S
M
T
W
T
F
S
26
87°
78°
27
88°
77°
28
88°
78°
29
87°
78°
30
88°
77°
31
88°
78°
1
89°
77°
2
85°
78°
3
87°
74°
4
86°
75°
5
87°
76°
6
87°
74°
7
88°
73°
8
87°
74°
9
88°
75°
10
87°
75°
11
87°
77°
12
88°
76°
13
87°
76°
14
87°
75°
15
86°
74°
16
87°
74°
17
86°
75°
18
88°
74°
19
89°
75°
20
86°
75°
21
86°
74°
22
87°
74°
23
86°
73°
24
86°
73°
25
87°
74°
26
87°
74°
27
86°
73°
28
85°
72°
29
86°
73°
30
85°
74°
31
85°
74°
1
86°
73°
2
87°
71°
3
85°
71°
4
85°
72°
5
88°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Amakusa-shi
Amakusa-shi's August 2026 forecast shows daily high temperatures ranging from 85° to 89°, with overnight lows between 71° and 78°. The average high for August is 87° with an average low of 75°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Amakusa-shi. See also: September | October | November.