S
M
T
W
T
F
S
28
78°
46°
29
80°
50°
30
69°
49°
1
75°
46°
2
70°
52°
3
79°
49°
4
72°
53°
5
71°
53°
6
72°
50°
7
77°
49°
8
84°
52°
9
88°
51°
10
84°
52°
11
87°
54°
12
86°
53°
13
86°
52°
14
90°
53°
15
88°
52°
16
88°
51°
17
84°
53°
18
79°
53°
19
80°
52°
20
83°
54°
21
85°
55°
22
85°
55°
23
84°
54°
24
85°
55°
25
84°
54°
26
85°
54°
27
82°
53°
28
81°
54°
29
84°
54°
30
84°
53°
31
83°
54°
1
84°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Monte Rio
Monte Rio's July 2026 forecast shows daily high temperatures ranging from 71° to 90°, with overnight lows between 49° and 55°. The average high for July is 83° with an average low of 53°. 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 Monte Rio. See also: August | September | October.