S
M
T
W
T
F
S
28
81°
66°
29
80°
66°
30
80°
67°
1
80°
71°
2
N/A
3
77°
63°
4
82°
64°
5
82°
65°
6
79°
64°
7
82°
67°
8
84°
67°
9
93°
72°
10
91°
75°
11
80°
71°
12
87°
71°
13
87°
70°
14
86°
71°
15
84°
68°
16
85°
67°
17
85°
69°
18
84°
69°
19
85°
68°
20
84°
69°
21
81°
69°
22
83°
68°
23
81°
69°
24
82°
68°
25
81°
66°
26
81°
67°
27
82°
68°
28
84°
70°
29
83°
69°
30
82°
70°
31
83°
70°
1
87°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Karuizawa
Karuizawa's July 2026 forecast shows daily high temperatures ranging from 77° to 93°, with overnight lows between 63° and 75°. The average high for July is 84° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Karuizawa. See also: August | September | October.
