S
M
T
W
T
F
S
26
72°
47°
27
70°
48°
28
71°
45°
29
74°
46°
30
69°
43°
1
74°
47°
2
76°
49°
3
75°
48°
4
73°
47°
5
69°
45°
6
69°
46°
7
70°
44°
8
70°
47°
9
74°
50°
10
77°
52°
11
78°
52°
12
77°
50°
13
75°
49°
14
74°
48°
15
74°
48°
16
73°
49°
17
73°
48°
18
72°
48°
19
71°
47°
20
70°
47°
21
70°
46°
22
71°
47°
23
71°
48°
24
73°
50°
25
72°
47°
26
79°
54°
27
80°
54°
28
80°
53°
29
75°
47°
30
74°
48°
31
74°
51°
1
78°
52°
2
82°
53°
3
83°
51°
4
82°
52°
5
81°
54°
6
82°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ramona
Ramona's May 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 43° and 54°. The average high for May is 74° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Ramona. See also: June | July | August.