S
M
T
W
T
F
S
26
90°
79°
27
90°
81°
28
89°
81°
29
91°
82°
30
92°
82°
1
91°
82°
2
90°
83°
3
91°
82°
4
90°
83°
5
91°
82°
6
92°
82°
7
90°
82°
8
92°
82°
9
90°
82°
10
90°
80°
11
90°
82°
12
90°
82°
13
90°
82°
14
90°
82°
15
91°
82°
16
91°
82°
17
91°
82°
18
91°
82°
19
90°
82°
20
90°
82°
21
90°
82°
22
91°
83°
23
92°
83°
24
90°
81°
25
91°
82°
26
91°
82°
27
90°
82°
28
90°
82°
29
90°
82°
30
92°
82°
31
91°
82°
1
91°
79°
2
90°
81°
3
90°
83°
4
91°
82°
5
90°
81°
6
90°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in San Andres
San Andres's May 2026 forecast shows daily high temperatures ranging from 90° to 90°, with overnight lows between 78° and 78°. The average high for May is 90° with an average low of 78°. 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 Andres. See also: June | July | August.
