S
M
T
W
T
F
S
31
78°
45°
1
82°
49°
2
70°
48°
3
85°
46°
4
85°
50°
5
89°
52°
6
79°
46°
7
80°
49°
8
73°
51°
9
77°
47°
10
83°
51°
11
89°
54°
12
90°
52°
13
89°
51°
14
88°
50°
15
88°
51°
16
87°
52°
17
81°
49°
18
82°
52°
19
80°
52°
20
79°
51°
21
80°
52°
22
77°
49°
23
78°
50°
24
79°
49°
25
77°
50°
26
77°
51°
27
79°
53°
28
83°
53°
29
84°
52°
30
83°
53°
1
79°
52°
2
84°
53°
3
84°
51°
4
78°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Monte Rio
Monte Rio's June 2026 forecast shows daily high temperatures ranging from 73° to 90°, with overnight lows between 46° and 54°. The average high for June is 82° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Monte Rio. See also: July | August | September.
