S
M
T
W
T
F
S
26
94°
81°
27
92°
80°
28
93°
80°
29
94°
80°
30
93°
80°
1
93°
80°
2
94°
81°
3
93°
77°
4
93°
81°
5
91°
79°
6
93°
80°
7
92°
79°
8
93°
78°
9
91°
78°
10
89°
79°
11
92°
79°
12
91°
78°
13
85°
76°
14
84°
74°
15
N/A
16
87°
79°
17
88°
80°
18
88°
81°
19
89°
81°
20
90°
81°
21
88°
79°
22
89°
79°
23
90°
80°
24
89°
81°
25
89°
80°
26
89°
80°
27
88°
81°
28
88°
80°
29
87°
80°
30
88°
79°
31
86°
80°
1
89°
81°
2
89°
80°
3
90°
81°
4
88°
81°
5
89°
80°
6
89°
81°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Colombo
Colombo's May 2026 forecast shows daily high temperatures ranging from 86° to 90°, with overnight lows between 79° and 81°. The average high for May is 89° with an average low of 80°. 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 Colombo. See also: June | July | August.
