14
80°
74°
15
80°
74°
16
80°
75°
17
80°
75°
18
80°
74°
19
79°
75°
20
79°
75°
21
80°
74°
22
79°
75°
23
79°
75°
24
80°
74°
25
80°
72°
26
79°
71°
27
80°
71°
28
81°
72°
29
80°
71°
30
81°
72°
31
82°
72°
1
82°
71°
2
79°
72°
3
81°
72°
4
81°
71°
5
79°
74°
6
80°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Santa Teresa
Santa Teresa's May 2026 forecast shows daily high temperatures ranging from 79° to 82°, with overnight lows between 71° and 75°. The average high for May is 80° with an average low of 74°. 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 Santa Teresa. See also: June | July | August.