S
M
T
W
T
F
S
26
87°
77°
27
89°
78°
28
86°
78°
29
87°
76°
30
87°
76°
1
88°
79°
2
88°
79°
3
82°
78°
4
88°
78°
5
87°
80°
6
88°
80°
7
88°
80°
8
85°
80°
9
81°
79°
10
87°
78°
11
88°
79°
12
85°
78°
13
88°
77°
14
88°
78°
15
88°
78°
16
89°
80°
17
89°
82°
18
88°
79°
19
83°
77°
20
88°
77°
21
88°
80°
22
88°
80°
23
88°
79°
24
87°
78°
25
88°
78°
26
N/A
27
84°
78°
28
85°
80°
29
85°
78°
30
85°
77°
31
85°
77°
1
86°
78°
2
87°
78°
3
89°
76°
4
88°
77°
5
89°
78°
6
88°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Colonia
Colonia's May 2026 forecast shows daily high temperatures ranging from 84° to 89°, with overnight lows between 76° and 80°. The average high for May is 86° 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 Colonia. See also: June | July | August.
