S
M
T
W
T
F
S
26
77°
58°
27
80°
55°
28
86°
52°
29
89°
54°
30
92°
59°
1
96°
60°
2
99°
64°
3
96°
66°
4
80°
63°
5
77°
59°
6
86°
54°
7
97°
67°
8
104°
66°
9
106°
64°
10
106°
68°
11
108°
71°
12
101°
69°
13
101°
68°
14
102°
67°
15
99°
65°
16
97°
66°
17
97°
66°
18
97°
67°
19
96°
64°
20
95°
62°
21
87°
59°
22
88°
58°
23
89°
59°
24
91°
64°
25
96°
65°
26
98°
66°
27
94°
62°
28
92°
63°
29
93°
63°
30
92°
64°
31
94°
69°
1
93°
69°
2
99°
68°
3
100°
68°
4
94°
64°
5
92°
64°
6
93°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Holtville
Holtville's May 2026 forecast shows daily high temperatures ranging from 87° to 108°, with overnight lows between 58° and 71°. The average high for May is 96° with an average low of 65°. 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 Holtville. See also: June | July | August.
