S
M
T
W
T
F
S
26
75°
55°
27
68°
52°
28
72°
45°
29
79°
54°
30
73°
59°
1
68°
55°
2
61°
46°
3
68°
41°
4
77°
45°
5
79°
50°
6
82°
63°
7
77°
63°
8
73°
54°
9
73°
55°
10
84°
63°
11
86°
61°
12
72°
52°
13
77°
54°
14
81°
57°
15
77°
43°
16
84°
52°
17
90°
59°
18
90°
63°
19
90°
59°
20
88°
61°
21
90°
63°
22
88°
64°
23
84°
66°
24
82°
64°
25
84°
72°
26
88°
72°
27
88°
70°
28
90°
69°
29
87°
69°
30
75°
64°
31
78°
65°
1
83°
62°
2
85°
61°
3
82°
62°
4
81°
64°
5
82°
65°
6
84°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Santee State Park
Santee State Park's May 2026 forecast shows daily high temperatures ranging from 75° to 90°, with overnight lows between 61° and 69°. The average high for May is 83° 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 Santee State Park. See also: June | July | August.
