S
M
T
W
T
F
S
26
88°
72°
27
88°
73°
28
88°
75°
29
88°
74°
30
N/A
1
84°
68°
2
84°
69°
3
84°
69°
4
85°
70°
5
86°
71°
6
85°
69°
7
81°
69°
8
80°
69°
9
81°
70°
10
80°
68°
11
82°
68°
12
81°
69°
13
79°
67°
14
79°
68°
15
78°
68°
16
78°
67°
17
79°
67°
18
78°
66°
19
78°
68°
20
79°
68°
21
79°
69°
22
80°
68°
23
78°
68°
24
78°
67°
25
79°
68°
26
78°
68°
27
80°
67°
28
79°
68°
29
79°
68°
30
80°
67°
31
79°
69°
1
79°
68°
2
80°
69°
3
79°
70°
4
79°
70°
5
80°
69°
6
80°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Coamo
Coamo's May 2026 forecast shows daily high temperatures ranging from 78° to 86°, with overnight lows between 66° and 71°. The average high for May is 80° with an average low of 68°. 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 Coamo. See also: June | July | August.
