S
M
T
W
T
F
S
26
71°
52°
27
70°
51°
28
70°
55°
29
71°
55°
30
71°
54°
31
72°
55°
1
71°
56°
2
71°
56°
3
72°
55°
4
71°
57°
5
72°
57°
6
73°
55°
7
72°
57°
8
74°
56°
9
76°
52°
10
71°
51°
11
71°
52°
12
70°
53°
13
Hist. Avg.
75°
54°
14
Hist. Avg.
75°
54°
15
Hist. Avg.
75°
54°
16
Hist. Avg.
75°
54°
17
Hist. Avg.
75°
54°
18
Hist. Avg.
75°
54°
19
Hist. Avg.
74°
54°
20
Hist. Avg.
74°
53°
21
Hist. Avg.
74°
53°
22
Hist. Avg.
74°
53°
23
Hist. Avg.
74°
53°
24
Hist. Avg.
73°
53°
25
Hist. Avg.
73°
52°
26
Hist. Avg.
73°
52°
27
Hist. Avg.
73°
52°
28
Hist. Avg.
73°
52°
29
Hist. Avg.
72°
52°
30
Hist. Avg.
72°
52°
31
Hist. Avg.
72°
52°
1
Hist. Avg.
72°
51°
2
Hist. Avg.
72°
51°
3
Hist. Avg.
71°
51°
4
Hist. Avg.
71°
51°
5
Hist. Avg.
71°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Grainau
Grainau's August 2026 forecast shows daily high temperatures ranging from 70° to 76°, with overnight lows between 51° and 57°. The average high for August is 72° with an average low of 54°. 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 Grainau. See also: September | October | November.
