S
M
T
W
T
F
S
26
92°
76°
27
86°
77°
28
88°
76°
29
85°
75°
30
89°
76°
1
87°
76°
2
90°
76°
3
90°
76°
4
91°
77°
5
92°
77°
6
92°
77°
7
88°
77°
8
87°
76°
9
87°
76°
10
89°
77°
11
88°
77°
12
88°
76°
13
87°
76°
14
92°
75°
15
88°
78°
16
87°
78°
17
87°
78°
18
86°
77°
19
85°
78°
20
86°
77°
21
87°
78°
22
87°
75°
23
88°
74°
24
86°
78°
25
87°
77°
26
86°
78°
27
84°
77°
28
87°
76°
29
85°
74°
30
85°
75°
31
86°
77°
1
86°
77°
2
87°
76°
3
86°
77°
4
86°
77°
5
87°
76°
6
86°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Altamira
Altamira's May 2026 forecast shows daily high temperatures ranging from 84° to 88°, with overnight lows between 74° and 78°. The average high for May is 86° 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 Altamira. See also: June | July | August.
