S
M
T
W
T
F
S
26
87°
75°
27
86°
77°
28
86°
77°
29
87°
79°
30
88°
76°
1
88°
76°
2
87°
79°
3
87°
78°
4
85°
77°
5
88°
75°
6
86°
77°
7
86°
79°
8
86°
80°
9
86°
78°
10
85°
76°
11
85°
78°
12
87°
77°
13
87°
77°
14
88°
77°
15
89°
78°
16
89°
78°
17
89°
78°
18
89°
78°
19
88°
77°
20
88°
77°
21
89°
78°
22
88°
79°
23
88°
80°
24
88°
79°
25
87°
80°
26
85°
80°
27
86°
79°
28
87°
79°
29
86°
80°
30
86°
80°
31
87°
79°
1
86°
80°
2
86°
80°
3
87°
79°
4
86°
80°
5
86°
80°
6
87°
79°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Tamuning
Tamuning's May 2026 forecast shows daily high temperatures ranging from 85° to 89°, with overnight lows between 77° and 80°. The average high for May is 87° with an average low of 79°. 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 Tamuning. See also: June | July | August.